Refrigeration and Air Conditioning (2161908) MCQ

MCQs of Refrigeration System Components

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MCQ No - 1

The moisture in a refrigerant is removed by

(A) evaporator
(B) safety relief valve
(C) dehumidifier
(D) driers

D
MCQ No - 2

The leaks in a refrigeration system is detected by

(A) halide torch which on detection produces greenish flame lighting
(B) sulphur sticks which on detection gives white smoke
(C) using reagents
(D) smelling

A
MCQ No - 3

The suction pipe diameter of the refrigerating unit in comparison to the delivery side is

(A) bigger
(B) smaller
(C) equal
(D) smaller/bigger depending on capacity

A
MCQ No - 4

A refrigerant compressor is used to

(A) raise the pressure of the refrigerant
(B) raise the temperature of the refrigerant
(C) circulate the refrigerant through the refrigerating system
(D) all of the above

D
MCQ No - 5

The domestic refrigerator uses the following type of compressor

(A) centrifugal
(B) axial
(C) miniature sealed unit
(D) piston type reciprocating

D

Refrigeration and Air Conditioning(2161908)

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