Millwright Level 4 Practice Test Review
Questions and Answers 100% Correct.
The best method of alignment to apply when shafts can not be axially secured is? -
ANSWER-cross dialing
Sag corrections in dial setting are applied only to? - ANSWER-vertical rim readings
limitations in use of cross dialing methods include substantial brackets for long spans,
less accuracy over short spans, and? - ANSWER-both shafts must turn
optalign plus alignment requires the transducer assembly be mounted upon the? -
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? - ANSWER-the
outside supply should be at least 10 psi over pump pressure
why is the crankcase ventilation system in an air compressor important? - ANSWER-
maintains atmospheric pressure
the two main classes of compressors are? - ANSWER-positive displacement and
dynamic
if the capacity of the reciprocating compressor has to be changed, it is done best by? -
ANSWER-adjusting the clearance pocket valve
The purpose of camber in a chain conveyor is to? - ANSWER-hold chain against
conveyor bottom
chain blocks are designed so that the top hook is? - 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? - ANSWER-3/4" - 1 1/2"
a cyclone on a pneumatic conveyor is a? - ANSWER-separator
shock load on a bearing will result in the bearing becoming? - ANSWER-brinelled
finished grout should be kept wet for how long? - ANSWER-24 hours
, the amount of taper on a NPT thread is? - ANSWER-3/4" per foot
A governor is a device that will control _________ of a prime mover under varying
conditions of load. - ANSWER-speed
the number of teeth per inch of a hacksaw blade for general work is? - ANSWER-18
teeth
the Vee head of a combination set is frequently used to? - ANSWER-lay out center lines
on the end of round stock
the best instrument for bisecting an angle in layout work is? - ANSWER-dividers
for lifting sharp edged objects use a? - ANSWER-grab chain
the degree of accuracy of a standard imperial micrometer is? - ANSWER-.001"
what is the first step to be completed when fitting a mandrel or journal to a newly poured
babbitt bearing? - ANSWER-relieve the edges (aka file)
the load carrying section of a v-belt is situated on the neutral axis of the belt, which is? -
ANSWER-1/3 from the top of the belt
to measure vacuum on a fan inlet a ____________ is used? - ANSWER-pipe tube
manometer
a gear having a pitch circle as a straight line is known as a? - ANSWER-rack gear
what causes a air clutch to engage slowly? - ANSWER-insufficient air volume
gears that connect an intersecting shaft and have an equal number of teeth on each
gear are called? - ANSWER-mitre gears
a spherical roller bearing is capable of? - ANSWER-sustaining high radial loads
the critical point of a rolling element bearing refers to? - ANSWER-the bearing speed
hydraulic pumps are rotary devices used for converting? - ANSWER-mechanical energy
into hydraulic energy
to minimize the friction of the fluid in tubing, the bends should be? - ANSWER-2 1/2 to 3
times the tube diameter
the absolute rating of the filter element refers to the elements ______________ hole
size. - ANSWER-largest
Questions and Answers 100% Correct.
The best method of alignment to apply when shafts can not be axially secured is? -
ANSWER-cross dialing
Sag corrections in dial setting are applied only to? - ANSWER-vertical rim readings
limitations in use of cross dialing methods include substantial brackets for long spans,
less accuracy over short spans, and? - ANSWER-both shafts must turn
optalign plus alignment requires the transducer assembly be mounted upon the? -
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? - ANSWER-the
outside supply should be at least 10 psi over pump pressure
why is the crankcase ventilation system in an air compressor important? - ANSWER-
maintains atmospheric pressure
the two main classes of compressors are? - ANSWER-positive displacement and
dynamic
if the capacity of the reciprocating compressor has to be changed, it is done best by? -
ANSWER-adjusting the clearance pocket valve
The purpose of camber in a chain conveyor is to? - ANSWER-hold chain against
conveyor bottom
chain blocks are designed so that the top hook is? - 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? - ANSWER-3/4" - 1 1/2"
a cyclone on a pneumatic conveyor is a? - ANSWER-separator
shock load on a bearing will result in the bearing becoming? - ANSWER-brinelled
finished grout should be kept wet for how long? - ANSWER-24 hours
, the amount of taper on a NPT thread is? - ANSWER-3/4" per foot
A governor is a device that will control _________ of a prime mover under varying
conditions of load. - ANSWER-speed
the number of teeth per inch of a hacksaw blade for general work is? - ANSWER-18
teeth
the Vee head of a combination set is frequently used to? - ANSWER-lay out center lines
on the end of round stock
the best instrument for bisecting an angle in layout work is? - ANSWER-dividers
for lifting sharp edged objects use a? - ANSWER-grab chain
the degree of accuracy of a standard imperial micrometer is? - ANSWER-.001"
what is the first step to be completed when fitting a mandrel or journal to a newly poured
babbitt bearing? - ANSWER-relieve the edges (aka file)
the load carrying section of a v-belt is situated on the neutral axis of the belt, which is? -
ANSWER-1/3 from the top of the belt
to measure vacuum on a fan inlet a ____________ is used? - ANSWER-pipe tube
manometer
a gear having a pitch circle as a straight line is known as a? - ANSWER-rack gear
what causes a air clutch to engage slowly? - ANSWER-insufficient air volume
gears that connect an intersecting shaft and have an equal number of teeth on each
gear are called? - ANSWER-mitre gears
a spherical roller bearing is capable of? - ANSWER-sustaining high radial loads
the critical point of a rolling element bearing refers to? - ANSWER-the bearing speed
hydraulic pumps are rotary devices used for converting? - ANSWER-mechanical energy
into hydraulic energy
to minimize the friction of the fluid in tubing, the bends should be? - ANSWER-2 1/2 to 3
times the tube diameter
the absolute rating of the filter element refers to the elements ______________ hole
size. - ANSWER-largest
