A domestic refrigerator has a/an ____________ cooled condenser?

Related Mcqs:

1. The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

   A. Less
   B. More
   C. Same
   D. Dependent on climatic conditions

2. Domestic refrigerator usually works on the _____________ refrigeration cycle?

   A. Carnot
   B. Air
   C. Absorption
   D. vapour-ejection

3. In a working refrigerator, the value of COP is always__________________?

   A. 0
   B. < 0
   C. < 1
   D. > 1

4. A refrigerator may be termed as a____________________?

   A. Heat pump
   B. Heat engine
   C. Carnot engine
   D. None of these

5. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?

   A. Increase
   B. Decrease
   C. Remain same
   D. Increase in summer and will decrease in winter

6. Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?

   A. Work required to refrigeration obtained
   B. Refrigeration obtained to the work required
   C. Lower to higher temperature
   D. Higher to lower temperature

7. Refrigeration capacity of a household refrigerator may be round about _____________ tons?

   A. 0.15
   B. 1.5
   C. 4.5
   D. 6.5

8. COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about____________________?

   A. 0.5
   B. 3.5
   C. 4.5
   D. 8.5

9. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be________________?

   A. 5.2
   B. 6.2
   C. 0.168
   D. Data insufficient, can’t be found out

10. The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is__________________?

    A. Less pronounced
    B. More pronounced
    C. Equal
    D. Data insufficient, can’t be predicted