Test Questions for Introduction to Industrial Maintenance IMA 100: 3 Hours 1. Machine reliability can always be improved with additional resources. True False 2-7. Match the following terms to their definitions. 2. D___ Predictive A. Maintenance activity to correct inoperable equipment. 3. F___ Overhaul B. Maintenance activity to address machine deficiencies. 4. A___ Breakdown C. Maintenance activities that typically replace parts designed to wear prior to affecting machine performance. 5. B___ Corrective D. Maintenance activities that involve the use of advanced detection technologies. 6. E___ Compliance E. Examples would include maintenance activities centered around federally regulated processes. 7. C___ Preventative F. Complete machine rebuild. 8. What are the typical roles of an organization’s CMMS? A. Spare parts inventory, management guidelines, work request generation, and material safety. B. Spare parts inventory, maintenance history, resource leveling, and work request generation. C. Management guidelines, material safety, time cards, and company operating procedures. D. All of the above. E. None of the above. 9. The metric system is based on multiples of 10. 10. Most machinery made in the United States is based on the standard system. True False 11. One inch is equal to: A. 2.54 mm. B. 25.4 cm. C. 25.4 mm. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. True False 1 D. .254 cm. 12. One thousands of an inch = 0.001___ (numerically). 13. At sea level, 40 PSIG is equal to 54.7_________ PSIA. 14. OSHA stands for ____________ ___________ ______________ _____________. (Occupational Safety and Health Administration) 15. PPE stands for ____________ _____________ _____________. (Personal Protective Equipment) 16. MSDS stands for __________ _____________ ____________ __________(Material Safety Data Sheet) 17-19. Three energy sources LOTOTO is meant to isolate. 17. 18. 19. ______________________ (Electrical) ______________________ (Pneumatic) ______________________ (Mechanical) 20. How much current is considered a lethal amount? A. .015 amps. B. .001 amps. C. .10 amps. D. 0.15 amps. 21. The section of a typical MSDS that would contain PPE recommendations is ________________ _____________ _____________ ___________ (Section 6, Health Hazard Data) 22-25.Match each type of tool with an example. 22. Precision measurement tool B___ A. Inches, centimeters, millimeters 23. Gauges D___ B. Thousandths, mils, microns 24. Standard measurement tool A___ C. True, false, on, off,1,0 25. Digital measurement tool C___ D. Inches of water, inches of mercury, bars 26. “Cheater” bars are acceptable additions when using a torque wrench. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 2 27. How many flats or points does a standard impact socket have? A. Four. B. Six. C. Eight. D. Five. 28. In a confined space, what is the acceptable level of oxygen that must be present to sustain human life? A. 20.5%. B. 25%. C. 19.5%. D. 80%. 29. A substance with a PH of 3 is a stronger acid that that with a PH of 7. True False 30. What does the “20” mean in a ¼”20 bolt? A. The material used. B. The amount of torque the bolt can withstand. C. The bolt’s diameter. D. The pitch of inch. 31. Fine thread bolts have a lower pitch that course thread bolts. True False 32. To determine the grade of a bolt with the dash system, you must add ____ to the number of dashes. A. 8. B. 5. C. 3. D. 2. E. 1. 33. This type of nut typically has a smaller depth than a standard nut and is used to lock another nut in place. A. Jam nut. B. Nylock nut. C. Button nut. D. Cap nut. 34. “Helicoil” kits are designed to repair threads in nuts. 35. UV rays typically will deteriorate white cable ties more than black ones. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. True False 3 36. What are some advantages of six point sockets opposed to twelve point sockets? A. Thicker wall, more flats. B. Thicker wall, tighter grip on the head. C. Thinner wall, fits into hard to reach areas. D. Thicker wall, shorter throw with ratchet head. E. None of the above. 37-48. Match each tool to its description. 37. G___ Clevis A. Can include Phillips and Standard. 38. C___ Angle grinder B. Used to apply a measured amount of force. 39. K___ Milling machine C. Ring test is recommended for replacement wheels. 40. I___Impact wrench D. Advantages include speed and versatility opposed to combination wrenches. 41. B___ Torque wrench E. Sometimes used for bearing installation. 42. L__ Lathe F. Used for creating holes in harder material. 43. H___ Strap wrench G. Item used in rigging operations. 44. J___ DMM H. Used to tighten large or non-standard items. 45. F___ Hammer Drill I. Hammering action used to increase applied torque to fastener. 46. E___ Arbor Press J. Electrical tester. 47. D___ Ratchet K. Used to machine flat material. 48. A___Screwdriver L. Used to machine round material. 49. Name the item that should be inspected on a power tool before use? A. Electrical cord. B. Nameplate identification. C. Electrical plug. D. Lock nut. E. All of the above. F. A & C. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 4 G. 50. A & B. A double insulated power tool does not require a three-prong grounded plug. True False 51. “UL” is a common marking on electrical items. What does it stand for? A. Underwater liability. B. Universal listing. C. Underwriters laboratories. D. Universal laboratories. 52. In the event of a ground fault on a non double insulated power tool, the path the current will travel is through the neutral conductor. True False 53. Do not use _____ on nuts and bolts unless the fastener is already damaged or rounded. A. Screwdriver. B. Flashlight. C. Vice grips. D. Hacksaw. E. Combination wrench. 54. Removing the guard that is on a right angle grinder increases the risk of injury? True False 55. On a grinding wheel, a ring test is designed to verify that the wheel is out of round. True False 56. Safety glasses do not need to be worn when operating a hand drill. True False 57. When operating a drill press, you should not wear ___________. (gloves) 58. Compressed air is a common medium for valve control. True False 59. Solenoids are used to convert __electrical____ energy to ____mechanical___ motion. 60. A pressure vessel nameplate will contain the following: A. Color of vessel. B. Year of Manufacture. C. Maximum working pressure. D. Three ways. E. A & C. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 5 F. All of the above. 61. A gear pump is considered a centrifugal type pump. True False 62. Cavitation in a centrifugal pump can be caused by: A. Low speed. B. Air in the discharge. C. Bearing defects. D. Air in the suction. E. All of the above. 63. A positive displacement pump is used to compress liquids. True False 64. Select the pump that is commonly used in industrial applications. A. Acceleration. B. Centrifugal. C. Vertical. D. Gear. E. Velocity. F. Reciprocal. G. Constant motion. H. A, C & F. I. B, D, & F. J. E, F, & G 65. Positive displacement pumps are better suited than other pump for high viscosity type materials. True False 66. Schedule 80 pipe has a thicker wall than the schedule 40 pipe. True False 67. Pipe size is determined by the inner diameter of the pipe. True False 68. Pascal’s Law states that at constant temperature, the absolute pressure of a gas is inversely proportionate to its volume. True False 69. Tubing size is determined by the inner diameter of the tubing. True False 70. Pipe and tubing sizes are found on a schematic diagram. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 6 71. PVC pipe maximum working pressure is commonly printed on the pipe. True False 72. Typical Methods of power transmission are: A. Chain, band, belt. B. Gear, lobe, electrical. C. Belt, gear, liquid. D. Chain, gear, belt. 73. Proper tension of an installed belt can be indicated by the amount of __deflection______ force and distance. 74. An over-tensioned belt can contribute to increased bearing failures. True False 75. A __gear___ is a toothed wheel or disk used to transmit mechanical power from one shaft to another through the meshing action of teeth. 76. ___Pitch___ diameter is the point at which gears transfer power. 77. In a system with a driver gear diameter of 2 inches and a driven gear diameter of 4 inches, and a given input speed of 10RPM, what is the output shaft speed? A. 10 RPM. B. 20 RPM C. 5 RPM. D. 30 RPM. 78. There are ten intermeshing gears. If the first gear in the system is turning counter clockwise, the tenth gear turns __clockwise____. 