Refrigeration and Air Conditioning (2161908) MCQ

MCQs of Absorption Refrigeration System

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MCQ No - 1

The COP of a vapour compression plant in comparison to vapour absorption plant is

(A) more
(B) less
(C) same
(D) depends on the size of the plant

A
MCQ No - 2

The COP of the VAR system is _________ compared to the COP of the VCR system.

(A) high
(B) less
(C) same
(D) depends on the capacity of the plant

B
MCQ No - 3

Absoption system normally uses the following refrigerant:

(A) CO2
(B) SO2
(C) NH3
(D) R-11

C
MCQ No - 4

Aqua-ammonia is used as a refrigerant in the following type of refrigeration system

(A) compression
(B) indirect
(C) absorption
(D) none of the above

C
MCQ No - 5

Fittings in the ammonia absorption refrigeration system are made of

(A) cast steel or forgings
(B) copper
(C) brass
(D) aluminium

A
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