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    Mechanical Engineering : R.A.C. Question & Answer in English

1.
Rating of a domestic refrigerator is of the order of - 
A.  0.1 to 0.3 tonne
B.  2 tonnes
C.  5 tonnes
D.  10 tonnes

2.
Air refrigerator works on .................... cycle
A.  Rankine
B.  Bll-coleman
C.  Reversed Carnot cycle
D.  Both (B) and (C)

3.
The refrigerator capacity of 165 domestic refrigerator is approximately equal to
A.  0.1 tonne
B.  1.15 tonne
C.  5 tonne
D.  8 tonne

4.
Air refrigeration cycle is used in
A.  Domestic refrigeration
B.  Gas liquefaction
C.  Commercial refrigeration
D.  All of the above

5.
In air conditioning of aeroplanes, using air as a refrigerant, the cycle used is reversed ..........cycle.
A.  Otto
B.  Joule
C.  Brayton
D.  Carnot

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