Heat Transfer Double pipe heat exchangers are preferably useful, when Overall heat transfer co-efficient is very high Requirement of heat transfer area is low High viscosity liquid is to be cooled A corrosive liquid is to be heated Overall heat transfer co-efficient is very high Requirement of heat transfer area is low High viscosity liquid is to be cooled A corrosive liquid is to be heated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Re) (Pr) (Gz) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re)(Pr) Nu = (Re) (Pr) (Gz) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re)(Pr) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Both B & C Super Sensible Latent Both B & C Super Sensible Latent ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, Both the spheres will emit equal amount of radiation per unit time in the beginning Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning Both will absorb equal amount of radiation from the surrounding in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both B & C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 Transmissivity = 1 Absorptivity = 1 Emissivity = 0 Reflectivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids First increases upto a certain temperature and then becomes constant Increases Remains same Decreases First increases upto a certain temperature and then becomes constant Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
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