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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-1 section-5

Each section contains 100 MCQs on Heat Transfer .
1
A __________ evaporator employs an annular downtake.
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Answer & Solution
Answer: Option A
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2
During crystallisation, formation of crystal can occur in __________ solution only.
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Answer: Option B
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3
Analogy between mass and heat transfer is not applicable in case of
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Answer: Option D
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4
Heat transfer rate per unit area is called
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Answer: Option B
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5
In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of
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Answer & Solution
Answer: Option B
Solution:
In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of

Chemical potentials

In the context of mass transfer, equilibrium is achieved when the chemical potential of a substance is the same in both phases. This ensures that there is no net mass transfer between the phases, just as thermal equilibrium requires equal temperatures to prevent heat transfer.

Therefore, the correct answer is Option B: Chemical potentials.
6
Heat flux is the time rate of heat transfer per unit
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Answer: Option B
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7
Radiation heat transfer rates does not depend upon the
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Answer: Option D
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8
A multiple effect evaporator as compared to a single effect evaporator of the same capacity has
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Answer: Option C
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9
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface temperature follows __________ law.
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Answer: Option C
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10
Nusselt number is the ratio of the temperature gradient at the wall to
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Answer: Option C
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