Refrigeration

&

Air Conditioning

Multi

Choice

Questions

Reference:

A Textbook of Refrigeration and Air Conditioning

R. S. Khurmi J. K. Gupta

UNIT 1: Applications of Refrigeration & Air Conditioning

ANS:

UNIT 1: Refrigerants

ANS:

1 a 2 c 3 d 4 d 5 a

6 c 7 c 8 c 9 c 10 d

11 b 12 b 13 a 14 d 15 a

16 d 17 a 18 d 19 c 20 d

UNIT 2: Vapour Compression Refrigeration System

ANS:

1 b 3 d 5 d 7 c 9 a

2 b 4 a 6 d 8 c 10 d

UNIT 2: Compound Vapour Compression Refrigeration System

ANS:

1 b 2 b 3 b 4 a 5 d

UNIT 2: Vapour Absorption Refrigeration System

ANS:

1 d 2 b 3 a 4 b 5 a 6 c 7 d 8 c 9 c 10 c

11 c 12 b 13 c 14 d 15 b

UNIT 3: Multiple Pressure Refrigeration System

ANS:

1 b 2 b 3 a 4 b 5 a

UNIT 3: Cascade & Cryogenics

ANS:

1 d 2 c 3 b 4 c 5 a

UNIT 4: Psychrometry

ANS:

UNIT 4: Psychrometry: Cooling Load Estimation

ANS:

UNIT 4: Human Comfort

ANS:

UNIT 5: Air Conditioning Systems

ANS:

UNIT 5: Air Conditioning Systems: Components of Refrigeration & A/Cing Systems

Compressor

ANS:

1 d 2 a 3 a 4 b 5 c

6 a 7 c 8 a 9 d 10 d

UNIT 5: Air Conditioning Systems: Components of Refrigeration & A/Cing Systems

Condenser

ANS:

1 b 2 c 3 b 4 c 5 a 6 b 7 b 8 c 9 c 10 a

UNIT 5: Air Conditioning Systems: Components of Refrigeration & A/Cing Systems

Evaporator

ANS:

1 a 2 d 3 b 4 c 5 a

6 d 7 a 8 a 9 c 10 a

UNIT 5: Air Conditioning Systems: Components of Refrigeration & A/Cing Systems

Expansion Devices

ANS:

1 c 2 a 3 d 4 d 5 b

6 c 7 c 8 a 9 c 10 a

UNIT 6: Air Distribution System: Ducts

ANS:

UNIT 6: Air Distribution System: Air Handling Units

ANS: