Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Wavelength of radiation Temperature of the body Nature of the body None of these Wavelength of radiation Temperature of the body Nature of the body None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Higher tube side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher shell side heat transfer co-efficient Higher tube side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost None of these Less heating surface More space Lower maintenance cost None of these Less heating surface More space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Both B and C Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Both B and C Thermal or pressure mass diffusion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Stefen's block body radiation law can also be derived from __________ law. Kirchoffs Fourier's Planck's None of these Kirchoffs Fourier's Planck's None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used because it is less costly because it occupies less floor area when heat transfer area required is very low when heat transfer area required is very high because it is less costly because it occupies less floor area when heat transfer area required is very low when heat transfer area required is very high ANSWER DOWNLOAD EXAMIANS APP
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