Category: Refrigeration and Air Conditioning

A. more
B. less
C. equally.
D. unpredictable
E. none of the above

A. after passing through the condenser
B. before passing through the condenser
C. after passing through the expansion or throttle valve
D. before [entering the expansion valve
E. before entering the compressor

A. compressor
B. condenser
C. evaporator
D. expansion valve
E. all of the above

A. domestic refrigerators
B. commercial refrigerators
C. air conditioning
D. gas liquefaction
E. such a cycle does not exist

A. will be higher
B. will be lower
C. will remain unaffected
D. may be higher or lower depending upon the nature of non-condensable gases
E. unpredictable

A. non-toxic
B. non-inflammable
C. toxic and non-inflammable
D. highly toxic and inflammable
E. none of the above

A. Temperature of medium being cooled must be below that of the evaporator
B. Refrigerant leaves the condenser as liquid
C. All solar thermally operated absorption systems are capable only of intermittent operation
D. frost on evaporator reduces heat transfer
E. refrigerant is circulated in a refrigeration system to transfer heat

A. more
B. less
C. same
D. more/less depending on size of plant
E. unpredictable

A. increases COP
B. decreases COP
C. COP remains unaltered
D. other factors decide COP
E. unpredictable

Pick up the wrong statement ?
A. Tow specific heat of liquid
B. high boiling point
C. high latent heat of vaporisation
D. higher critical temperature
E. low specific volume of vapour