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 a shell and tube heat exchanger, square pitch compared to triangular pitch Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation occurs on __________ surfaces contaminated cooling smooth clean polished clean and dirt free contaminated cooling smooth clean polished clean and dirt free ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer All of these Convective heat transfer co-efficient Tube side pressure drop and the heat transfer rate Effective tube surface area for convective heat transfer All of these Convective heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Transmits None of these Absorbs Reflects Transmits None of these Absorbs Reflects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is 88.66 1.66 3.66 Dependent on NRe only 88.66 1.66 3.66 Dependent on NRe only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS