The boiling point of ammonia is___________________?
The boiling point of ammonia is___________________?
A. -100°C
B. -50°C
C. – 33.3°C
D. 0°C
E. 33.3°C
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The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)
Question: The C.O.P. of an absorption type refrigerator is given by (where T1 = Temperature at which the working substance receives heat, T2 = Temperature of cooling water, and T3 = Evaporator temperature)
[A].[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Where does the lowest temperature occur in a vapour compression cycle ?
Where does the lowest temperature occur in a vapour compression cycle ?A. condenser
B. evaporator
C. compressor
D. expansion valve
E. receiverIn a lithium bromide absorption refrigeration system
Question: In a lithium bromide absorption refrigeration system
[A].lithium bromide is used as a refrigerant and water as an absorbent [B].
water is used as a refrigerant and lithium bromide as an absorbent [C].
ammonia is used as a refrigerant and lithium bromide as an absorbent [D].
none of the above Answer: Option B
Explanation:
No answer description available for this question.
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
Question: In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
[A].liquid pump [B].
generator [C].
absorber and generator [D].
absorber, generator and liquid pump Answer: Option D
Explanation:
No answer description available for this question.
Air refrigerator works on
Question: Air refrigerator works on
[A].reversed Carnot cycle [B].
Bell Coleman cycle [C].
both (a) and ib) [D].
none of these Answer: Option C
Explanation:
No answer description available for this question.
In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?
In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to___________________?A. collect liquid refrigerant and prevent it from going to compressor
B. detect liquid in vapour
C. superheat the vapour
D. collect vapours
E. increase refrigeration effect