Millwright Level 4 Practice Test Review
Exam Questions and Answers 100%
score Latest update 2026
The best method of alignment to apply when shafts can not be
axially secured is? -
correct answer ✅cross dialing
Sag corrections in dial setting are applied only to? -
correct answer ✅vertical rim readings
limitations in use of cross dialing methods include substantial
brackets for long spans, less accuracy over short spans, and? -
correct answer ✅both shafts must turn
optalign plus alignment requires the transducer assembly be
mounted upon the? -
correct answer ✅primary equipment
depending on the fluid being pumped, pumps handling slurry or
abrasives need an outside supply to keep abrasives from the seal.
what must be done? -
correct answer ✅the outside supply should be at least 10 psi over
pump pressure
,Millwright Level 4 Practice Test Review
Exam Questions and Answers 100%
score Latest update 2026
why is the crankcase ventilation system in an air compressor
important? -
correct answer ✅maintains atmospheric pressure
the two main classes of compressors are? -
correct answer ✅positive displacement and dynamic
if the capacity of the reciprocating compressor has to be changed, it
is done best by? -
correct answer ✅adjusting the clearance pocket valve
The purpose of camber in a chain conveyor is to? -
correct answer ✅hold chain against conveyor bottom
chain blocks are designed so that the top hook is? -
correct answer ✅stronger than the lower hook
The foundation of a machine subject to critical alignment is poured
with the concrete level at a minus elevation of? -
correct answer ✅3/4" - 1 1/2"
, Millwright Level 4 Practice Test Review
Exam Questions and Answers 100%
score Latest update 2026
a cyclone on a pneumatic conveyor is a? -
correct answer ✅separator
shock load on a bearing will result in the bearing becoming? -
correct answer ✅brinelled
finished grout should be kept wet for how long? -
correct answer ✅24 hours
the amount of taper on a NPT thread is? -
correct answer ✅3/4" per foot
A governor is a device that will control _________ of a prime mover
under varying conditions of load. -
correct answer ✅speed
the number of teeth per inch of a hacksaw blade for general work
is? -
correct answer ✅18 teeth
Exam Questions and Answers 100%
score Latest update 2026
The best method of alignment to apply when shafts can not be
axially secured is? -
correct answer ✅cross dialing
Sag corrections in dial setting are applied only to? -
correct answer ✅vertical rim readings
limitations in use of cross dialing methods include substantial
brackets for long spans, less accuracy over short spans, and? -
correct answer ✅both shafts must turn
optalign plus alignment requires the transducer assembly be
mounted upon the? -
correct answer ✅primary equipment
depending on the fluid being pumped, pumps handling slurry or
abrasives need an outside supply to keep abrasives from the seal.
what must be done? -
correct answer ✅the outside supply should be at least 10 psi over
pump pressure
,Millwright Level 4 Practice Test Review
Exam Questions and Answers 100%
score Latest update 2026
why is the crankcase ventilation system in an air compressor
important? -
correct answer ✅maintains atmospheric pressure
the two main classes of compressors are? -
correct answer ✅positive displacement and dynamic
if the capacity of the reciprocating compressor has to be changed, it
is done best by? -
correct answer ✅adjusting the clearance pocket valve
The purpose of camber in a chain conveyor is to? -
correct answer ✅hold chain against conveyor bottom
chain blocks are designed so that the top hook is? -
correct answer ✅stronger than the lower hook
The foundation of a machine subject to critical alignment is poured
with the concrete level at a minus elevation of? -
correct answer ✅3/4" - 1 1/2"
, Millwright Level 4 Practice Test Review
Exam Questions and Answers 100%
score Latest update 2026
a cyclone on a pneumatic conveyor is a? -
correct answer ✅separator
shock load on a bearing will result in the bearing becoming? -
correct answer ✅brinelled
finished grout should be kept wet for how long? -
correct answer ✅24 hours
the amount of taper on a NPT thread is? -
correct answer ✅3/4" per foot
A governor is a device that will control _________ of a prime mover
under varying conditions of load. -
correct answer ✅speed
the number of teeth per inch of a hacksaw blade for general work
is? -
correct answer ✅18 teeth
