Heat Transfer Value of Prandtl number for water ranges from 100 to 500 5 to 10 L to 2 1000 to 2000 100 to 500 5 to 10 L to 2 1000 to 2000 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 = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Arithmetic Either A, B or C Geometric Logarithmic Arithmetic Either A, B or C Geometric Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for A black body Polished bodies only Black painted bodies only All bodies A black body Polished bodies only Black painted bodies only All bodies ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only Total radiation only Only volumes and not to surfaces Both A and B Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP