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