Heat Transfer As per Kirchoffs law, the ratio of the total radiating power to the absorptivity of a body depends on the temperature of the body only nature of material of body wavelength of monochromatic radiation none of the listed here temperature of the body only nature of material of body wavelength of monochromatic radiation none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. Equal to Less than More than Either more or less than (depending upon the fluid) Equal to Less than More than Either more or less than (depending upon the fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure equals the external pressure on its surface Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C Saturated vapour pressure equals the external pressure on its surface Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Temperature reaches 100° C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Biot Prandtl Nusselt Reynolds Biot Prandtl Nusselt Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More or less; depends on the nature of solution More Same Less More or less; depends on the nature of solution More Same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 11.2 kW/m² 12.0 kW/m² 16.5 kW/m² 14.6 kW/m² 11.2 kW/m² 12.0 kW/m² 16.5 kW/m² 14.6 kW/m² ANSWER DOWNLOAD EXAMIANS APP
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