Heat Transfer Viscosity of gases __________ with increase in temperature. Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Increases Remains unchanged May increase or decrease; depends on the liquid Decreases Increases Remains unchanged May increase or decrease; depends on the liquid Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kg of liquid evaporated per hour in an evaporator is defined as its Economy Capacity Steam load None of these Economy Capacity Steam load None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Brinkman number Peclet number Schmidt number Stanton number Brinkman number Peclet number Schmidt number Stanton number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 81.25 35.5 48.25 43.75 81.25 35.5 48.25 43.75 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Provide support for tubes Facilitate its lengthening, if needed Avoid buckling of tubes Decrease the pressure drop Provide support for tubes Facilitate its lengthening, if needed Avoid buckling of tubes Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
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