Heat Transfer MCQs | Page - 99

Dear candidates you will find MCQ questions of Heat Transfer here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 52.55K Points
Coach

Q. A correction of LMTD is necessary in case of

(A) Parallel flow heat exchanger
(B) Counter current heat exchanger
(C) Cross flow heat exchanger
(D) All of the above
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M

Mr. Dubey • 52.55K Points
Coach

Q. The dimensions of thermal conductivity are

(A) MLT-3 ?-1
(B) MLT?3
(C) ML-1T2 ?
(D) MLT2 ?2
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M

Mr. Dubey • 52.55K Points
Coach

Q. In which of the following heat exchange process, the value of overall heat transfer coefficient will be highest?

(A) Air to carbondioxide
(B) Air to heavy tars
(C) 37,500 kg
(D) Steam condensers
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M

Mr. Dubey • 52.55K Points
Coach

Q. A grey body has emissivity

(A) 37,500 kg
(B) 1
(C) less than 1
(D) more than 1
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M

Mr. Dubey • 52.55K Points
Coach

Q. The density of water is maximum at

(A) Absolute zero
(B) 20?C
(C) 0?C
(D) 4?C
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M

Mr. Dubey • 52.55K Points
Coach

Q. A thin circulr disc has a concentric hole in it. On heating the diameter of hole will

(A) decrease
(B) remain constant
(C) 37,500 kg
(D) increase
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