Heat Transfer MCQs
Practice free Heat Transfer multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 576 questions — no login required.
Question 91medium
In a heat exchanger, floating head is provided to
Question 92medium
Heat transfer rate described by Fourier's law will decrease, if the __________ increases.
Question 93hard
In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
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Question 94medium
In forced convection, the heat transfer depends on
Question 95hard
The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by
Question 96hard
The equation, $${{\text{N}}_{{\text{st}}}} = \frac{{\text{f}}}{2},$$ is the __________ analogy.
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Question 97hard
The equation, $${{\text{N}}_{{\text{st}}}} \times {\text{N}}_{{\text{pr}}}^{\frac{2}{3}} = \frac{{\text{f}}}{2},$$ is the __________ analogy.
Question 98hard
Controlling heat transfer film co-efficient is the one, which offers __________ resistance to heat transfer.
Question 99hard
In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger.