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MCQs: Thermal conductivity of wood depends on_______________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Film coefficient is defined as Inside diameter of tube________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Unit of thermal diffusivity is_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as ________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: A grey body is one whose absorptivity_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Heat conducted througfi unit area and unit thick face per unit time when temperature difference between opposite faces is unity,is called__________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Two balls of same material and finish have their diameters in the ratio of 2 : 1 and both are heated to same temperature and allowed to cool by radiation. Rate of cooling by big ball as compared to smaller one will be in the ratio of____________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Emissivity of a white polished body in comparison to a black body is________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: A non-dimensional number generally associated with natural convection heat transfer is________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In heat exchangers, degree of approach is defined as the difference between temperatures of________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: A steam pipe is to be insulated by two insulating materials put over each other . For best results__________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: According of Kirchhoff’s law______________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: LMTD in case of counter flow heat exchanger as compared-to parallel flow heat exchanger is _________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Fourier’s law of heat conduction is valid for_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In counter flow heat exchangers_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Joule sec is the unit of_________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: According to Kirchoff’s law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a _________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: All radiations in a black body are___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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