Heat Transfer Radiation energy is emitted by all the substances, which are above 0°C 0°K 100°C none of the listed here 0°C 0°K 100°C none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following situations can be approximated to a steady state heat transfer system? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Remain unaffected Decrease slowly Increase very rapidly Increase slowly Remain unaffected Decrease slowly Increase very rapidly Increase slowly ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? < 1 >1 0.1 1 < 1 >1 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz Nu = 2Gz0.5 Nu = 0.023 Re0.8 . Pr0.4 Nu = Gz Nu = Gz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Schmidt number Peclet number Stanton number Brinkman number Schmidt number Peclet number Stanton number Brinkman number ANSWER DOWNLOAD EXAMIANS APP