Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Agitated film evaporator Calenderia vertical tube evaporator Horizontal tube evaporator Long vertical evaporator Agitated film evaporator Calenderia vertical tube evaporator Horizontal tube evaporator Long vertical evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Prandtl number for water ranges from 100 to 500 1000 to 2000 5 to 10 L to 2 100 to 500 1000 to 2000 5 to 10 L to 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Minimum resistance presents in the series Sum of all resistances Maximum resistance in the series Average of all resistances Minimum resistance presents in the series Sum of all resistances Maximum resistance in the series Average of all resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would Increase Decrease First decrease and then increase First increase and then decrease Increase Decrease First decrease and then increase First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is J/M2°K W/m°K J/m°K W/m2°K J/M2°K W/m°K J/m°K W/m2°K ANSWER DOWNLOAD EXAMIANS APP