Heat Transfer Leidenfrost point is a term concerned with the Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Boiling of a liquid on a hot surface Heat transfer between two highly viscous liquids Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Boiling of a liquid on a hot surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat flux in the nucleate boiling regimes is proportional to (where, ΔT = excess temperature) √(ΔT) (ΔT)² (ΔT)⁴ (ΔT)³ √(ΔT) (ΔT)² (ΔT)⁴ (ΔT)³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean None of these Increasing the tube length Enhancing the fluid pumping rate Keeping the heat transfer surface clean None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mode of heat transfer in which the fluid moves under the influence of changes in fluid pressure produced by external work is called Forced convection Radiation Conduction Natural convection Forced convection Radiation Conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m.°C Kcal/hr.m Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m.°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 1 0 and 0.5 1 and 0 1 and ? 0 and 1 0 and 0.5 1 and 0 1 and ? ANSWER DOWNLOAD EXAMIANS APP
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