In a refrigeration cycle, the flow of refrigerant is controlled by___________________?

Related Mcqs:

1. 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

2. 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

3. 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

4. The moisture in a refrigerant is removed by___________________?

   A. evaporator
   B. safety relief valve
   C. dehumidifier
   D. driers
   E. expansion valve

5. One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

   A. in 1 hour
   B. in 1 minute
   C. in 24 hours
   D. in 12 hours
   E. in 10 hours

6. 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

7. 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

8. 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

9. 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

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