Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Interfacial tension Liquid density Liquid viscosity Hot surface temperature Interfacial tension Liquid density Liquid viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Provide support for tubes Avoid buckling of tubes Decrease the pressure drop Facilitate its lengthening, if needed Provide support for tubes Avoid buckling of tubes Decrease the pressure drop Facilitate its lengthening, if needed 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 Less heating surface Lower maintenance cost None of these More space Less heating surface Lower maintenance cost None of these More space ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Sensible heat of hot industrial flue gases can not be recovered by a/an Economiser Ceramic recuperator None of these Regenerator Economiser Ceramic recuperator None of these Regenerator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to None of these Remove water resulting from partial condensation of steam Condense the steam flowing in the pipeline Stop the supply of steam None of these Remove water resulting from partial condensation of steam Condense the steam flowing in the pipeline Stop the supply of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Both A and B Increased capacity Decreased steam consumption Increased steam economy Both A and B Increased capacity Decreased steam consumption Increased steam economy ANSWER DOWNLOAD EXAMIANS APP