Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Molten sodium Air Dowtherm Water Molten sodium Air Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number for most of dry gases is about 70 0.72 150 0.001 70 0.72 150 0.001 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 60000 6000 24000 48000 60000 6000 24000 48000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Average of all resistances Maximum resistance in the series Minimum resistance presents in the series Sum of all resistances Average of all resistances Maximum resistance in the series Minimum resistance presents in the series Sum of all resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A BTU/hr.ft.2 °F is equal to 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C 1 kcal/hr. m²°C None of these 1 kcal/hr. m².°K 4.88 kcal/hr. m.2°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these Has the unit m² /sec Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp All of these ANSWER DOWNLOAD EXAMIANS APP