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Aptitude
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Verbal Reasoning
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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Mechanical Engineering
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Heat Transfer, Refrigeration and Air Conditioning
A perfect black body is one which
is black in colour
absorbs heat radiations of all wave lengths falling on it
reflects all the heat radiations
transmits the heat radiations
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Correct Answer:
absorbs heat radiations of all wave lengths falling on it
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