Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Heat capacity Density Viscosity Thermal conductivity Heat capacity Density Viscosity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 37 45 32 50 37 45 32 50 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Viscosity Super-saturation Density Concentration Viscosity Super-saturation Density Concentration ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is decreased True temperature drop increases Both B and C Capacity of the evaporator is increased Capacity of the evaporator is decreased True temperature drop increases Both B and C Capacity of the evaporator is increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing Vacuum None of these High residence time High pressure Vacuum None of these High residence time High pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration Neither A nor B Rate of heat transfer Both A and B Heat balance consideration Neither A nor B Rate of heat transfer Both A and B ANSWER DOWNLOAD EXAMIANS APP
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