Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C 100°C none of the listed here 0°K 0°C 100°C none of the listed here 0°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same Increases Decreases May increase or decrease depending on the type of gas Remains same Increases Decreases May increase or decrease depending on the type of gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius of insulation for cylindrical pipe is (where, hi = heat transfer coefficient at inside of the pipe ) K/h0 2K/h0 2hi/K hi/K K/h0 2K/h0 2hi/K hi/K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body is called grey if the monochromatic emissivity of the body is Different for all wavelengths Unity Same for all wavelengths Zero Different for all wavelengths Unity Same for all wavelengths Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, St = f/2? > 1 1.5 1 2 > 1 1.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a co-current double pipe heat exchanger used for condensing saturated steam over the inner tube, if the entrance and exit conditions of the coolant are interchanged, then the rate of condensation will Either increase or decrease; depends on the coolant flow rate Increase Decrease Remain unchanged Either increase or decrease; depends on the coolant flow rate Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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