Heat Transfer Black liquor generated during paper manufacture is concentrated in a single effect evaporator followed by a crystalliser multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporator multiple effect evaporators followed by a crystalliser single effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. Double pipe U-tube Floating head Fixed tube Double pipe U-tube Floating head Fixed tube 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 Which of the following has the minimum absorptivity? Coal dust Refractory bricks Aluminium foil Iron plates Coal dust Refractory bricks Aluminium foil Iron plates ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 1 37 6.1 1.74 1 37 6.1 1.74 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Excessive corrosion Uneconomic LMTD Its evaporation loss Decrease in heat exchanger efficiency Excessive corrosion Uneconomic LMTD Its evaporation loss Decrease in heat exchanger efficiency ANSWER DOWNLOAD EXAMIANS APP
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