Heat Transfer Prandtl number for most of dry gases is about 70 150 0.72 0.001 70 150 0.72 0.001 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower capacity Both A & B Higher economy Lower economy Lower capacity Both A & B Higher economy Lower economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx . εy Εx + εy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 2Gz0.5 Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = 2Gz0.5 Nu = Gz Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Grashoff number, which is defined as g . β(Ts - T∞) ρ². L³/μ², is proportional to the ratio of buoyancy force to __________ force. Inertial None of these Elastic Viscous Inertial None of these Elastic Viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Temperature difference Heat transfer area Thermal conductivity Thickness Temperature difference Heat transfer area Thermal conductivity Thickness ANSWER DOWNLOAD EXAMIANS APP
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