CMRP Exam / Exams / بواسطة handasatac /186 Certified Maintenance and Reliability Professional (CMRP) 1 / 186 1. The probability of a system, a component or a device to perform it's required function without failure under current operating environment for a stated period is defined as A) Reliability B) Maintainability C) Availability D) Functionality 2 / 186 2. RCM provides best results when used A) During Operation /Production B) During Design / Development C) After an asset has failed or keeps failing 3 / 186 3. A machine in the mining plant has 3 components that must work together to perform a function. If any of the components fails, the machine will not function properly. If the reliability of each component is .95, what is the reliability of this machine A) 2-5874 B) 0.95 C) 0.3167 D) 0.8574 4 / 186 4. Which of the following does not support people development A) Coaching, feedback, and encouragement B) Defining result areas, goals, and measurements C) Defining training and skills goals D) Providing feedback only when asked 5 / 186 5. EOQ improves the inventory turn ratio A) False B) True 6 / 186 6. The objective of RCM is to preserve functions A) True B) False 7 / 186 7. RCM methodology can’t be used effectively on new systems being designed A) False B) True 8 / 186 8. What does FTIR stand for A) Filter Temperature Index Recovery B) Fluid Transport Index Resistance C) Fluid Temperature Index Resistance D) Fourier Transform Infrared 9 / 186 9. What relationship should Maintenance and Reliability Teams have with customers and suppliers for optimum effectiveness A) Sales should be the only department communicating with customers B) Team members should be involved in communicating with customers and suppliers C) Purchasing should be the only communicators with suppliers D) Management should be the only communicators with customers and suppliers 10 / 186 10. The primary purpose of scheduling is to coordinate maintenance jobs for greatest utilization of the maintenance resources A) True B) False 11 / 186 11. A plot is a simple power curve of cumulative time and cumulative failures. The data, when plotted on log-log paper, usually results in straight lines. What is this plot called A) Crow AMSAA Plot B) Bathtub curve C) Reliability trend diagram D) Ishikawa diagram 12 / 186 12. What is a standard methodology to reduce or increase the frequency of a PM inspection A) American National Standards Institute (ANSI) B) Risk Based Inspection (RBI) C) American Petroleum Institute (API) D) American Society of Mechanical Engineers (ASME) 13 / 186 13. FMEA is applicable only to assets currently in use A) False B) True 14 / 186 14. Fluid flow is represented by the use of Reynolds number, which of the following represents a laminar flow A) 4000or more B) 2300or more C) Between2300 and 4000 D) 2300or less 15 / 186 15. The P–F interval can be applied to visual inspections A) False B) True 16 / 186 16. Which rolling element bearing cannot handle any thrust load A) Tapered roller bearing B) Spherical roller bearing C) Ball bearing D) Needle bearing 17 / 186 17. Time-based PMs should be less than 20% of all PMs A) False B) True 18 / 186 18. 100% of PM and PdM tasks should be developed using FMEA /RCM methodology A) True B) False 19 / 186 19. The “F” on the P–F Interval indicates that equipment is still functioning A) False B) True 20 / 186 20. Which performance result best shows a maintenance and reliability manager that the scheduled maintenance activities being implemented are effective A) Maintenance cost per unit of production has decreased B) Hours spent on unscheduled maintenance have decreased C) Total annual maintenance cost has decreased D) Production rate has increased 21 / 186 21. When the operating temperature of a hydraulic oil is at 70 degrees and it is raised by 10 degrees due faulty oil cooler, what is the impact A) Oil life remains unchanged B) Oil life is reduced by ½ C) Oil life is improved 2 times D) Oil life is reduced by 10% 22 / 186 22. What are the three most significant constraints when developing a Maintenance and Reliability organization A) Culture / Engineering / Budget B) Engineering / Human Resources / Budget C) Culture / People / Resources D) Budget / Operations / People 23 / 186 23. If a machine is run for 500 hours and five failures are observed during this period, what is the Mean Time Between Failure A) 500hours B) 2500hours C) 100hours D) 0.01hours 24 / 186 24. It should be common practice for Operators to perform PMs A) True B) False 25 / 186 25. The best method of measuring the reliability of an asset is by A) Both B) MTTR C) MTBF 26 / 186 26. The best method of measuring the Reliability of an asset is by counting downtime events A) True B) False 27 / 186 27. With series systems, reliability _______ as the number of components increases A) Increases B) Remain constant C) Is undefined D) Decreases 28 / 186 28. Out of the choices below, which is the best way to evaluate the effectiveness of a safety program A) Periodic safety audits of work processes in the field B) Solicit feedback about safety performance from employees C) Measure the number of safety slogans and bulletins posted D) Review health and safety performance as required 29 / 186 29. New incoming oil from the supplier is always clean and ready to be used A) False B) True 30 / 186 30. All maintenance personnel’s time should be covered by work orders A) True B) False 31 / 186 31. A solenoid activated valve may not shift if the A) Indicator lights are wired backwards B) Pressure is too high C) Solenoid voltage is too low D) Solenoid voltage is too high 32 / 186 32. Which one of the following is the most common qualitative test method for water in oil sample A) ASTM waste particulate test B) Crackle test C) Vacuum dehydrate D) Gravity Separation test 33 / 186 33. The primary purpose of operations involvement in the maintenance program is to A) Increase the skill levels of operations B) Increase stakeholder contributions to asset maintenance C) Improve plant (facility) housekeeping and decrease contractors D) Reduce maintenance workforce staffing and maintenance costs 34 / 186 34. The gear used to convert rotary motion into translating motion is A) Rack and pinion B) Crown gear C) Spiral bevel gear D) Worm and wheel 35 / 186 35. What is the RPN given the following score. Severity = 10, Occurrence = 10, Detection = 10, and Criticality = 5 A) 500 B) 200 C) 5000 D) 1000 36 / 186 36. What is the statistical average and the population standard deviation of the following data (3.0, 12.0, 9.0, 4.0, 2.0) A) Mean = 5.9, Standard deviation = 3.847 B) Mean = 4, Standard deviation = 3.487 C) Mean = 30, Standard deviation = 5.847 D) Mean = 6, Standard deviation = 3.847 37 / 186 37. Which of the following statements about reliability is true A) Increasing the quantity and quality of maintenance cannot improve system reliability beyond the designed standard B) Reliability of a system or equipment can be improved as a result government legislation C) Highly accelerated stress screening without design changes can improve reliability of systems D) A reliable system can be designed from unreliable components if enough redundancy is built in 38 / 186 38. When measuring the temperature of an object using a radiometric imager, which two parameters have the greatest effect on the accuracy of the temperature reading on the instrument A) Emissivity and background temperature B) Relative humidity and ambient air temperature C) Range and span D) Aperture and brightness 39 / 186 39. All the following are considered lagging maintenance key performance indicators except A) Mean time between failure B) Maintenance cost C) Mean time to repair D) Percentage of work order completed versus work order planned 40 / 186 40. Percentage overtime maintenance labor hours is calculated as A) Total overtime labor hours divided by the total scheduled maintenance labor hours, expressed as a percentage B) The total overtime labor hours divided by the total maintenance labor hours to maintain assets, expressed as a percentage C) Overtime maintenance labor hours used to maintain assets divided by the total maintenance labor hours to maintain assets, expressed as a percentage D) Scheduled overtime maintenance labor hours used to maintain assets divided by scheduled maintenance labor hours to maintain assets, expressed as a percentage 41 / 186 41. RCM team for a process plant selected a scheduled discard as part of their recommendation. This implies that the team had a clear evidence that the asset had experienced what A) Infant Mortality B) Wear Out C) Undefined failure mode D) Random failure 42 / 186 42. What is the formula for calculating availability A) MTTR/(MTTR+MTBF) B) MTBF/MTTR C) (MTBF)/1 D) MTBF/(MTBF+MTTR) 43 / 186 43. Traditional types of on-condition maintenance involve all the following except A) Vibration Analysis B) Non Destructive Testing C) Bearing replacement D) Thermography 44 / 186 44. A maintenance engineer has a list of air compressor failure modes, frequency of occurrence and the consequences of each failure mode. Which of the following tools can help to track reliability growth since the maintenance strategy has changed in the last 6 months A) Reliability trend diagram B) Pareto chart C) Crow AMSAA Plot D) Fish bone diagram 45 / 186 45. A diesel engine powering a process pump was diagnosed to have fuel dilution in the engine oil. Oil samples were taken and sent to the lab for analysis. Which of the following methods will be used by the lab analyst to confirm the fuel dilution problem A) Gas chromatography B) Infrared Spectroscopy C) Analytical Ferrography D) Viscosity test 46 / 186 46. What is the pressure exerted on a hydraulic system if a load of 2000Lbs acts on a 4in sq area of fluid A) 8000Psi B) 800Psi C) 500Psi D) 5000Psi 47 / 186 47. Most emergency work orders should be written by production/operations A) True B) False 48 / 186 48. Understanding of a P-F curve should help in optimizing PM frequency A) True B) False 49 / 186 49. The reliability block diagram for a system is shown below. What is the reliability of the system A) 0.7979 B) 0.9999 C) 0.9797 D) 0.94 50 / 186 50. The 6th S in the 6 S (also called 5 S plus) process stands for safety A) False B) True 51 / 186 51. When forming teams to address reliability issues, four stages of team development should