Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Zero Unity Same for all wavelengths Different for all wavelengths Zero Unity Same for all wavelengths ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Nature of the body None of these Temperature of the body Wavelength of radiation Nature of the body None of these Temperature of the body Wavelength of radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffles are provided in heat exchangers to increase the Heat transfer rate Fouling factor Heat transfer area Heat transfer co-efficient Heat transfer rate Fouling factor Heat transfer area Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Neither A nor B Rate of heat transfer Both A and B Heat balance consideration Neither A nor B Rate of heat transfer Both A and B Heat balance consideration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 3.66 Dependent on NRe only 88.66 1.66 3.66 Dependent on NRe only 88.66 1.66 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heat transfer area None of these Heating volume Nusselt number Heat transfer area None of these Heating volume Nusselt number ANSWER DOWNLOAD EXAMIANS APP
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