Explore topic-wise MCQs in Refrigeration.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the S.I. unit required to measure the work done in refrigeration is?

A. Joule/kg
B. KJ/kg
C. Joule/m. s
D. Joule/s
Answer» E.
2.

1 N/mm2 = _____ mm of Hg (mercury).

A. 1
B. 256
C. 760
D. 720
Answer» D. 720
3.

What is S.I. unit of refrigeration?

A. J/min
B. KJ/s
C. KWh
D. Kg/s
Answer» C. KWh
4.

What does 35 Celsius (C) mean on Kelvin scale (K)?

A. 350
B. 135
C. 308
D. 298
Answer» D. 298
5.

The heat removing capacity of one tonne refrigeration is equal to?

A. 210 KJ/min
B. 620 KJ/min
C. 240 KJ/min
D. 430 KJ/min
Answer» B. 620 KJ/min
6.

0 Kelvin = ____ Celsius.

A. -273 C
B. 273 C
C. -273 K
D. 0 C
Answer» B. 273 C
7.

Which is the S.I. unit to measure pressure in refrigeration?

A. Newton
B. Joule
C. Pascal
D. Bar
Answer» D. Bar
8.

1 Tonne = ______ KJ/s.

A. 2.67
B. 1.087
C. 3.5
D. 232.6
Answer» D. 232.6
9.

What does 1 Tonne (TR) in refrigeration mean?

A. Weight of gases
B. Weight of coolant
C. Capacity of 1 tonne air to be cooled to 0 C in 24 hours
D. Capacity of 1 tonne water to be cooled to 0 C in 24 hours
Answer» E.