Review Exam 3 Questions and Answers
(Latest 2024)
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 - Correct 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 - Correct 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.
,Millwright Interprovincial (Red Seal)
Review Exam 3 Questions and Answers
(Latest 2024)
D) all of the above. - Correct 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 - Correct 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
, Millwright Interprovincial (Red Seal)
Review Exam 3 Questions and Answers
(Latest 2024)
C) Relief valve setting too low
D) Cavitation
E) Misalignment
F) Bearings - Correct 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 - Correct Answer ✅B) noise and
oil mist
1. Which of the following is a possible cause of pressure relief
valve problems?
A) Incorrect adjustment
B) Damaged or worn valves
C) Broken springs
D) All of the above - Correct Answer ✅D) All the above