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Test: Black Body - Mechanical Engineering MCQ


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10 Questions MCQ Test Heat Transfer - Test: Black Body

Test: Black Body for Mechanical Engineering 2024 is part of Heat Transfer preparation. The Test: Black Body questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The Test: Black Body MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Black Body below.
Solutions of Test: Black Body questions in English are available as part of our Heat Transfer for Mechanical Engineering & Test: Black Body solutions in Hindi for Heat Transfer course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt Test: Black Body | 10 questions in 10 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study Heat Transfer for Mechanical Engineering Exam | Download free PDF with solutions
Test: Black Body - Question 1
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Radiation heat transfer is characterized by

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EM waves is characterized by radiant heat transfer.

Test: Black Body - Question 2
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Which is true regarding radiation?

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It is true that radiation travels in medium or without medium.

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Test: Black Body - Question 3
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Radiation exchange occurs in

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It occurs more effectively only in vacuum.

Test: Black Body - Question 4
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Energy released by a radiating surface is not continuous but is in the form of successive and separate packets of energy called
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The photons are propagated through space as rays.

Test: Black Body - Question 5
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The electromagnetic waves are emitted as a result of
(i) Vibrational movement
(ii) Rotational movement
(iii)Atomic or sub-atomic particles comprising the matter
Identify the correct statement
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The emission occurs when the body is excited by an oscillating electrical signal.

Test: Black Body - Question 6
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Thermal radiations occur in the portion of electromagnetic spectrum between the wavelengths
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The radiation waves propagates with the speed of light, and their wavelength ranges from 0.1 to 100 micron meter.

Test: Black Body - Question 7
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A perfectly black body
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A black body is a perfect emitter and absorber.

Test: Black Body - Question 8
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What is the wavelength band for cosmic rays?
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This is its maximum wavelength.

Test: Black Body - Question 9
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For a prescribed wavelength a black body radiates how much energy at the temperature of body?
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A black body neither reflects nor transmits any amount of incident radiations.

Test: Black Body - Question 10
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“Radiation emitted by a black surface is a function of wavelength and temperature but is independent of direction”. Choose the correct answer
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The black body is a diffused emitter.

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Black Body MCQs with Answers

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