Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 < 1 1 Between 0 and 1 > 1 < 1 1 Between 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 30 1 20 10 30 1 20 10 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Increase Remain unchanged Decrease Either increase or decrease; depends on the coolant flow rate Increase Remain unchanged Decrease Either increase or decrease; depends on the coolant flow rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of evaporation Rate of vaporisation Economy Capacity Rate of evaporation Rate of vaporisation Economy Capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Interfacial tension Hot surface temperature Liquid density Liquid viscosity Interfacial tension Hot surface temperature Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant ANSWER DOWNLOAD EXAMIANS APP
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