MILLWRIGHT NCCER EXAM QUESTIONS WITH COMPLETE
SOLUTIONS GUARANTEED PASS BRAND NEW 2025
One type of common gearbox is the _________.
A) right -angle drive
B) bevel box
C) fluid drive
D) triangle drive - ANSWER - > A) Right-angle drive
Double helical gears are especially effective in applications where
__________ are problems.
A) shock and vibration
B) different helical angles
C) misalignments
D) multiple gear sets - ANSWER - > A) Shock and vibration
Destructive pitting occurs on a gear on one side or the other of the
_______.
A) root
B) whole depth
C) tip
D) pitch line - ANSWER - > D) Pitch Line
Pressure is normally measured in ___________.
A) pounds of force
B) foot-pounds
C) inch-pounds
D) pounds per square inch - ANSWER - > D) Pounds per square inch
,The distance from the tip of a gear tooth on one side of a gear to the tip
of a tooth on the opposite side of the gear is called the ____________.
A) whole depth
B) major diameter
C) pitch diameter
D) major circumference - ANSWER - > B) Major Diameter
The Pistons in a two-piston cylinder _____________.
A) always move together
B) are called dual pistons
C) can move together or separately
D) do not move when the pressure is too high - ANSWER - > C) Can
move together or separately
Engaged gears always have the same _____________.
A) number of teeth
B) surface speed
C) failure rate
D) rpm - ANSWER - > B) Surface speed
The combination of hydraulic fluid and air is called ___________.
A) air absorption
B) oxidation
C) emulsion
D) foaming - ANSWER - > B) oxidation
When properly designed and lubricated, ____________ gears are the
smoothest.
A) helical
B) bevel
C) worm
D) spur - ANSWER - > C) worm
, Hydraulic lines must be ___________ so that energy will be transmitted
effectively throughout the system.
A) rigid
B) thin
C) flexible
D) sized - ANSWER - > D) sized
The gear box housing is sealed and lubricated to minimize wear and
distribute the heat generated at the _____________.
A) oil vent
B) gear teeth contact points
C) motor
D) output shaft - ANSWER - > B) gear teeth contact points
Cylinders in a hydraulic system are called _________.
A) pistons
B) linear actuators
C) pumps
D) shock absorbers - ANSWER - > B) linear actuators
Destructive pitting is caused by _________ the gears.
A) tapping
B) overloading
C) oiling
D) lightening - ANSWER - > B) overloading
Corrosion is caused by ___________.
A) pressure that is too high
B) viscosity that is too high
C) acids created by the combination of air and liquid
D) a low pour point - ANSWER - > C) acids created by the combination
of air and liquid
SOLUTIONS GUARANTEED PASS BRAND NEW 2025
One type of common gearbox is the _________.
A) right -angle drive
B) bevel box
C) fluid drive
D) triangle drive - ANSWER - > A) Right-angle drive
Double helical gears are especially effective in applications where
__________ are problems.
A) shock and vibration
B) different helical angles
C) misalignments
D) multiple gear sets - ANSWER - > A) Shock and vibration
Destructive pitting occurs on a gear on one side or the other of the
_______.
A) root
B) whole depth
C) tip
D) pitch line - ANSWER - > D) Pitch Line
Pressure is normally measured in ___________.
A) pounds of force
B) foot-pounds
C) inch-pounds
D) pounds per square inch - ANSWER - > D) Pounds per square inch
,The distance from the tip of a gear tooth on one side of a gear to the tip
of a tooth on the opposite side of the gear is called the ____________.
A) whole depth
B) major diameter
C) pitch diameter
D) major circumference - ANSWER - > B) Major Diameter
The Pistons in a two-piston cylinder _____________.
A) always move together
B) are called dual pistons
C) can move together or separately
D) do not move when the pressure is too high - ANSWER - > C) Can
move together or separately
Engaged gears always have the same _____________.
A) number of teeth
B) surface speed
C) failure rate
D) rpm - ANSWER - > B) Surface speed
The combination of hydraulic fluid and air is called ___________.
A) air absorption
B) oxidation
C) emulsion
D) foaming - ANSWER - > B) oxidation
When properly designed and lubricated, ____________ gears are the
smoothest.
A) helical
B) bevel
C) worm
D) spur - ANSWER - > C) worm
, Hydraulic lines must be ___________ so that energy will be transmitted
effectively throughout the system.
A) rigid
B) thin
C) flexible
D) sized - ANSWER - > D) sized
The gear box housing is sealed and lubricated to minimize wear and
distribute the heat generated at the _____________.
A) oil vent
B) gear teeth contact points
C) motor
D) output shaft - ANSWER - > B) gear teeth contact points
Cylinders in a hydraulic system are called _________.
A) pistons
B) linear actuators
C) pumps
D) shock absorbers - ANSWER - > B) linear actuators
Destructive pitting is caused by _________ the gears.
A) tapping
B) overloading
C) oiling
D) lightening - ANSWER - > B) overloading
Corrosion is caused by ___________.
A) pressure that is too high
B) viscosity that is too high
C) acids created by the combination of air and liquid
D) a low pour point - ANSWER - > C) acids created by the combination
of air and liquid
