Heat Transfer Which of the following is correct ? Rate = Resistance/Driving force Driving force = Rate x Resistance Rate = Driving force x Resistance Resistance = Driving force x Rate Rate = Resistance/Driving force Driving force = Rate x Resistance Rate = Driving force x Resistance Resistance = Driving force x Rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Is a dimensionless quantity Does not provide a safety factor for design None of these Accounts for additional resistances to heat flow Is a dimensionless quantity Does not provide a safety factor for design None of these Accounts for additional resistances to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Extremely large or small volumes of fluids are generally best routed through the shell side of a shell and tube heat exchanger, because of the Less corrosion problems Low pressure drop High heat transfer co-efficient Flexibility possible in the baffle arrangement Less corrosion problems Low pressure drop High heat transfer co-efficient Flexibility possible in the baffle arrangement ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal boundary layer at NPr > 1 Is thicker than hydrodynamic boundary layer Disappears Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical Is thicker than hydrodynamic boundary layer Disappears Is thinner than hydrodynamic boundary layer And the hydrodynamic boundary layer are identical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Dependent on the number of effects Same in all effects Highest in last effect Lowest in last effect Dependent on the number of effects Same in all effects Highest in last effect Lowest in last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Re)(Pr) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Pr)(St) Nu = (Re)(Pr) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Pr)(St) ANSWER DOWNLOAD EXAMIANS APP