MCQs: What should be the Biot number to assume the body at uniform temperature?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The cooling of a metal ball of volume V, in large quantity of fluid is analogous to
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MCQs: If there are no externally induced flow velocities, then the Nusselt number (Nu) does not depend upon
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MCQs: The Grashof number in natural convection plays same role as
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MCQs: When is the arithmetic mean temperature difference of heat exchanger used instead of LMTD?
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MCQs: How can the arithmetic mean temperature difference and LMTD of a same heat exchanger be compared?
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MCQs: For the same inlet and exit temperatures of two fluids, the LMTD for counterflow is always
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MCQs: In parallel flow heat exchangers,
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MCQs: Consider a plane wall of finite thickness having energy generation in it. The sum of the rate of heat energy generation in the wall and rate of energy transfer by conduction into the wall is equal to
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MCQs: What is the purpose of using fins in a particular heat transfer system?
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MCQs: Temperature at the end tip of the fin having uniform cross-sectional area is
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MCQs: In the process of heat transfer through extended surfaces or fins, the entire surface area is at
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MCQs: What is the relation between the intensity of radiation and the thickness of the layer, in case of gas?
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MCQs: 90% of the incident radiation on glass in the visible range is
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MCQs: In greenhouse effect, the only infrared radiations
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MCQs: How is the greenhouse effect experienced on earth?
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MCQs: In desert areas, there is large difference between day and night temperatures mainly because of
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MCQs: How is the cooling at night in coastal areas?
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MCQs: The radiation energy from the sun is produced by
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MCQs: The rate at which the solar energy reaching the earth's atmosphere is called as
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