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MCQs: Total emissivity of polished silver compared to black body is___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The value of Prandtl number for air is about _______________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The energy distribution of an ideal reflector at higher temperatures is largely in the range of ___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Which of the following property of air does not increase with rise in temperature ________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In free con-vection heat transfer, Nusselt number is function of________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: According to Stefan-Boltzmann law, ideal radiators emit radiant energy at a rate proportional to___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Log mean temperature difference in case of counter flow compared to parallel flow will be________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The unit of Stefan Boltzmann constant is ____________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Stefan Boltzmann law is applicable for heat transfer by __________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Thermal diffusivity of a substance is __________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The thermal diffusivities for gases are generally_____________________?
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: Planck’s law holds good for________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: A perfect black body is one which_______________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: In regenerator type heat exchanger, heat transfer takes place by___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by ___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Depending on the radiating properties, body will be transparent when________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: Absorptivity of a body will be equal to its emissivity___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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MCQs: The amount of radiation mainly depends on___________________?
Category: Mechanical Engineering Questions, Published by: teswesm
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