Heat Transfer Rate of crystallisation does not depend upon the None of these Number and active surface area of the crystals Extent of supersaturation Turbulence within the solution None of these Number and active surface area of the crystals Extent of supersaturation Turbulence within the solution ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Decrease Either increase or decrease; depends on the coolant flow rate Increase Remain unchanged Decrease Either increase or decrease; depends on the coolant flow rate Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 43834 2 43832 4 43834 2 43832 4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Higher economy Lower capacity Both A & B Lower economy Higher economy Lower capacity Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference Logarithmic mean temperature difference The difference of average bulk temperatures of hot and cold fluids Geometric mean temperature difference Arithmetic mean temperature difference Logarithmic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases ANSWER DOWNLOAD EXAMIANS APP
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