Heat Transfer Nusselt number is the ratio of the Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe None of these Temperature difference to the temperature gradient at the wall Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is achieved in __________ flow. Turbulent Laminar Co-current Counter-current Turbulent Laminar Co-current Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.35 0.85 0.45 0.55 0.35 0.85 0.45 0.55 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is W/m°K J/M2°K W/m2°K J/m°K W/m°K J/M2°K W/m2°K J/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is 0.7 0.6 0.4 0.5 0.7 0.6 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Decrease in heat exchanger efficiency Uneconomic LMTD Its evaporation loss Excessive corrosion Decrease in heat exchanger efficiency Uneconomic LMTD Its evaporation loss Excessive corrosion ANSWER DOWNLOAD EXAMIANS APP
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