Heat Transfer In a heat exchanger, one transfer unit means The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these The size of the exchanger in which heat transfer rate is 1 kcal/hr Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer Increases Increases exponentially Decreases Remains unaffected Increases Increases exponentially Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) Nu = (Re)(Pr) Nu = (Pr)(St) Nu = (Re) (Pr) (St) Nu = (Re) (Pr) (Gz) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids First increases upto a certain temperature and then becomes constant Remains same Increases Decreases First increases upto a certain temperature and then becomes constant Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is IR2 I2R None of the listed here IR IR2 I2R None of the listed here IR 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)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT ANSWER DOWNLOAD EXAMIANS APP
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