Vapor compression refrigeration is some what like ____________________? A. Carnot cycle B. Rankine cycle C. reversed Camot cycle D. reversed Rankine cycleE. none of the above

An important characteristic of absorption system of refrigeration is__________________? A. noisy operationB. quiet operation C. cooling below 0°C D. very little power consumption E. its input only in the form of heating

In vapour compression cycle, the conditii of refrigerant is saturated liquid________________? 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…

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 valveE. before…

The moisture in a refrigerant is removed by___________________? A. evaporator B. safety relief valve C. dehumidifierD. driers E. expansion valve

The vapor compression refrigerator employs the following cycle_________________? A. Rankine B. Carnot C. Reversed Rankine D. BraytonE. Reversed Carnot

The condensing pressure due to the presence of non-condensable gases, as compared to that actually required for condensing temperatures without non-condensable gases ____________________ ? A. will be higher B. will be lower C. will remain unaffected D. may be higher…

Allowable pressure on high-pressure side or ammonia absorption system is of the order of_________________? A. atmospheric pressure B. slightly above atmospheric pressure C. 2-4 barsD. 5-6 bars E. 7-10 bars

In S.J. unit, one ton of refrigeration is equal to___________________? A. 210 kJ/min B. 21 kJ/min C. 420 kJ/min D. 840 kJ/min E. 105 kJ/min

The boiling point of ammonia is___________________? A. -100°C B. -50°CC. – 33.3°C D. 0°C E. 33.3°C