Heat Transfer Multiple effect evaporation is generally recommended, when the Fuel is cheaply available Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Fuel is cheaply available Evaporation on small scale is to be done Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of floating head in a heat exchanger is to Provide support for tubes Facilitate its lengthening, if needed Decrease the pressure drop Avoid buckling of tubes Provide support for tubes Facilitate its lengthening, if needed Decrease the pressure drop Avoid buckling of tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) hi/K 2K/h0 K/h0 2hi/K hi/K 2K/h0 K/h0 2hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. May increase or decrease; depends on the gas Remains unchanged Decreases Increases May increase or decrease; depends on the gas Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Temperature of the heating surface is less than the boiling point of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is less than the boiling point of the liquid Very large vapour space is necessary Temperature of the heating surface is more than the boiling point of the liquid Bubbles from heating surface are absorbed by the mass of the liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For evaporation of viscous solution in a multiple effect evaporator, the prefered feeding scheme is Backward Forward None of these Parallel Backward Forward None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
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