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 What is the steam economy in case of a single effect evaporator system? < 1 1 0.1 >1 < 1 1 0.1 >1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single evaporator system, the steam economy __________ by creating vacuum in the evaporator. May increase or decrease, depends on the vacuum Increases Decreases Remains constant May increase or decrease, depends on the vacuum Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted In the absence of agitation None of these On rough surfaces On polished surfaces In the absence of agitation None of these On rough surfaces On polished surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 20.8 20.4 40.4 40.8 20.8 20.4 40.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to reduce the capacity reduce the economy all of the listed here increase the economy reduce the capacity reduce the economy all of the listed here increase the economy ANSWER DOWNLOAD EXAMIANS APP