Heat Transfer MCQ Questions & Answers

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Each section contains 100 MCQs on Heat Transfer .

Economy of a multiple effect evaporator depends upon the

A) Heat balance consideration B) Rate of heat transfer C) Both A and B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a forward feed multiple effect evaporator, the pressure is

A) Highest in last effect B) Lowest in last effect C) Same in all effects D) Dependent on the number of effects

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Heat produced when a steady state current, $$I$$ passes through an electrical conductor having resistance, 'R' is

A) $$I{\text{R}}$$ B) $${I^2}{\text{R}}$$ C) $$I{{\text{R}}^2}$$ D) $${I^2}{{\text{R}}^2}$$

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate.

A) Geometric B) Arithmetic C) Logarithmic D) Either A, B or C

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The most conducive surface for dropwise condensation to occur is the __________ surface.

A) Coated B) Oily C) Glazed & polished D) Smooth

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The non-dimensional temperature gradient in a liquid at the wall of a pipe is the

A) Heat flux B) Nusselt number C) Prandtl number D) Schmidt number

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Correction is applied to LMTD for __________ flow.

A) Parallel B) Counter C) Cross D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The range of electromagnetic spectrum important in heat transfer by radiation is __________ microns.

A) 0.38-0.78 B) 0.5-50 C) 100-1000 D) 5-50

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A black body does not __________ radiation.

A) Absorb or emit B) Refract C) Reflect D) Both B & C

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling?

A) Square pitch B) Triangular pitch C) Diagonal square pitch D) None of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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Heat Transfer MCQ Questions & Answers | Chemical Engineering