A. lower than atmospheric pressure
B. higher than atmospheric pressure
C. equal to atmospheric pressure
D. could be anything
E. none of the above
Related Mcqs:
- In vapor compression cycle, the condition of refrigerant is high pressure saturated liquid________________?
A. after passing through the condenser
B. before passing through the condenser
C. after passing through the expansion or thiottle valve
D. before entering the expansion valve
E. before entering the compressor - In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be_________________?
A. high, of the order of 25°
B. as low as possible (3 to 11°C)
C. zero
D. any value
E. none of the above - In vapor compression cycle, the condition of refrigerant is very wet vapor________________?
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 - In vapor compression cycle the condition off refrigerant is dry saturated vapor________________?
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 - In vapor compression refrigeration system, refrigerant occurs as liquid between_________________?
A. condenser and expansion valve
B. compressor and evaporator
C. expansion valve and evaporator
D. compressor and condenser
E. none of the above - In a vapor compression cycle, the refrigerant immediately after expansion valve is___________________?
A. liquid
B. sub-cooled liquid
C. saturated liquid
D. wet vapour
E. dry vapour - A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is________________?
A. Ammonia
B. Carbon dioxide
C. Freon
D. Brine
E. Hydrocarbon refrigerant - The COP of a vapor compression plant in comparison to vapor absorption plant is ________________?
A. more
B. less
C. same
D. more/less depending on size of plant
E. unpredictable - In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?
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 - Aqua ammonia is used as refrigerant in the following type of refrigeration system_________________?
A. compression
B. direct
C. indirect
D. absorption
E. none of the above
