D-None of the above
Correct Answer:- Option-C
QuestionS0:-The device which divides the high pressure side and the low pressure side of a refrigerating system is known as
‘A-Condenser
B:-Evaporator
CeReceiver
Expansion device
Correct Answer:- Option-D
QuestionS1:-The leakage in a refrigeration system using ammonia is detected by
‘AcHalide torch
B:-Sulphur sticks
೦-5೦೩) ೩0ರ water
D-All of these
Correct Answer:- Option ®
QuestionS2:-One ton of refrigeration is equal to
%:2680,000 BTU/hr
B:-20,000 BTU/hr
012,000 BTU/hr
०-200 शाक
Correct Answer:- Option-C
वि undesirable property of a refrigerant is,
‘Ac Non toxic
B:-Non flammable
‏وماق‎ explosive
D-High boiling point
Correct Answer:- Option-D
QuestionS4:-The conditioned air supplied to the room must have the capacity to take up
‘A-Room sensible heat load only
B:-Room latent heat load only
C=Both room sensible heat and latent heat loads
D-None of the above
Correct Answer:- Option-C
QuestionS5:-Thermostatic expansion valve is used to maintain
‘AcConstant degree of superheat
B:-Constant degree of sub-cooling
C:Constant degree of superheat and sub-cooling
D-None of these
Correct Answer:- Option-é
QuestionS6:-n a refrigeration system, why are expansion devices located closer to the evaporator ?
‘Aco avoid the flow of refrigerant
B:-To minimize the heat gain
೦:70 ease the flow of refrigerant
Do maximize the heat gain
Correct Answer:- Option ®
QuestionS7:-The window type AC is installed slight slanting at the back. What is the reason for doing so ?
‘Aco get more airflow on condenser surface
B:-To minimize sound level due to vibration
‏متي‎ make condensate water flow into the drain pipe
0:76 get more cooling effect inside the room

Correct Answer: Option-C