Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is 1 > 1 None of these < 1 1 > 1 None of these < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted An oily surface None of these Only in presence of air When both the steam and the tube are clean An oily surface None of these Only in presence of air When both the steam and the tube are clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a boiling curve, the peak heat flux is called the __________ point. Boiling Leidenfrost Nusselt Burnout Boiling Leidenfrost Nusselt Burnout ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the None of these Temperature gradient produced due to density difference Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer None of these Temperature gradient produced due to density difference Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For concentrating an aqueous solution of a material like anhydrous Na₂SO₄, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator. High pressure None of these Vacuum Backward feed High pressure None of these Vacuum Backward feed ANSWER DOWNLOAD EXAMIANS APP
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