Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Prandtl Stanton Nusselt Grashoff Prandtl Stanton Nusselt ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness 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 None of these Can pack more surface area into a shell of given diameter Gives a lower shell side pressure drop Gives a higher shell side pressure drop None of these Can pack more surface area into a shell of given diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased capacity Decreased steam consumption Increased steam economy Both A and B Increased capacity Decreased steam consumption Increased steam economy Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. None of these Single pass, fixed tube sheet Three pass, fixed tube sheet U-tube None of these Single pass, fixed tube sheet Three pass, fixed tube sheet U-tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.0035 0.025 3.5 5.6 0.0035 0.025 3.5 5.6 ANSWER DOWNLOAD EXAMIANS APP
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