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Heat Transfer MCQ Questions & Answers | Chemical Engineering

Learn Heat Transfer MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Heat Transfer MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-6 section-4

Each section contains 100 MCQs on Heat Transfer .
51
For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone.
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Answer: Option C
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52
__________ paint has the minimum absorption co-efficient.
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Answer: Option B
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53
In case of evaporators, liquid entrainment results primarily due to
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Answer: Option C
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54
In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the
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Answer: Option B
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55
Indirect contact heat exchangers are preferred over direct contact heat exchangers, because
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Answer: Option B
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56
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.
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Answer: Option D
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57
Nucleate boiling is promoted
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Answer: Option B
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58
Black liquor generated during paper manufacture is concentrated in a
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Answer: Option C
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59
If the baffle spacing in a shell and tube heat exchanger increases, then the Reynolds number of the shell side fluid
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Answer: Option D
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60
A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70°C to 65°C in __________ minutes.
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Answer: Option B
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