Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.3 D 0.4 D 0.5 D 0.2 D 0.3 D 0.4 D 0.5 D 0.2 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration Both A and B Neither A nor B Rate of heat transfer Heat balance consideration Both A and B Neither A nor B Rate of heat transfer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch None of these Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid Tube diameter & pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect, the pressure build up will be highest at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect least at the outlet of the last effect highest at the outlet of the last effect least at the inlet of the first effect highest at the inlet of the last effect least at the outlet of the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit fluid temperature < wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature = wall temperature Exit fluid temperature < wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature = wall temperature ANSWER DOWNLOAD EXAMIANS APP