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MILLWRIGHT LEVEL 3 PNEUMATICS FINAL EXAM (ACTUAL )
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MILLWRIGHT LEVEL 3 PNEUMATICS FINAL EXAM (ACTUAL )
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MILLWRIGHT LEVEL 3 PNEUMATICS FINAL EXAM(ACTUAL 2024-2025) QUESTION AND ANSWERS.
Zero degrees Kelvin is equal too -273C true or false?
True
air recievers are used to store compressed air to take up
fluctuations in demand and allow the system pressure to vary
within reasonable limits. T or F
true
most compressed air systems run for long distances. this
allows the air to cool below its dew point, which causes
moisture to fall out of the airstream. T or F
true
flow control valves control the volume and therefore the
speed of the actuator. T or F
true
Pilot operation refers to valves that are operated with air
pressure. internally piloted means the air pressure within the
valve is used to perform the shifting function. T or F
, MILLWRIGHT LEVEL 3 PNEUMATICS FINAL EXAM
(ACTUAL 2024-2025) QUESTION AND ANSWERS.
true
the 3/2 valve can be used if the air needs to be released when
the valve is closed. A typical application is the operation of a
_________ acting cylinder
single
A __________ acting cylinder is a common application of a
4/2 valve.
double
one of the first items to check in a malfunctioning system is
weather there is a supply of air at sufficient flow and pressure.
T or F
true
what laws and theories can be applied to both pneumatics and
hydraulic systems?
Pascals law, Bernoullis principles, law of convservation of
energy.
, MILLWRIGHT LEVEL 3 PNEUMATICS FINAL EXAM
(ACTUAL 2024-2025) QUESTION AND ANSWERS.
describe absolute zero temperature.
all molecular action in a gas ceases and perfect vacuum
occurs.
describe absolute pressure
there is no pressure. zero pounds per square inch(0psia),at sea
level and under normal conditions of temperature. (15.5C or
60F)
what is the normal atmospheric pressure at sea level?
1 bar or 14.7 psia
how is vacuum measured?
vacuum is measured with a barometer, measured in mm hg or
"hg.
what are the properties or characteristics of compressed air?
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