Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Question: Defrosting of a refrigerator may be done by stopping the compressor for a short period.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Question: The capacity of a domestic refrigerator is in the range of
[A].

0.1 to 0.3 TR

[B].

1 to 3 TR

[C].

3 to 5 TR

[D].

5 to 7 TR

Answer: Option A

Explanation:

No answer description available for this question.

Question: For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of
[A].

copper

[B].

aluminium

[C].

steel

[D].

brass

Answer: Option C

Explanation:

No answer description available for this question.

Question: In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
[A].

which lies between the dry bulb and wet bulb temperatures of the incoming stream

[B].

which lies between the wet bulb and dew point temperatures of the incoming stream

[C].

which is lower than the dew point temperature of the incoming stream

[D].

of adiabatic saturation of incoming stream

Answer: Option C

Explanation:

No answer description available for this question.