A. Carnot cycle
B. Rankine cycle
C. reversed Camot cycle
D. reversed Rankine cycle
E. none of the above
Vapor compression refrigeration is some what like ____________________? Read More »
Refrigeration and Air Conditioning A. noisy operation
B. quiet operation
C. cooling below 0°C
D. very little power consumption
E. its input only in the form of heating
An important characteristic of absorption system of refrigeration is__________________? Read More »
Refrigeration and Air Conditioning A. after passing through the condenser
B. before passing through the condensei
C. after passing through the expansion throttle valve
D. before entering the expansion valve
E. before entering the compressor
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. evaporator
B. safety relief valve
C. dehumidifier
D. driers
E. expansion valve
The moisture in a refrigerant is removed by___________________? Read More »
Refrigeration and Air Conditioning A. Rankine
B. Carnot
C. Reversed Rankine
D. Brayton
E. Reversed Carnot
The vapor compression refrigerator employs the following cycle_________________? Read More »
Refrigeration and Air Conditioning 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. atmospheric pressure
B. slightly above atmospheric pressure
C. 2-4 bars
D. 5-6 bars
E. 7-10 bars
A. 210 kJ/min
B. 21 kJ/min
C. 420 kJ/min
D. 840 kJ/min
E. 105 kJ/min
In S.J. unit, one ton of refrigeration is equal to___________________? Read More »
Refrigeration and Air Conditioning A. -100°C
B. -50°C
C. – 33.3°C
D. 0°C
E. 33.3°C
The boiling point of ammonia is___________________? Read More »
Refrigeration and Air Conditioning