be recognized and managed by the reliability professional. These stages in order are A) Forming/Storming/Norming/Performing B) Warming/Absorbing/Performing/Norming C) Warming/Swarming/Absorbing/Norming D) Forming/Absorbing/Storming/Performing 52 / 186 52. A simple computer consists of a processor, a bus and a memory The computer will work only if all three are functioning correctly. The probability that the processor is functioning is 0.99 that the bus is functioning 0.95, and that the memory is functioning is 0.99. What is the reliability of the computer A) 0.9767 B) 0.8935 C) 0.9311 D) 0.9835 53 / 186 53. Which of the following is considered an additive for an engine oil A) Oxidation inhibitor B) Viscosity C) Pour point D) Flash point 54 / 186 54. The biggest benefit of a Failure Modes and Effects Analysis occurs during A) Operations phase B) None of the above C) Design phase D) Maintenance phase 55 / 186 55. For maintenance planning and scheduling, the amount of time it takes to create purchase requisition, order parts and have it delivered to warehouse ready for use is called A) Mean time to delivery B) Lead time C) Vendor management time D) Parts availability 56 / 186 56. For a world class maintenance planning and scheduling, what percentage of man-hours is allocated to breakdown or emergency work A) 60% - 50% B) 15% - 10% C) 90% - 85% D) 5% - 1% 57 / 186 57. Which of the following metrics definitions is not accurate A) Backlog - how long it takes to fix broken equipment B) Uptime -% of time you run producing quality product at design rate C) MTBF - a measure or indicator of equipment life expectancy D) Schedule compliance - how often mechanics are pulled off their current work to another task 58 / 186 58. During maintenance planning and scheduling, the planner must consider all the following except A) The production team on schedule B) The technician skill level required for the task C) Vacation schedule for technicians D) Impact on production when equipment is taken down 59 / 186 59. Of the following, what is the best method for measuring employee skills and training? A) Ask employees to keep a training notebook B) Keep records of all formal training courses taken C) Maintain a skills inventory and tracking database D) Have employees complete annual self-evaluations 60 / 186 60. Which of the following is not a method of water removal from a system A) Vacuum Dehydration B) Tank Breather C) Centrifuge D) Gravity Setting 61 / 186 61. Leading KPIs predict results A) True B) False 62 / 186 62. A rule of thumb is that, on average, an experienced planner can plan work for how many craft people A) 15 B) 25or more C) 5 63 / 186 63. What is the formula for Risk Priority Number (RPN) A) Occurrence x Priority x Index Number B) Severity x Occurrence x Detection C) Risk x Priority x Number of Units D) Revolutions x Pitch distance x Number of units 64 / 186 64. The failure rate of a component / asset can be calculated by knowing A) MTTR B) Uptime C) MTBF D) Number of failures 65 / 186 65. A large manufacturing company installed some asset monitoring device on some large motors that were deemed critical equipment. The monitoring devices provide engineering with vibration data, acoustic data, as well as operational performance data. What asset management strategy has the company selected for the motors A) PM (Preventive Maintenance/OBM Operator Based Maintenance) B) OBM (Operational Based Maintenance/CM (Corrective Maintenance) C) CBM (Condition Based Maintenance/CM (Corrective Maintenance) D) CBM (Conditioned Based Maintenance)/PDM (Predictive Maintenance) 66 / 186 66. What is the evolution of maintenance in accordance to time(I) Corrective Maintenance(II) Predictive Maintenance(III) Preventive Maintenance(IV) Proactive Maintenance A) IV, III, II, I B) I, IV, III, II C) I, III, IV, II D) I, III, II, IV 67 / 186 67. In 'which of the following circumstances might it be appropriate to conduct a Failure Modes and Effects Analysis A) The Production Department has added a third production shift to meet increased sales. The new shift will be staffed mostly of new employees whose training consists of two weeks working with the day shift. Adding the third shift also increases equipment operating hours by 50% B) Corporate downsizing has reduced the staff of the Maintenance Department to two Reliability Technicians and two foremen for each craft (trade). These foremen will now manage contracted maintenance crews for all plant (facility) maintenance activities C) A custom-made production machine, critical to meeting production requirements, has failed for a third time in six months. The Maintenance Department has carefully inspected the machine after each failure, and each failure has been attributed to a loss of lubrication of the machine's bearings D) The Maintenance Department has assumed responsibility for maintenance of the equipment in a small production line acquired after buyout of a smaller competitor. The competitor uses equipment that is different from the company's existing equipment 68 / 186 68. Reliability and Maintainability can only be designed in A) False B) True 69 / 186 69. A series system made of 3 components