Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Depth of liquid over heating surface Feed All of these Pressure difference between steam chest and vapour space Depth of liquid over heating surface Feed All of these Pressure difference between steam chest and vapour space 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? Viscosity Pressure Density Corrosiveness & fouling characteristics Viscosity Pressure Density Corrosiveness & fouling characteristics ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The local surface conductance for laminar film condensation on vertical surface is (where, t = film thickness) ∝ t ∝ √t ∝ 1/t Independent of 't' ∝ t ∝ √t ∝ 1/t Independent of 't' ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Increases Remains unchanged Decreases May increase or decrease; depends on the liquid Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The non-dimensional temperature gradient in a liquid at the wall of a pipe is the Prandtl number Schmidt number Nusselt number Heat flux Prandtl number Schmidt number Nusselt number Heat flux ANSWER DOWNLOAD EXAMIANS APP
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