Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Neither A nor B Scaling characteristics Both A & B High viscosity Neither A nor B Scaling characteristics Both A & B High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 14.6 kW/m² 11.2 kW/m² 16.5 kW/m² 12.0 kW/m² 14.6 kW/m² 11.2 kW/m² 16.5 kW/m² 12.0 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to (where, f = Fanning friction factor) f f/2 f/4 2f f f/2 f/4 2f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.6 to 120 0.06 to 120 1 to 103 l to 50 0.6 to 120 0.06 to 120 1 to 103 l to 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Decrease the pressure drop Provide support for tubes Facilitate its lengthening, if needed Avoid buckling of tubes Decrease the pressure drop Provide support for tubes Facilitate its lengthening, if needed Avoid buckling of tubes ANSWER DOWNLOAD EXAMIANS APP
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