Heat Transfer For flow over a flat plate, the ratio of thermal boundary layer thickness, 'xt' and hydrodynamic boundary layer thickness 'x' is equal to (where, NPr = Prandtl number) NPr-1 NPr-1/3 NPr1/3 NPr NPr-1 NPr-1/3 NPr1/3 NPr ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to Create more suction head None of these Avoid cavitation Avoid frequent priming Create more suction head None of these Avoid cavitation Avoid frequent priming ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is more economical All of these Occupies smaller space Is easy to operate and maintain Is more economical All of these Occupies smaller space Is easy to operate and maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Convective heat transfer, in which heat is transferred by movement of warmed matter is described by Fourier's law None of these Fick's law Newton's law of cooling Fourier's law None of these Fick's law Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = h/k r = k/h r = 2k/h r = k/2h r = h/k r = k/h r = 2k/h r = k/2h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B ANSWER DOWNLOAD EXAMIANS APP
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