Heat Transfer In Fourier's law, the proportionality constant is called the Stefan-Boltzman constant Thermal conductivity Heat transfer co-efficient Thermal diffusivity Stefan-Boltzman constant Thermal conductivity Heat transfer co-efficient Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost None of these Less heating surface More space Lower maintenance cost None of these Less heating surface More space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity At low velocity When fluid flows past a smooth surface None of these At high fluid velocity At low velocity When fluid flows past a smooth surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Admit the feed Remove the product Facilitate removal of non-condensable gases Create vacuum Admit the feed Remove the product Facilitate removal of non-condensable gases Create vacuum ANSWER DOWNLOAD EXAMIANS APP
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 Long vertical evaporator Horizontal tube evaporator Agitated film evaporator Calenderia vertical tube evaporator Long vertical evaporator Horizontal tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour is desirable to increase the film co-efficient decreases thermal resistance increases the rate of condensation None of the listed here is desirable to increase the film co-efficient decreases thermal resistance increases the rate of condensation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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