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 Temperature of the body Wavelength of radiation None of these Nature of the body Temperature of the body Wavelength of radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 1 < 1 >1 0.1 1 < 1 >1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Facilitate easy cleaning of tubes None of these Purge the condenser Remove non-condensable gases Facilitate easy cleaning of tubes None of these Purge the condenser Remove non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate All of these Convective heat transfer co-efficient Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate All of these Convective heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 10 2 0.5 100 10 2 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Avoid buckling of tubes Facilitate its lengthening, if needed Decrease the pressure drop Provide support for tubes Avoid buckling of tubes Facilitate its lengthening, if needed Decrease the pressure drop Provide support for tubes ANSWER DOWNLOAD EXAMIANS APP