Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heat transfer area Heating volume Nusselt number None of these Heat transfer area Heating volume Nusselt number None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. >10 10 Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux through several resistances in series in analogous to the current flowing through several. none of the listed here resistances in series capacitors in series resistances in parallel none of the listed here resistances in series capacitors in series resistances in parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat losses from satisfactorily insulated high pressure boilar may be about __________ percent. 1 26 18 7 1 26 18 7 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Increases Decreases Remains unchanged May increase or decrease; depends on the solid Increases Decreases Remains unchanged May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Boiling of a liquid on a hot surface Condensation of the saturated vapor on a cold surface Concentration of a corrosive solution by evaporation Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface Condensation of the saturated vapor on a cold surface Concentration of a corrosive solution by evaporation Heat transfer between two highly viscous liquids ANSWER DOWNLOAD EXAMIANS APP
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