79. A seal ____________________. A. Reduces internal contamination. B. Prevents leakage of the system. C. Supports outer diameter of input shaft. D. Prevents buildup of static electricity. 80. Two function of a seal are _____exclusion____ and ___retention____. 81. __Lapping___ is the process in which a mechanical seal face can be resurfaced. 82. Journal bearings typically contain needles or rolling elements. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 7 83. The two primary loads that a bearing will experience are _____radial___ and ____axial___. List three reasons why a bearing might fail. 84. _______________________ 85. _______________________ 86. _______________________ High Temperature, Moisture, Improper lubrication, Contamination, Misalignment, Electrical Current Flow through Bearing, Overloading, and Excessive Thrust. 87. Bearing that have shields cannot be converted for use as a greased bearing. True False 88. How would you expand the bearing to prepare for installation? A. Inductive heater. B. Cutting torch. C. Hair dryer. D. Oil bath. E. Both A & D. F. All of the above. 89. ____Couplings_____ are designed to connect two linear shafts together for power transmission. 90. In a thrust bearing, the cup is also known as the ____outer____ race. Match the terms with the appropriate definitions or applications. 91. D___ Semi-solid A. A substance that reduces friction by providing a smooth surface of film over parts that move against each other. 92. F.___ Lubricants made from petroleum of synthetic materials B. The internal friction of a lubricant caused by molecular attraction. 93. A___ Lubricant C. Any compound containing mostly hydrogen and carbon. 94. C___ Hydrocarbon D. A gel like substance that has the characteristics of both a solid and a liquid. 95. B.___ Viscosity E. Food grade lubricants. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 8 96. E. Lubricants made from F. Most commonly used in industry. animal or vegetable oils 97. ____Additives____ are designed to improve the properties of lubricants. 98. Grease has a lower viscosity than oil. 99. ISO stands for: A. International Suppliers Organization. B. Industrial Supplier Organization. C. Industrial Safety Organization. D. International Standards Organization. True False Three forms that lubricants come in are: 100. ________________ (solid) 101. ________________ (semi-solid) 102. ________________ (liquid or gas) 103. Imbalanced machines can contribute to which of the following: A. Bearing failure. B. Shorten Machine life. C. Increased efficiency. D. Lower cost E. A & B. F. All of the above. 104. There is no need to balance an assembly if the pieces are balanced separately. True False 105. Material build-up on rotating parts can increase the unbalance of the part. True False 106. An unbalanced machine part will be more evident at ___higher____ rpm. 107. 108. 109. Identify the causes of unbalance in a rotating machine part: _B__ A. Failing bearings. B. Bent shaft. _D__ C. Insufficient lubrication. D. Contaminants build-up. _E__ E. Manufacturing defects. F. Excessive heat. G. Looseness. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 9 H. Missing fasteners 110. ___Static___ balancing is in a single plane, where as ____dynamic__ balancing deals with multiple planes. 111. Select the types of misalignment. A. Offset B. Elliptical. C. Vector. D. Non-parallel. E. Soft foot. F. Angular. G. Perpendicular. H. All of the above. I. None of the above. J. D, E, & F. K. A, D, & F. 112. ___Shims____ are used to correct soft foot and adjust the height of a machine. 113. A slightly misaligned V-belt will not affect sheave wear. True False 114. When aligning a pump/motor system, the ___pump___ is usually stationary, and the ___motor___ is movable. Match the terms with the appropriate use. 115. __B_ Lubrication Analysis A. Heat detection. 116. __C_ Ultrasound B. Oil quality. 117. __D_ Vibration C. Useful for finding air leaks. 118. __A_ Infrared D. Waveform analysis. 119. ___Preventative___ maintenance is intended to reduce the occurrence of failures, where ___predictive___ maintenance is for the early detection of failures. 120. The higher the viscosity, the thicker the lubricant. True False 121. Because of the difference in specific gravity, oil will float on water. