Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is < 1 1 > 5 > 1 < 1 1 > 5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by Free and forced convection Forced convection and conduction Conduction only Forced convection only Free and forced convection Forced convection and conduction Conduction only Forced convection only ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. >10 10 Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Increased economy Decreased economy No effect on economy Lower capacity Increased economy Decreased economy No effect on economy Lower capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would Decrease First increase and then decrease Increase First decrease and then increase Decrease First increase and then decrease Increase First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Viscosity Super-saturation Concentration Density Viscosity Super-saturation Concentration Density ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS