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 11 of 21

Discover more Topics under Heat Transfer

Discuss
Answer: (a).1 * 10¯¹ to 3 micron meter
Q102.
The relationship (Wavelength)MAX T = constant, between the temperature of a black body and the wavelength at which maximum value of monochromatic emissive power occurs is known as
Discuss
Answer: (d).Wein’s law
Q103.
A body at 500 K cools by radiating heat to ambient atmosphere maintained at 300 K. When the body has cooled to 400 K, the cooling rate as a percentage of original rate is about
Discuss
Answer: (a).31.1
Q104.
Two spheres A and B of same material have radius 1 m and 4 m, and temperatures 4000 K and 2000 K respectively. Then the energy radiated by sphere A is
Discuss
Answer: (c).Equal to that of sphere B
Q105.
A small body has a total emissive power of 4.5 kW/m². Determine its surface temperature of maximum emission
Discuss
Answer: (a).530.77 K
Q106.
A small black body has a total emissive power of 4.5 k W/m². In which range of the spectrum does this wavelength fall?
Discuss
Answer: (d).Infrared region
Q107.
The sun emits maximum radiation of 0.52 micron meter. Assuming the sun to be a black body, Calculate the surface temperature of the sun
Discuss
Answer: (b).5573 K
Q108.
A furnace emits radiation at 2000 K. Treating it as a black body radiation, calculate the wavelength at which emission is maximum
Discuss
Answer: (a).1.449 * 10¯βΆ m
Q109.
Four identical pieces of copper painted with different colors of paints were heated to the same temperature and then left in the environment to cool. Which of the following paint will give fast cooling?
Discuss
Answer: (c).Black
Q110.
A surface for which emissivity is constant at all temperatures and throughout the entire range of wavelength is called
Discuss
Answer: (b).Grey