COMPRESSED AIR SYSTEM

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COMPRESSED AIR SYSTEM

1.The process of removing moisture from air is known as _____________.
A.humidification

B.dehumidification

C.vaporization

D.evaporation

B.dehumidification

2.Increasing the moisture content of conditioned air is known as _____________.

A.moisturizing

B.dehumidification

C.dampening

D.humidification

D.humidification

3.A first stage unloader installed in a low pressure air compressor is unable to completely retract. This will result in _________________.
A.overheating of the discharge valve

B.loss of moisture in the air charge in the receiver

C.frequent lifting of the intercooler relief valve

D.an abnormally low intercooler pressure

D.an abnormally low intercooler pressure

4.A viscous film of oil collected between the valve face and seat of a low pressure reciprocating air compressor will ______________.

A.prevent the valve from wire drawing

B.retard the opening and closing of the valve

C.have no effect on compressor operation

D.provide quieter valve operation

B.retard the opening and closing of the valve