Heat Transfer A dephlegmator is a Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Baffle spacing Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell Is not the same as baffle pitch None of these Should be less than the inside diameter of the shell Should be less than one fifth the diameter of the shell Is not the same as baffle pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, The relationship is not generalised The temperature drops in the two fluids and the wall are proportional to individual resistances There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs The relationship is not generalised The temperature drops in the two fluids and the wall are proportional to individual resistances There is no relationship between temperature drop and resistance The temperature drop is inversely proportional to the resistance across which the drop occurs ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.72 150 0.001 70 0.72 150 0.001 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 R₂/(R₁+R₂) (R₁/R₂)2 1 R₂/(R₁+R₂) (R₁/R₂)2 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Having the value of Ao/Ai > 2 Thick walled Thin walled having the value of Ao Ai/< 2 Both B and C Having the value of Ao/Ai > 2 Thick walled Thin walled having the value of Ao Ai/< 2 Both B and C ANSWER DOWNLOAD EXAMIANS APP
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