functions good only if all 3 are working properly, if each component has a reliability of R, what is the system reliability A) R x R x R B) 3R C) [3/(R x R x R)]-1 D) 1-3R 70 / 186 70. Operations and Maintenance must work as a team to achieve improved OEE A) True B) False 71 / 186 71. The maintenance manager of a manufacturing plant is not happy with his asset performance. He wants to introduce an asset reliability process to improve the situation. Which one of these steps must be taken first A) Prioritize assets by consequence/relative risk B) Identify which assets contribute to business goals C) Align reliability strategy with business goals D) Establish asset performance requirements 72 / 186 72. What is the beta ratio of a filter media that has a particles size of 50,000ppm at upstream and 500 downstream A) 100 B) 0.1 C) 1000 D) 0.01 73 / 186 73. What is the statistical average and the population standard deviation of the following series of numbers? 1.30, 1.25, 1.50, 1.12, 1.35, 1.38 A) Statistical average = 1.50; standard deviation= 0.25 B) Statistical average = 1.32; standard deviation= 1.50 C) Statistical average = 1.32; standard deviation= 0.128 D) Statistical average = 0.128: standard deviation= 1.32 74 / 186 74. Which rolling element bearing can't handle any thrust load A) Tapered Roller B) Spherical Roller C) Ball D) Needle 75 / 186 75. PM schedule compliance should be equal or greater than 95% A) True B) False 76 / 186 76. A maintenance engineer has a list of pump failure modes and the frequency of occurrence. Which of the following diagrams can help prioritize maintenance actions A) Ishikawa diagram B) Bathtub Curve C) Pareto Chart D) Reliability trend diagram 77 / 186 77. A concept, a methodology or a way of working such that eliminating waste is embedded into business processes is called A) Value Stream Mapping B) SMED methodology C) MUDA concept D) Lean Methodology 78 / 186 78. Which one of the lubrication delivery method is not a gravity type A) Constant level oilers B) Drip feed oilers C) Deep feed oilers D) Wick feed oilers 79 / 186 79. Availability is a function of A) Uptime B) Uptime and downtime C) MTBF D) MTTR 80 / 186 80. What is the statistical mode and the median of the following data (3.0, 12.0, 9.0, 4.0, 2.0, 4.0, 4.0) A) Mode = 4, Median = 4.5 B) Mode = 4, Median = 4 C) Mode = 3, Median = 9 D) Mode = 4, Median = 8 81 / 186 81. The inventory turnover ratio for MRO store should be A) Over 6 B) Less than 2 C) Between 4–6 82 / 186 82. A Weight loaded accumulator will A) Stay at same pressure as fluid discharges B) Have an unstable/erratic pressure as accumulator discharges fluid C) Lose pressure as fluid discharges D) Gain pressure as fluid discharges 83 / 186 83. The 10% rule of PM is applied on critical assets A) False B) True 84 / 186 84. Key performance indicators can be classified as leading or lagging indicators. An example of a lagging indicator for manufacturing is A) Operating Costs B) Mean Time Between Failures (MTBF) C) Overall Equipment Effectiveness D) Mean Time to Repair (MTTR) 85 / 186 85. When training maintenance workers, it is best to first A) Give classes to all workers on basic skills B) List all the tasks the workers need to perform C) Review the list of classes already taken by the workers D) Check the budget to set how much to spend per worker 86 / 186 86. Properly training the M&R workforce can increase asset and plant availability A) False B) True 87 / 186 87. When initiating change to an existing process or program, the best practice is to A) Involve key personnel in planning and development of new process or program directives, train affected personnel, and then implement before a specified compliance date B) Issue a directive on the revised process or program, start it and require compliance by a specific date, then begin training as soon as possible thereafter C) Announce the new process or program, issue a draft directive for review and comment. Then issue the final with a specific compliance date, and employee review comments and recommendations incorporated to the maximum extent possible to get a buy-in D) Make organizational meeting to plan, train for, and implement change mandatory, but make participation voluntary to avoid alienating employees who dislike change 88 / 186 88. Which of the following statements about reliability is true A) Increasing the amount of maintenance cannot improve reliability above the level established by the design of a system B) Reliability of a system or equipment can be improved as a result of testing C) A reliable system can be designed from unreliable components if enough redundancy is used D) Reliability of a system or equipment can be improved as a result of administration or legislation 89 / 186 89. The maintenance cost of a manufacturing plant is considered a ______ of performance A) lagging indicator B) leading indicator C) minor indicator D) true indicator 90 / 186 90. Which of the following is used to perform analysis on reliability growth A) Crow AMSAA Diagram B) Fault tree analysis diagram C) Fault Tree Analysis Diagram D) Root cause analysis diagram 91 / 186 91. What is the inability of an item or system