Convective Heat Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Convective Heat Transfer, a fundamental topic in the field of Heat Transfer. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Convective Heat Transfer 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 Convective Heat Transfer mcq questions that explore various aspects of Convective Heat Transfer problems. Each MCQ is crafted to challenge your understanding of Convective Heat Transfer principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Heat Transfer tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Convective Heat Transfer MCQs are your pathway to success in mastering this essential Heat Transfer topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Convective Heat Transfer. 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 Convective Heat Transfer knowledge to the test? Let's get started with our carefully curated MCQs!

Convective Heat Transfer MCQs | Page 2 of 7

Q11.
Conduction plus fluid flow in motion is known as
Discuss
Answer: (c).Convection
Q12.
How many types of convection are there?

a.

4

b.

3

c.

2

d.

1

Discuss
Answer: (b).3
Discuss
Answer: (d).Cooling of billets in atmosphere
Discuss
Answer: (b).Fluid passing through the tubes of a condenser and other heat exchange equipment
Discuss
Answer: (a).Intense stirring by an external agency
Q16.
A finned tube hot water radiator with a fan blowing air over it is kept in rooms during winter. The major portion of the heat transfer from the radiation is due to
Discuss
Answer: (d).Convection to the air
Q17.
A body cooling from 80 degree Celsius to 70 degree Celsius takes 10 minutes when left exposed to environmental conditions. If the body is to cool further from 70 degree Celsius to 60 degree Celsius under the same external conditions, it will take
Discuss
Answer: (b).More than 10 minutes
Discuss
Answer: (d).Air is transparent to radiation and hence it is cooler than the body
Q19.
What is the value of convective coefficient of oil in case of forced convection?
Discuss
Answer: (c).60-3000 W/m² K
Q20.
A sphere, a cube and a thin circular plate, all made of the same material and having the same mass are initially heated to the temperature of 250 degree Celsius. When left in air at room temperature, what will be their response to cooling?
Discuss
Answer: (a).Cube will cool faster than sphere but slower than the circular plate
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