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Millwright Interprovincial (Red Seal) Review Exam 3 Questions with correct answers
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Millwright Interprovincial (Red Seal) Review Exam 3 Questions with correct answers
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Millwright Interprovincial (Red Seal) Review Exam 3Questions with correct answers
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.
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
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
Steel piping used with engines should be pickled which is:
A) running an acid bath through the piping.
B) painting to prevent rust.
C) spraying it with a silicone sealing compound.
D) a form of sanding. Correct Answer-A) Running an acid bath through
the piping
1. Which of the following best describes stainless steel pipe?
A) It is used for its corrosion resistance but not at hydraulic pressures
B) It can not be used for high pressure and high temperatures
C) They offer excellent corrosion resistance but they catalyze the
oxidation of hydraulic fluid
D) It is mainly used in pipes that carry a corrosive product at high
temperatures and pressure
E) It is the most common material for making pipe Correct Answer-D) It
is mainly used in pipes that carry a corrosive product at high
temperatures and pressure.
What should be checked if a hydraulic cylinder moves a load slower
than it normally would?
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