Heat Transfer Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Heat Transfer Basics, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Heat Transfer Basics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Heat Transfer Basics mcq questions that explore various aspects of Heat Transfer Basics problems. Each MCQ is crafted to challenge your understanding of Heat Transfer Basics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Heat Transfer Basics MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Heat Transfer Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Heat Transfer Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Heat Transfer Basics MCQs | Page 2 of 53

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Q11.
Thermal diffusivity is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q12.
At steady state the temperature variation in a plane wall, made of two different solids I & II is shown below. The thermal conductivity of material I

a.

is smaller than that of II.

b.

is greater than that of II.

c.

is equal to that of II.

d.

can be greater than or smaller than that of II.

Discuss
Answer: (a).is smaller than that of II.
Q13.
In case of surface condensers, a straight line is obtained on plotting 1/U vs __________ on an ordinary graph paper.

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q14.
Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q15.
For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q16.
Following number is called the __________ number.

a.

Peclet

b.

Stanton

c.

Graetz

d.

none of these

Discuss
Answer: (c).Graetz
Q17.
What is the logarithmic mean of r1 and r2 ?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q18.
The following equation is the __________ analogy.

a.

Colburn

b.

Reynolds

c.

Prandtl

d.

None of these

Discuss
Answer: (a).Colburn
Q19.
The number given below is termed as the __________ number.

a.

Grashoff

b.

Nusselt

c.

Prandtl

d.

Stanton

Discuss
Answer: (c).Prandtl
Q20.
Heat transfer co-efficient (h) for a fluid flowing inside a clean pipe is given by following equation. This is valid for the value of NRe equal to

a.

< 2100

b.

2100-4000

c.

> 4000

d.

> 10000

Discuss
Answer: (d).> 10000
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