Heat Transfer Rate of heat transfer by vaporisation from pools of water is affected by the All of these Surface tension of water Nature of heating surface and distribution of bubbles Viscosity of water All of these Surface tension of water Nature of heating surface and distribution of bubbles Viscosity of water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Planck's distribution law is valid for __________ bodies coloured all of the listed here black white coloured all of the listed here black white ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? None of these When fluid flows past a smooth surface At high fluid velocity At low velocity None of these When fluid flows past a smooth surface At high fluid velocity At low velocity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? All of these Effective tube surface area for convective heat transfer Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate All of these Effective tube surface area for convective heat transfer Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Highest in last effect Lowest in last effect Same in all effects Dependent on the number of effects Highest in last effect Lowest in last effect Same in all effects Dependent on the number of effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Increases May increase or decrease; depends on the feed Decreases Is not affected Increases May increase or decrease; depends on the feed Decreases Is not affected ANSWER DOWNLOAD EXAMIANS APP
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