Air refrigeration cycle is used in ____________________?

Byadmin January 25, 2019August 16, 2021

Air refrigeration cycle is used in ____________________?

A. domestic refrigerators
B. commercial refrigerators
C. air conditioning
D. gas liquefaction
E. such a cycle does not exist

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is

Question: In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
[A].

reversed Carnot cycle
[B].
reversed Joule cycle
[C].
reversed Brayton cycle
[D].
reversed Otto cycle

Answer: Option C

Explanation:

No answer description available for this question.

Read More In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a refrigeration system, the expansion device is connected between the

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.

Read More In a refrigeration system, the expansion device is connected between the
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

A low wet bulb temperature indicates very __________ humidity.

Question: A low wet bulb temperature indicates very __________ humidity.
[A].

low
[B].
high

Answer: Option A

Explanation:

No answer description available for this question.

Read More A low wet bulb temperature indicates very __________ humidity.
Refrigeration and Air Conditioning

The bank of tubes at the back of domestic refrigerator are _________________?

The bank of tubes at the back of domestic refrigerator are _________________?

A. condenser tubes
B. evaporator tubes
C. refrigerant cooling tubes
D. capillary tubes
E. throttling device

Read More The bank of tubes at the back of domestic refrigerator are _________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In a reversed Brayton cycle, the heat is absorbed by the air during

Question: In a reversed Brayton cycle, the heat is absorbed by the air during
[A].

isentropic compression process
[B].
constant pressure cooling process
[C].
isentropic expansion process
[D].
constant pressure expansion process

Answer: Option D

Explanation:

No answer description available for this question.

Read More In a reversed Brayton cycle, the heat is absorbed by the air during
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

According to Stefan-Boltzmann law, the total radiation from a black body per second per unit area is directly proportional to the

Question: According to Stefan-Boltzmann law, the total radiation from a black body per second per unit area is directly proportional to the
[A].

absolute temperature
[B].
square of the absolute temperature
[C].
cube of the absolute temperature
[D].
fourth power of the absolute temperature

Answer: Option D

Explanation:

No answer description available for this question.

Read More According to Stefan-Boltzmann law, the total radiation from a black body per second per unit area is directly proportional to the

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