MCQs: LMTD in case of counter flow heat exchanger as compared-to parallel flow heat exchanger is _________________?
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MCQs: Fourier’s law of heat conduction is valid for_________________?
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MCQs: In counter flow heat exchangers_________________?
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MCQs: The concept of overall coefficient of heat transfer is used in case of heat transfer by________________?
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MCQs: Joule sec is the unit of_________________?
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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 _________________?
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MCQs: All radiations in a black body are___________________?
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MCQs: The unit of overall coefficient of heat transfer is___________________?
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MCQs: The value of the wavelength for maximum emissive power is given by ___________________?
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MCQs: Total emissivity of polished silver compared to black body is___________________?
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MCQs: The value of Prandtl number for air is about _______________________?
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MCQs: The energy distribution of an ideal reflector at higher temperatures is largely in the range of ___________________?
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MCQs: Which of the following property of air does not increase with rise in temperature ________________?
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MCQs: In free con-vection heat transfer, Nusselt number is function of________________?
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MCQs: According to Stefan-Boltzmann law, ideal radiators emit radiant energy at a rate proportional to___________________?
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MCQs: Log mean temperature difference in case of counter flow compared to parallel flow will be________________?
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MCQs: The unit of Stefan Boltzmann constant is ____________________?
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MCQs: Stefan Boltzmann law is applicable for heat transfer by __________________?
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MCQs: Thermal diffusivity of a substance is __________________?
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MCQs: The thermal diffusivities for gases are generally_____________________?
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