Heat Transfer With increase in temperature, the thermal conductivity of most liquids Increases First increases upto a certain temperature and then becomes constant Decreases Remains same Increases First increases upto a certain temperature and then becomes constant Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m².K. The fouling factor after one year of operation is found to be hd0 = 2000 W/m².K. The overall heat transfer co-efficient at this time is 333W/m².K 894W/m².K 287 W/m².K 1200W/m².K 333W/m².K 894W/m².K 287 W/m².K 1200W/m².K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Decreased No effect on None of these Increased Decreased No effect on None of these Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube layout No. of baffles Tube pitch Tube diameter Tube layout No. of baffles Tube pitch Tube diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Yellow paint Grey paint White paint Black paint Yellow paint Grey paint White paint Black paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Natural convection is characterised by Grashhoff number Prandtl number Reynolds number Peclet number Grashhoff number Prandtl number Reynolds number Peclet number ANSWER DOWNLOAD EXAMIANS APP
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