to meet the predefined performance standard established by owner or used A) Reliability B) Maintainability C) Turnaround/shut down D) Functional failure 92 / 186 92. The temperature at which grease passes from a semi-sold to liquid state under ASTM D2265 condition is called A) Separation point B) Melting point C) Dropping point D) Liquidation Point 93 / 186 93. Lagging KPIs are the results of a process A) True B) False 94 / 186 94. XYZ company purchased a pump and defined its performance in the current operating contest as 250 GPM at 60 Psi for 18hrs a day. If after two months, an operator finds that the pump is delivering 100 GPM at 30 Psi. How will this pump be described to the maintenance manager A) Pump is potentially failing B) Pump has not failed yet, it is still running C) Pump has functionally failed D) Pump has catastrophically failed 95 / 186 95. As the maintenance manager for a manufacturing company, you have conducted a study that reveals the mechanics, on average, spend four hours per ten-hour shift on wrench time (tool turning time). Your first action should be A) Investigate the barriers causing loss of wrench time (tool turning time) B) Inform management that four hours wrench time (tool turning time) per day is considered good C) Improve planning and scheduling to increase wrench time (tool turning time) D) Encourage your planners to develop more aggressive job estimates 96 / 186 96. PM compliance is a _________ KPI A) Lagging or Leading B) Lagging C) Leading 97 / 186 97. Best Practices are practices that are defined and applied by an organization to improve their operation. These practices may or may not be proven, but results are found to be acceptable A) False B) True 98 / 186 98. All these gears are used to connect two parallel shafts except A) Double helical gears B) Bevel gears C) Helical gear D) Spur gear 99 / 186 99. Quality is one key component of OEE A) True B) False 100 / 186 100. Reliability can be improved easily after a maintenance plan has been put into operation A) True B) False 101 / 186 101. In grease storage, what is the term used to describe the oil separation from the thickener A) Bleeding B) Separation point C) Oil wash out D) Dropping point 102 / 186 102. The ISO cleanliness code of an engine oil is given as 18/16/13, the code "16' represents A) Particles lower than 6 microns B) Particles lower than 16 microns C) Particles greater than 16 microns D) Particles greater than 6 microns 103 / 186 103. What is a statement of principles used to achieve maintenance objectives and guide maintenance management decision making A) Procurement management policy B) Reliability goal C) Maintenance Policy D) Corporate vision 104 / 186 104. In a highly loaded gear application, which lubrication condition is predominant for adhesive wear to occur A) Elastohydrodynamic B) Mixed film C) Full film D) Boundary 105 / 186 105. Maintainability is measured by PM schedule compliance A) False B) True 106 / 186 106. What percentage of your assets should be ranked critical based on the risk to business A) over 50% B) 20-50% C) Less than 20% 107 / 186 107. All the following are desired outcome of reliability improvement process except A) Increasing equipment uptime to as high as possible B) Reduce MTTR to as low as possible C) Reducing wrench time (tool time) to as low as practicable D) Increase MTBF to as high as possible 108 / 186 108. A spring-loaded accumulator will A) Lose pressure as fluid discharges B) Gain pressure as fluid discharges C) None of the above D) A spring-loaded accumulator will 109 / 186 109. Name 2 Hydraulic system pressure control valves that typically produce heat in operation A) Counterbalance and unloading B) Relief and unloading C) Sequence and Counter Balance valves D) Relief and Reducing Valves 110 / 186 110. A multi-grade oil is designated as 10W-40, what does the W stand for A) Winter B) Weight C) Weather D) None of the above 111 / 186 111. A ______ is used to protect components in a fixed displacement pump circuit A) Relief valve B) Stop valve C) Reducing valve D) Counterbalance valve 112 / 186 112. The task of developing procedures and making work orders for maintenance work activities including identifying resource requirements, safety precautions and special work instructions required to execute the work will be performed by a A) Scheduler B) Planner C) Maintenance team leader D) Technician 113 / 186 113. Which one of the following is not a major test method for a membrane filter A) Bubble point test B) Pressure Leak Test C) Pressure Hold Test D) Forward flow test 114 / 186 114. a Team tasked to perform FMEA on a plant equipment will be using RPN to rank the failure modes. What is the meaning of RPN A) Risk Priority Number B) Records Preparation Number C) Revolutions per Note D) Risk Preventive Number 115 / 186 115. A systematic planning and control of a physical resource throughout its life, including specification, design, construction, operation, maintenance and disposal when no longer needed is a definition for A) Life Cycle Analysis B) Maintenance Management C) Reliability Management D) Asset Management 116 / 186 116. An equipment maintenance strategy where there is no routine maintenance. Tasks performed are only corrective in nature and only done when the machine has failed is called A) Preventive maintenance strategy B) Predictive maintenance strategy C) Run-to-failure strategy D) Condition based maintenance strategy 117 / 186 117. Most maintenance departments are faced with the following challenges except A) Lack of equipment to maintain B) Wrench time is less than 25% C) Lack of effective planning D) Lack of effective scheduling 118 / 186 118. An accumulator in a hydraulic circuit is used to A) Make reserve tank fill up quicker B) Make up for minor system leaks C) Make a valve shift quicker D) Make a pump run faster 119 / 186 119. New oils supplied to the plant are usually _______ OEM recommended oil cleanliness for the plant equipment A) Same as B) Worse than C) Better Than D) None of the above 120 / 186 120. The weight per unit volume of a liquid at a standard temperature and pressure is called A) None of the above B) Mass density C) Specific gravity D) Specific weight 121 / 186 121. A reliability statement should contain four elements. Identify these elements A) Equipment, production, maintainability, time B) Policy, procedure, people, safety C) Criticality, performance, environment, probability D) Probability, function, time, condition 122 / 186 122. TPM is a type of maintenance performed by the operators A) False B) True 123 / 186 123. An MRO storeroom shouldn’t be stocking parts for emergencies A) True B) False 124 / 186 124. The kinematic viscosity is the A) Ratio of density of the liquid to the absolute viscosity B) Product of absolute viscosity and mass of the liquid C) Product of absolute viscosity and density of the liquid D) Ratio of absolute viscosity to the density of the liquid 125 / 186 125. What is the term used to describe a fluids internal resistance to flow A) Coefficient of resistance B) Friction C) Viscosity D) Pour point 126 / 186 126. Name two hydraulic system pressure control valve that typically do NOT produce heat in operation A) Unloading and Sequence valves B) Reducing and Counterbalance valves C) Relief and unloading valves D) Counterbalance and Unloading valves 127 / 186 127. Which one of the following is generally true A) Reliability Centered Maintenance can be applied on capital projects in the pre-construction stage to determine the maintenance plan B) Construction contractors are usually equally skilled at performing all maintenance tasks C) Most mechanics can easily alternate between doing capital project work and doing equipment diagnosis and repair work D) Maintenance is often reduced through project designs that provide In-place spares for all rotating equipment and heat exchangers 128 / 186 128. Vibration monitoring can detect uniform impeller wear A) False B) True 129 / 186 129. Karl Fischer’s Coulometric Titration Method is an effective technique to determine the metallic content (in PPM) in an oil sample A) True B) False 130 / 186 130. A maintenance team observe that a new gear box that was installed recently has failed. Further investigation revealed that the gear teeth were misaligned during installation. What category will this failure mode fall under on the bath-tube curve A) Random Failure B) Infant Mortality Failure C) Undetermined because more data is required D) Wear Out Failure 131 / 186 131. Which of the following is not a primary objective for implementing a Planning process A) Mesh the production schedule and the maintenance schedule B) Prevent delays during the maintenance process C) Reduce reactive work 132 / 186 132. When a pump has angular misalignment, the pump A) and motor shafts are still parallel B) and motor shafts don't align in any plane C) and motor shafts are too far apart D) and motor shafts are touching 133 / 186 133. The maintenance manager of a mining company has all the following as his deliverables except A) Increasing MTBF B) Reducing equipment downtime due to parts unavailability C) Increasing availability D) Increasing MTTR 134 / 186 134. The maintenance manager of a mining company recently formed a reliability team to improve equipment performance. The team members don't seem to get along well. Team members stick to their own style of working and challenge authority whenever they get the opportunity. Some team members are even questioning the team's goals. What developmental stage is the reliability team A) Forming B) Norming C) Performing D) Storming 135 / 186 135. Weibull (life data) analysis is primarily used for A) On time ratio calculations B) Life-cycle cost analysis C) Probability of failure determination D) Maintainability analysis 136 / 186 136. What are the three elements that form the fire triangle A) Fuel, oxygen and ignition source B) Fuel, air and spark C) Gasoline, air and heat D) Diesel, air and heat 137 / 186 137. A technician could not find a replacement OEM filter for a pump. He orders an aftermarket filter with the same micron rating. The two-filter media with same micron rating will have A) Different efficiencies if their beta ratios differ B) High efficiency if the make and model is from OEM C) The same beta ratio because they both have the same micron rating