Heat Transfer Thermal conductivity of a conducting solid material depends upon its porosity temperature None of the listed here both temperature & porosity porosity temperature None of the listed here both temperature & porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to Avoid frequent priming Create more suction head None of these Avoid cavitation Avoid frequent priming Create more suction head None of these Avoid cavitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.4 D 0.3 D 0.5 D 0.2 D 0.4 D 0.3 D 0.5 D 0.2 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. None of these Vacuum Backward feed High pressure None of these Vacuum Backward feed High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions ? Assume that the conductive heat transfer co-efficient is infinitely large. 20 minutes 10 minutes 5 minutes 40 minutes 20 minutes 10 minutes 5 minutes 40 minutes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate described by Fourier's law will decrease, if the __________ increases. Temperature difference Heat transfer area Thickness Thermal conductivity Temperature difference Heat transfer area Thickness Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS