Where does the lowest temperature occur in a vapour compression cycle ?

Related Mcqs:

1. 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

2. The higher temperature in vapour compression cycle occurs at____________________?

   A. receiver
   B. expansion valve
   C. evaporator
   D. condenser discharge
   E. compressor discharge

3. 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 the compressor

4. Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?

   A. electrically operated throttling valve
   B. manually operated valve
   C. thermostatic valve
   D. capillary tube
   E. expansion valve.

5. The value of COP in vapour compression cycle is usually__________________?

   A. always less than unity
   B. always more than unity
   C. equal to unity
   D. any one of the above
   E. none of the above

6. In vapour compression cycle using NH3 as refrigerant, initial charge is filled at_________________?

   A. suction of compressor
   B. delivery of compressor
   C. high pressure side close to receiver
   D. low pressure side near receiver
   E. anywhere in the cycle

7. A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of- 23°C. The Cannot coefficient of performance of cycle will be_________________?

   A. 0.2
   B. 1.2
   C. 5
   D. 6
   E. 10

8. 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

9. 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

10. 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