D) The same efficiency only if the filter's shape and size are the same 138 / 186 138. Which diagram is illustrated in the picture below A) Fishbone Diagram B) Root Cause Analysis Diagram C) Fault Tree Analysis Diagram D) Crow AMSAA Diagram 139 / 186 139. Maintenance cost will decrease as reliability increases A) False B) True 140 / 186 140. Creating a reliability culture from a reactive mode can be accomplished in a short period of time if enough resources are made available A) True B) False 141 / 186 141. How soon we can restore an asset is measured by A) None of the above B) MTBMA C) MTTR D) MTBF 142 / 186 142. From the following list, which is not a critical structural element of a strategic plan for maintenance and reliability A) Benefits available through implementation B) Current levels of performance C) Vision of the future state D) Historical direction of the business 143 / 186 143. Which of the following methods is used to perform elemental analysis on oil A) Rotating disc spectroscopy B) Inductively coupled plasma C) Gas Chromatography D) All the above 144 / 186 144. What is it called when during mounting, the internal clearances of tapered roller bearings are removed A) Preload B) Slack adjustment C) Interference fit D) Cone/Cup fit 145 / 186 145. For a reliability business process, what is the meaning of F.R.A.C.A.S A) Fault Reports, Analysis and Correction Activities system B) Failure Repairs, Corrective Maintenance Activities and C) Functional Rating and Counter Action Systems D) Failure Reporting, Analysis and Corrective Actions System 146 / 186 146. A fault tree has three input events to an OR gate. This means that A) One input failure is enough to cause system failure B) Two out of three events must take place for system to fail C) All three inputs must fail for system to fail D) If all the input events occur, then the output will not occur 147 / 186 147. In the life cycle of a piece of equipment, when is the best time to work on reducing corrective maintenance time A) Immediately equipment is delivered to site B) After a major catastrophic failure C) During purchasing and procurement D) During initial design phase 148 / 186 148. RCM stands for A) Reliability Centered Maintenance B) Regimented Centers of Maintenance C) Reliable Centers of Maintenance (uses best practices) 149 / 186 149. For a parallel system, the rate of increase in reliability with each additional component decreases as the number of components A) Exceed more than three B) Remain the same for prolonged periods C) Increase D) decrease 150 / 186 150. What is the use of RPN during failure mode and effect analysis A) To help improve technician skills B) To help improve technician skills C) To determine if the reliability policy matches corporate vision D) To help prioritize corrective actions 151 / 186 151. When the time period between the testing which detects a failure, for failures with significant economic consequences, and when life expectancy is highly variable, a good approach is A) Time based rebuild or change out B) On-line condition monitoring C) Structured preventive maintenance D) More frequent periodic predictive testing 152 / 186 152. _____In a vendor managed inventory system, parts replenishment is conducted by A) Customer's warehouse personnel B) Supplier representative C) Maintenance planner D) Maintenance technician 153 / 186 153. The below diagram is known as A) Fault Tree Analysis Diagram B) Ishikawa Diagram C) Pareto Diagram D) Weibull Chart 154 / 186 154. Which phase of the asset life cycle has the highest cost A) O & M B) Design C) Acquisition 155 / 186 155. MTBF is measured by operating time divided by the number of failures of an asset A) False B) True 156 / 186 156. The primary function of ________ is to coordinate the availability of assets to be maintained with all required resources; this include labor, material and services required to execute maintenance work A) Execution B) Turnaround C) Planning D) Scheduling 157 / 186 157. A farmer in a rural area had problems with his tractor tires. He called a maintenance personnel to replace two front tires that had gone flat overnight with two used ones he had in storage. He had determined that the two rear tires had been recently replaced with new ones. If reliability of the front tires were 0.97 each and that of the rear tires were 0.99 each. What is the reliability of the system of tractor tires A) 0.9222 B) 0.9999999991 C) 0.9409 D) 0.9314 158 / 186 158. Understanding the known and likely causes of failures can help design a maintenance strategy for an asset to prevent or predict failure A) True B) False 159 / 186 159. Most of the maintenance costs become fixed A) During design B) During operations C) After installation 160 / 186 160. What is the meaning of FTA during equipment reliability analysis A) Fourier transformer analysis B) Fault tree analysis C) Failure Troubleshooting of Assets D) Failure Tree Analytics 161 / 186 161. Which device is used to determine the mix ratio of water-soluble coolants A) Refractometer B) Refractometer C) Hydrometer D) Hygrometer 162 / 186 162. A maintenance activity that is planned and carried out in order to prevent