The major types of compressors listed by mechanical design are:
A) Air cooled, water cooled, and refrigerant cooled.
B) Reciprocating, rotary, scroll, screw, and centrifugal.
C) Forward curved, backward curved, radial, in-line.
D) Hermetic, semihermetic, and open.
[Ques. 2] Which of the following is considered an advantage of a flooded evaporator?
A) Its ability to maintain a very accurate temperature across half of the evaporator surface
B) Its ability to lower the temperature across the entire evaporator surface
C) Its ability to maintain a very accurate temperature across the entire evaporator surface
D) Its ability to raise the temperature across the entire evaporator surface
[Ques. 3] A Bourdon tube is:
A) An evacuated tube that vibrates in the presence of pressure.
B) A flattened tube in the shape of a question mark that straightens under pressure.
C) A straight, round tube that deforms under pressure.
D) A straight twisted tube that untwists with an increase in pressure.
[Ques. 4] Where is the liquid receiver located?
A) On the high side just after the condenser B) On the low side just after the metering device
C) On the high side just after the compressor D) On the low side just before the compressor
[Ques. 5] Increasing the airflow across a coil:
A) Increases the latent capacity.
B) Decreases the static pressure drop across the coil.
C) Increases the sensible capacity.
D) Decreases the bypass factor.
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