Heat Transfer 'Duhring's plot' is of use in Extractive distillation Leaching Evaporation Absorption Extractive distillation Leaching Evaporation Absorption ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator None of these Feed is introduced in the first effect No pumps are required between successive effects Feed flows from low pressure to high pressure None of these Feed is introduced in the first effect No pumps are required between successive effects Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Both A and B Neither A and B Liquor-film co-efficient Velocity of circulation Both A and B Neither A and B Liquor-film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called thermal diffusivity thermal conductivity heat transfer co-efficient heat flux thermal diffusivity thermal conductivity heat transfer co-efficient heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 55.5 0.55 0.15 555 55.5 0.55 0.15 555 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the Evaporators operate under vacuum Solution has an elevation of boiling point Evaporators opreate at atmospheric pressure None of these Evaporators operate under vacuum Solution has an elevation of boiling point Evaporators opreate at atmospheric pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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