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Heat Transfer MCQs | Page - 10
Dear candidates you will find MCQ questions of Heat Transfer here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place
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Q. At what value of Prandtl number, the hydrodynamic and thermal boundary layers of a fluid flowing over a heated plate will be identical?
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Q. In a backward feed multiple effect evaporator
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Q. Which type of heat exchanger is preferred for heavy heat loads?
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Q. A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large.
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Q. Boiling point elevation of an ideal solution
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Q. The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is
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Q. Pick out the wrong statement.
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Q. A body is called grey if the monochromatic emissivity of the body is
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