Basic Mechanical Engineering (3110006) MCQs

MCQs of Refrigeration & Air Conditioning

Showing 31 to 30 out of 40 Questions
1 2 3 4
31.
In a split air conditioner, IDU (Indoor Unit) has
(a) compressor and condenser
(b) evaporator
(c) expansion devise and evaporator
(d) compressor, condenser and expansion device
Answer:

Option (b)

32.
In a split air conditioner, ODU (Outdoor Unit) has
(a) compressor and condenser
(b) evaporator
(c) expansion devise and evaporator
(d) compressor, condenser and expansion device
Answer:

Option (d)

33.
Split air conditioner available in the rage of
(a) 0.5 to 3 TR
(b) 5 to 10 TR
(c) 10 to 15 TR
(d) 0.1 to 0.5 TR
Answer:

Option (a)

34.
Which of the following are the advantages of a split air conditioner over window air conditioner?
(a) No compressor noise and vibrations in the room.
(b) No window opening and fixing needed.
(c) The first part can be located anywhere the room with a decorative display
(d) All of the above
Answer:

Option (d)

35.
In a window air conditioner, the expansion device is
(a) capillary tube
(b) compressor
(c) evaporator
(d) condenser
Answer:

Option (a)

36.
Performance parameter for the refrigeration system is known as
(a) Efficiency
(b) COP
(c) Effectiveness
(d) Energy ratio
Answer:

Option (b)

37.
Which is not a part of vapour compression refrigeration system?
(a) Compressor
(b) Throttle valve
(c) Evaporator
(d) Absorber
Answer:

Option (d)

38.
In the domestic refrigerators, the bank of tubes at the back of the refrigerator are
(a) condenser tubes
(b) evaporator tubes
(c) capillary tubes
(d) all of the above
Answer:

Option (a)

39.
In a vapour compression refrigeration cycle, refrigerating effect is produced by
(a) expansion valve
(b) condenser
(c) compressor
(d) evaporator
Answer:

Option (d)

40.
The refrigerant used in domestic refrigerators is generally
(a) R134a
(b) carbon dioxide
(c) oxygen
(d) ammonia
Answer:

Option (a)

Showing 31 to 30 out of 40 Questions
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