Heat Transfer In the equation Q = UAΔt; Δt is Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference Geometric mean temperature difference Arithmetic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Logarithmic mean temperature difference Geometric mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased capacity Decreased steam consumption Increased steam economy Both A and B Increased capacity Decreased steam consumption Increased steam economy Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer During crystallisation, formation of crystal can occur in __________ solution only. Undersaturated Saturated Supersaturated All of these Undersaturated Saturated Supersaturated All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? < 0.5 0.5 < 0.1 > 0.6 < 0.5 0.5 < 0.1 > 0.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Indirect contact heat exchangers are preferred over direct contact heat exchangers, because Heat transfer co-efficient are high There is no risk of contamination There is no mist formation Cost of equipment is lower Heat transfer co-efficient are high There is no risk of contamination There is no mist formation Cost of equipment is lower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS