Heat Transfer The unit of heat transfer co-efficient in SI unit is J/M2°K J/m°K W/m2°K W/m°K J/M2°K J/m°K W/m2°K W/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas May increase or decrease depending on the type of gas Remains same Decreases Increases May increase or decrease depending on the type of gas Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 Increase by 1.8 times Remain unchanged Increase by 216 Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation energy is emitted by all the substances, which are above 100°C 0°C none of the listed here 0°K 100°C 0°C none of the listed here 0°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is > 2 1 1.5 0.5 > 2 1 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 0.6 to 120 1 to 103 0.06 to 120 l to 50 0.6 to 120 1 to 103 0.06 to 120 l to 50 ANSWER DOWNLOAD EXAMIANS APP