Refrigeration and Air Conditioning

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

Byadmin January 25, 2019August 16, 2021

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

Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

The boiling point of __________ is -10.5°C.

Question: The boiling point of __________ is -10.5°C.
[A].

ammonia
[B].
R-12
[C].
sulphur dioxide
[D].
carbon dioxide

Answer: Option C

Explanation:

No answer description available for this question.

Read More The boiling point of __________ is -10.5°C.
Refrigeration and Air Conditioning

Under-cooling in a refrigeration cycle_________________?

Under-cooling in a refrigeration cycle_________________?

A. increases COP
B. decreases COF
C. COP remains unaltered
D. other factors decide COP
E. unperdictable

Read More Under-cooling in a refrigeration cycle_________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In electrolux refrigerator

Question: In electrolux refrigerator
[A].

ammonia is absorbed in hydrogen
[B].
ammonia is absorbed in water
[C].
ammonia evaporates in hydrogen
[D].
hydrogen evaporates in ammonia

Answer: Option C

Explanation:

No answer description available for this question.

Read More In electrolux refrigerator
Refrigeration and Air Conditioning

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?

The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeg condenser temperature constant, will______________________?

A. increase
B. decrease
C. remain unaffected
D. may increase or decrease depending on the type of refrigerant used
E. unpredictable

Read More The C.O.P of a refrigeration cycle with increase in evaporator temperature, keeping condenser temperature constant, will______________________?
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Bell-Coleman cycle is a

Question: Bell-Coleman cycle is a
[A].

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

Answer: Option C

Explanation:

No answer description available for this question.

Read More Bell-Coleman cycle is a
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

Fourier’s law of heat conduction gives the heat flow for

Question: Fourier’s law of heat conduction gives the heat flow for
[A].

irregular surfaces
[B].
non-uniform temperature surfaces
[C].
one dimensional cases only
[D].
two dimensional cases only

Answer: Option C

Explanation:

No answer description available for this question.

Read More Fourier’s law of heat conduction gives the heat flow for

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