Vapor compression refrigeration is some what like ____________________?

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. The vapor compression refrigerator employs the following cycle_________________?

   A. Rankine
   B. Carnot
   C. Reversed Rankine
   D. Brayton
   E. Reversed Carnot

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 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

9. Air refrigeration cycle is used in ____________________?

   A. domestic refrigerators
   B. commercial refrigerators
   C. air conditioning
   D. gas liquefaction
   E. such a cycle does not exist

10. An important characteristic of absorption system of refrigeration is__________________?

    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