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Question: A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called
[A].

automatic expansion valve

[B].

high side float valve

[C].

thermostatic expansion valve

[D].

low side float valve

Answer: Option D

Explanation:

No answer description available for this question.

Question: A thermostatic expansion valve in a refrigeration system
[A].

ensures the evaporator completely filled with refrigerant of the load

[B].

is suitable only for constant load systems

[C].

maintains different temperatures in evaporator in proportion to load

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: The capillary tube is not used in large capacity refrigeration systems because
[A].

cost is too high

[B].

capacity control is not possible

[C].

it is made of copper

[D].

required pressure drop can not be achieved

Answer: Option B

Explanation:

No answer description available for this question.

Question: The capillary tube, as an expansion device, is used in
[A].

domestic refrigerators

[B].

water coolers

[C].

room air conditioners

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: In a refrigeration system, the expansion device is connected between the
[A].

compressor and condenser

[B].

condenser and receiver

[C].

receiver and evaporator

[D].

evaporator and compressor

Answer: Option C

Explanation:

No answer description available for this question.

Question: An evaporator is also known as
[A].

freezing coil

[B].

cooling coil

[C].

chilling coil

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: The capacity of the cooling tower and spray ponds __________ as the wet bulb temperature of air decreases.
[A].

increases

[B].

decreases

Answer: Option A

Explanation:

No answer description available for this question.