Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Geometric Arithmetic Logarithmic Either A, B or C Geometric Arithmetic Logarithmic Either A, B or C 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 None of these Lower maintenance cost Less heating surface More space None of these Lower maintenance cost Less heating surface More space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the True temperature drop increases Both B and C Capacity of the evaporator is increased Capacity of the evaporator is decreased True temperature drop increases Both B and C Capacity of the evaporator is increased Capacity of the evaporator is decreased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by mCp/kL mCp/kμ kμ/mCp kL/mCp mCp/kL mCp/kμ kμ/mCp kL/mCp ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to None of these Increase temperature Remove condensate Increase pressure None of these Increase temperature Remove condensate Increase pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged Increase Either increase or decrease; depends on the coolant flow rate Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
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