Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation Liquor-film co-efficient Neither A and B Both A and B Velocity of circulation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Turbulent Laminar Creeping Transition region Turbulent Laminar Creeping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Viscous heating or chemical reaction Both B and C Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Both B and C Thermal or pressure mass diffusion Same velocity profile or equal eddy diffusivities 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. U-tube Single pass, fixed tube sheet None of these Three pass, fixed tube sheet U-tube Single pass, fixed tube sheet None of these Three pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α ≠ 1, ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε = 1 α = 1; ε ≠ 1 α ≠ 1, ε = 1 α ≠ 1, ε ≠ 1 α = 1; ε = 1 α = 1; ε ≠ 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Density Pressure Viscosity Corrosiveness & fouling characteristics Density Pressure Viscosity Corrosiveness & fouling characteristics ANSWER DOWNLOAD EXAMIANS APP