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31.

Ratio of indicated H.P. and brake H.P. is known as

A.	mechanical efficiency	B.	volumetric efficiency
C.	isothermal efficiency	D.	adiabatic efficiency

32.

Ratio of indicated h.p. to shaft h.p. in known as

A.	compressor efficiency	B.	isothermal efficiency
C.	volumetric efficiency	D.	mechanical efficiency

33.

Reciprocating air compressor is best suited for

A.	large quantity of air at high pressure	B.	small quantity of air at high pressure
C.	small quantity of air at low pressure	D.	large quantity of air at low pressure

34.

Rotary compressor is best suited for

A.	large quantity of air at high pressure	B.	small quantity of air at high pressure
C.	small quantity of air at low pressure	D.	large quantity of air at low pressure

35.

Separators in compressor installations are located

A.	before intercooler	B.	after intercooler
C.	after receiver	D.	between after-cooler and air receiver

36.

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is

A.	less	B.	more
C.	same	D.	more/less depending on compressor capacity

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