Heat Transfer For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it Is easy to operate and maintain All of these Is more economical Occupies smaller space Is easy to operate and maintain All of these Is more economical Occupies smaller space 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? 43.75 48.25 35.5 81.25 43.75 48.25 35.5 81.25 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Natural convection Radiation Conduction Forced convection Natural convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be < 1 1 Between 0 and 1 > 1 < 1 1 Between 0 and 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Increases Remains same May increase or decrease depending on the type of gas Decreases Increases Remains same May increase or decrease depending on the type of gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Pr and Gr Re and Gr Re and Sc Re and Pr Pr and Gr Re and Gr Re and Sc Re and Pr ANSWER DOWNLOAD EXAMIANS APP
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