Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? White paint Black paint Yellow paint Grey paint White paint Black paint Yellow paint Grey paint 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 Remain unchanged Increase by 1.8 times Decrease by 22 Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 Increase by 216 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following situations can be approximated to a steady state heat transfer system? A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C 10 kg of dry saturated steam at 8 kgf/cm² flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is J/M2°K W/m°K J/m°K W/m2°K J/M2°K W/m°K J/m°K W/m2°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Double pipe None of the listed here Plate fine Series and parallel set of shell and tube Double pipe None of the listed here Plate fine Series and parallel set of shell and tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Air is best heated with steam in a heat exchanger of shell and tube type double pipe type with fin on air side plate type double pipe type with fin on steam side shell and tube type double pipe type with fin on air side plate type double pipe type with fin on steam side ANSWER DOWNLOAD EXAMIANS APP
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