MILLWRIGHT INTERPROVINCIAL (RED SEAL) REVIEW EXAM 3

1. How is efficiency found? A) output over input B) input over output C) output times input times 100 D) output times input divided by hp - Answer-A) Output over input 2. What is the maximum capacity in kg of a heavy duty ladder? A) 136 B) 113 C) 102 D) 91 - Answer-B)113 . Worn ring grooves on an engine piston will cause: A) the rings to rock back and forth. B) combustion gases to blow by the rings into the crankshaft. C) oil consumption. D) all of the above. - Answer-D) All the above What is feed back? A) The term used when a signal that is derived from an amplifier is sent back to the position measuring device at the solenoid or actuator B) The term used when a signal that is derived from a position measuring device at the solenoid or actuator is sent back to the amplifier card C) The wave form kick emitted from an inductive loads with a DC supply D) Harmonic activity associated with noise from AC waveforms - Answer-B) The term used when a signal that is derived from a position measuring device at the solenoid or actuator is sent back to the amplifier card 1. What should be checked if a motor has a loss of power? A) Internal leaks in valve spool or in cylinders, vane tips or gears B) Internal leaks in cylinders, vane tips or gear teeth and case C) Relief valve setting too low D) Cavitation E) Misalignment F) Bearings - Answer-C) Relief valve setting too low Environmental pollution in pneumatic systems occurs in the form of: A) dirt or dust B) noise and oil mists C) cavitation and aeration - Answer-B) noise and oil mist 1.