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Millwright Level 4 practice test review, 243 Questions with 100% Correct Answers | Verified | Updated 2024. $13.99
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Millwright Level 4 practice test review, 243 Questions with 100% Correct Answers | Verified | Updated 2024.
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Millwright Level 4 practice test review, 243 Questions with 100% Correct Answers | Verified | Updated 2024.

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  • March 28, 2024
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  • 2023/2024
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Millwright Level 4 practice test review, 243 Questions with
100% Correct Answers | Verified | Updated 2024.

The best method of alignment to apply when shafts can not be axially secured is?

cross dialing

Sag corrections in dial setting are applied only to?

vertical rim readings

limitations in use of cross dialing methods include substantial brackets for long spans, less accuracy
over short spans, and?

both shafts must turn

optalign plus alignment requires the transducer assembly be mounted upon the?

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?

the outside supply should be at least 10 psi over pump pressure

why is the crankcase ventilation system in an air compressor important?

maintains atmospheric pressure

the two main classes of compressors are?

positive displacement and dynamic

if the capacity of the reciprocating compressor has to be changed, it is done best by?

adjusting the clearance pocket valve

The purpose of camber in a chain conveyor is to?

hold chain against conveyor bottom

chain blocks are designed so that the top hook is?

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?

3/4" - 1 1/2"

a cyclone on a pneumatic conveyor is a?

separator

,shock load on a bearing will result in the bearing becoming?

brinelled

finished grout should be kept wet for how long?

24 hours

the amount of taper on a NPT thread is?

3/4" per foot

A governor is a device that will control _________ of a prime mover under varying conditions of load.

speed

the number of teeth per inch of a hacksaw blade for general work is?

18 teeth

the Vee head of a combination set is frequently used to?

lay out center lines on the end of round stock

the best instrument for bisecting an angle in layout work is?

dividers

for lifting sharp edged objects use a?

grab chain

the degree of accuracy of a standard imperial micrometer is?

.001"

what is the first step to be completed when fitting a mandrel or journal to a newly poured babbitt
bearing?

relieve the edges (aka file)

the load carrying section of a v-belt is situated on the neutral axis of the belt, which is?

1/3 from the top of the belt

to measure vacuum on a fan inlet a ____________ is used?

pipe tube manometer

a gear having a pitch circle as a straight line is known as a?

rack gear

what causes a air clutch to engage slowly?

insufficient air volume

, gears that connect an intersecting shaft and have an equal number of teeth on each gear are called?

mitre gears

a spherical roller bearing is capable of?

sustaining high radial loads

the critical point of a rolling element bearing refers to?

the bearing speed

hydraulic pumps are rotary devices used for converting?

mechanical energy into hydraulic energy

to minimize the friction of the fluid in tubing, the bends should be?

2 1/2 to 3 times the tube diameter

the absolute rating of the filter element refers to the elements ______________ hole size.

largest

when two identical fluid motors are connected in parallel with each other, they will develop?

half the speed and twice the torque

fluid passing through a restrictor is subject to which law?

bernoulli

regeneration can only be achieved on?

advance stroke

to increase the volumetric output of a fixed displacement pump, you would?

speed up the prime mover

the type of pressure controls valves that require external drains are?

sequence and pressure reducing valve

a line used to denote unexposed detail on a blue print is called?

hidden line

what is the effect in a system when a hydraulic accumulator stops flow?

flow rate decreases

chain conveyors that are used in wet, corrosive, and heavy duty applications, usually use chain made
from?

manganese steel

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