Heat Transfer Which of the following parameters is increased by use of finned tube in a multipass shell and tube heat exchanger? Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient All of these Effective tube surface area for convective heat transfer Tube side pressure drop and the heat transfer rate Convective heat transfer co-efficient All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both will absorb equal amount of radiation from the surrounding in the beginning Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both will absorb equal amount of radiation from the surrounding in the beginning ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity/Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Fuel is cheaply available Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Nusselt Prandtl Reynolds Biot Nusselt Prandtl Reynolds Biot ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Use of transverse baffles in a shell and tube heat exchanger is done to increase the Rate of heat transfer All of these Turbulence of shell side fluid Flow velocity Rate of heat transfer All of these Turbulence of shell side fluid Flow velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS