Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Decreased None of these No effect on Increased Decreased None of these No effect on Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is directly concerned with the heat transfer? Strouhal number Grashoff number Sherwood number Euler number Strouhal number Grashoff number Sherwood number Euler number 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 Decreases Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are Re.Gz Nu, Pr, Re Nu, Pr Nu, Gz Re.Gz Nu, Pr, Re Nu, Pr Nu, Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)2 None of the listed here ΔT (ΔT)1/4 (ΔT)2 None of the listed here ΔT (ΔT)1/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Increases Decreases May increase or decrease; depends on the liquid Remains unchanged Increases Decreases May increase or decrease; depends on the liquid Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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