Heat Radiation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Heat Radiation, 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 Heat Radiation 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 Radiation mcq questions that explore various aspects of Heat Radiation problems. Each MCQ is crafted to challenge your understanding of Heat Radiation 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 Heat Radiation 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 Heat Radiation. 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 Radiation knowledge to the test? Let's get started with our carefully curated MCQs!

Heat Radiation MCQs | Page 16 of 21

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Q151.
Amount of heat energy radiated by unit surface of the sun in the same time workout as
Take, R = mean distance of earth from the sun and r = radius of sun
Discuss
Answer: (b).E = 4 Ο€ R² S/4 Ο€ R²
Discuss
Answer: (a).Wein’s displacement law
Q153.
The temperature of the photosphere, referred to as the effective temperature of the sun, is usually taken as
Discuss
Answer: (d).6000 K
Q154.
The approximate distribution of the flow of sun’s energy to the earth’s surface is
Discuss
Answer: (c).9% is scattered
Q155.
The solar radiation that is felt at the earth’s surface includes

(i) Direct radiation that has passed through the atmosphere

(ii) Diffuse radiation from the sky

(iii) Absorbed radiation from the water

Identify the correct statement
Discuss
Answer: (b).1 and 2
Q156.
When the sun lies at a mean distance from the earth, the heat flux from the sun to the outer edge of the atmosphere has been found to be
Discuss
Answer: (d).1350 W/m²
Q157.
Which one is having highest value of solar absorptivity?
Discuss
Answer: (c).Asphalt
Q158.
What is the value of solar absorptivity for aluminum foil?
Discuss
Answer: (a).0.15
Q159.
What is the value of solar absorptivity for polished copper?
Discuss
Answer: (b).0.18
Q160.
Which one is having lowest value of solar absorptivity?
Discuss
Answer: (d).Polished aluminum