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 10 122. “Milky” looking oil is typically a sign of what kind of contamination? A. Grease. B. Oxidation. C. Water. D. Additive depletion. E. A & C. F. All of the above. G. None of the above. 123. Synthetic lubricants are typically derived from petroleum? True False 124. Select a defect that vibration analysis can find. A. Bearing defect. B. Balance defect. C. Alignment defect. D. All of the above. E. None of the above. 125. ___Baseline__ readings are typically taken with new equipment to establish a starting point for creating a vibration history for trending. 126. What defect would be evident visually without the use of infrared (IR) analysis? A. Loose electrical connections. B. Corrosion on conductors. C. Coupling misalignment. D. Bearing defects. E. Unbalance. F. Lubricant quality. G. Low voltage. H. A through D. I. D through G. J. All of the above 127. Ultrasound frequencies are below that of human hearing. True False 128. Ultrasound technology can be used to find which of the following defects: A. Bearing defects. B. Stem trap defects. C. Pipeline leakage. D. Pipe wall thickness. E. Static head pressure. F. Hydraulic over-pressure. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 11 G. H. I. A, B, & C. C, D, & F. None of the above. 129. GMP stands for: A. General Maintenance Policies. B. Government Mandated Procedures. C. Good Manufacturing Practices. D. Good Maintenance Practices. 130. Gaskets and o-rings can be reused if not visibly damaged. True False 131. Impact tools can be used for machine ___disassembly___, but not ____reassembly____. 132. What is the proper tightening sequence for the following? 1 5 2 4 A. B. C. D. 133. 3 1,2,3,4,5. 1,5,4,3,2. 1,3,5,2,4. Does not matter. When disassembling a machine, parts and fasteners should be: A. Cleaned and labeled. B. Separated and painted. C. Always replaced. D. Inspected. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 12 E. F. A & D. All of the above. 134. Anti-seize compound should be used on all fasteners during reassembly. True False 135. Break-in periods are needed for new equipment. True False 136. Compressed gas cylinders can be moved only short distances with the protector cap off. True False 137. While welding, recommended PPE should include: A. Gloves. B. Safety glasses. C. Tinted shield. D. Long-sleeved fire retardant clothing. E. Steel-toed boots. F. All of the above. 138. At what pressure does acetylene become unstable? A. 5 psi. B. 10 psi. C. 5 bar. D. 15 psi. 139. What is the difference between Oxygen and Acetylene fittings? ____The acetylene fitting is left-hand threaded____. 140. Acetylene bottles should be transported in a ___vertical or upright___ position. 141. TIG stands for ____Tungsten_____ ___Inert____ ___Gas____. 142. Welding curtains are designed to protect eyes. True False 143. Argon is used in welding operations for TIG and MIG welding. True False 144. Of the three types of light produced by arc welding, __ultraviolet___ is the most dangerous. Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 13 Match the following items to their definitions: 145. _D_ MIG A. Electric arc welding, using Tungsten as one of the electrodes. 146. _A_ TIG B. Electric arc welding using a flux coated rod as one of the electrodes. 147. _B_ Stick C. Welding using heat provided by gases. 148. _C_ Oxy-acetylene D. Electric arc welding using a continuous coiled wire as one of the electrodes. 149. While conducting plasma or oxy-acetylene cutting operations, OSHA requires: A. Water source. B. Fire extinguisher. C. GFCI protection. D. Hot work permit. E. Fire watch. F. A, B, & D. G. B, D, & E. 150. Cleanliness of the joint is one of the most important issues when “sweating” or soldering copper pipe. True False Test Questions for Introduction to Indusctrial Maintenance IMA 100 Prepared by Mesa Oak Consulting, Inc. 14 This workforce solution was funded by a grant awarded under the Workforce Innovation in Regional Development (WIRED) as implemented by the U.S. Department of Labor’s Employment and Training Administration working in partnership with the Colorado Department of Labor and Employment, the Metro Denver Economic Development Corporation, and the City and County of Denver's Office of Economic Development. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. 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