occurrence of failure that leads to loss of production is defined as A) Preventive Maintenance B) Pro-active Maintenance C) Break-Down Maintenance D) Predictive Maintenance 163 / 186 163. Which of the following most effectively makes up the members of a Manufacturing Team A) Senior Management/Production/Human Resources B) Sales/Customer/Production/Supplier/Senior Management C) Production/Maintenance/Supplier/Engineering D) Maintenance/Engineering/Production/Human Resources 164 / 186 164. Utilization of assets in a world-class facility should be about 85% A) True B) False 165 / 186 165. A tool that produces a diagram that displays various conditions that could cause a particular failure is A) FMECA B) FTA C) FMEA D) DFMEA 166 / 186 166. Operations notified maintenance department about an unusual bearing noise when a process water pump runs for more than 8 hours continuously. After a regular PM was completed and production had started, it was noticed that bearing noise was not fixed. Amongst the following, which one is the most credible reason for this occurrence A) Planning department was not informed to create work order to address the bearing noise B) Maintenance technician failed to notice and diagnose the bearing noise due to lack of skills C) The operations manager failed to notify the maintenance manager about the issue of bearing noise D) Operations were mounting too much pressure so there was no time to complete the work 167 / 186 167. For a world Class Maintenance, what is an ideal percentage of planned maintenance work A) 25% B) 90% C) 50% D) 10% 168 / 186 168. When considering seals to maintain a lubricant within a vessel, which failure mechanism is likely caused by extreme temperature A) Seal distortion B) Seal wear C) Elastic deformation D) Seal surface damage 169 / 186 169. Work identification, planning and scheduling in a reliability business process is a _________ key performance indicator A) Normal B) Lagging C) Leading D) Planner's 170 / 186 170. Cavitation is caused by A) Too little fluid at the pump outlet B) Too much fluid volume at the pump inlet C) Too little fluid volume at the pump inlet D) Too much fluid at the pump outlet 171 / 186 171. 100% of maintenance personnel’s (craft) time should be scheduled A) False B) True 172 / 186 172. What is the most important consideration when changing lubricant supplier A) Consult the most experienced mechanic on site B) Conduct lube audit C) Conduct compatibility studies D) Carry out elemental analysis on all oils 173 / 186 173. What percentage of maintenance work should be proactive A) 50% B) 100% C) 85%or more 174 / 186 174. Cavitation in a process pump can be caused by all the following except A) Clogged inlet strainer B) None of the above C) Fluid viscosity is too high D) Inlet strainer is too small for the application 175 / 186 175. Best practices would indicate that 90% or more of all maintenance work is planned A) False B) True 176 / 186 176. A strainer installed at the inlet of a hydraulic pump is rated by A) Mesh size B) Micron rating C) All the above D) Beta ratio 177 / 186 177. A system was the structure has a built-in redundancy. Components are backed up, and the system will work even if some of the components fail to function is considered a A) Parallel system B) Complex system C) Series system D) Combination of both parallel and series system 178 / 186 178. What is the recommended methodology to reduce or increase the frequency of a PM inspection A) Use Risk Based Inspection (RBI) B) Use best practices from other industries C) Use American National Standards Institute (ANSI) D) Use American Petroleum Institute (API) 179 / 186 179. A hydraulic pump produces A) Pressure in pounds per square inch (Psi) B) Flow in gallons per minute (GPM) C) All the above D) None of the above 180 / 186 180. A skills audit is undertaken to A) Help an organization understand skills it requires B) Develop employee training plans for the next year C) Benchmark skills against other companies D) Help an organization understand skills in its industry 181 / 186 181. An IR thermography window is an effective method to satisfy NFPA 70E arc flash requirements A) False B) True 182 / 186 182. Using predictive technologies, approximately what percent of failures in rotating equipment can be found A) 20% B) 60% C) 80% D) 40% 183 / 186 183. An auxiliary pump Diesel engine oil sample results indicate 60ppm of iron from the lab. OEM recommendation for wear is 30ppm of iron. What is the next step A) Replace the engine due to impending failure B) Change out oil and filter immediately and observe the trend C) It is normal, keep machine running to avoid production loss D) It may be a bad sample, just wait for the next sample 184 / 186 184. What is the most common failure mechanism for a ball bearing service A) Install errors B) Storage and handling error C) Poor lubrication D) Excessive loading 185 / 186 185. Which fluid has the best heat transfer properties A) Mineral oil B) Synthetic oil C) Liquid nitrogen D) Water 186 / 186 186. With the exception of emergency work orders, Planning and Scheduling will benefit all maintenance work A) True B) False Your score is Restart quiz
