Heat and Mass Transfer In a heat exchanger with one fluid evaporating or condensing, the surface area required is least in Cross flow Counter flow Parallel flow All of these Cross flow Counter flow Parallel flow All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as Forced convection Radiation Conduction Free convection Forced convection Radiation Conduction Free convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The time constant of a thermocouple is The time taken to attain 50% of the value of initial temperature difference The time taken to attain the final temperature to be measured Determined by the time taken to reach 100°C from 0°C The time taken to attain 63.2% of the value of initial temperature difference The time taken to attain 50% of the value of initial temperature difference The time taken to attain the final temperature to be measured Determined by the time taken to reach 100°C from 0°C The time taken to attain 63.2% of the value of initial temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer, Nusselt number is function of Prandtl number and Reynold number Grashoff number, Prandtl number and Reynold number Grashoff number and Prandtl number Grashoff number and Reynold number Prandtl number and Reynold number Grashoff number, Prandtl number and Reynold number Grashoff number and Prandtl number Grashoff number and Reynold number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Stefan Boltzmann law is applicable for heat transfer by Radiation Convection Conduction Conduction and radiation combined Radiation Convection Conduction Conduction and radiation combined ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is transferred by all three modes of transfer, viz. conduction, convection and radiation in Electric heater Boiler Steam condenser Refrigerator condenser coils Electric heater Boiler Steam condenser Refrigerator condenser coils ANSWER DOWNLOAD EXAMIANS APP
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