Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to None of these That across the entire pipe Temperature difference Heat flux None of these That across the entire pipe Temperature difference Heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Increased Decreased None of these No effect on Increased Decreased None of these No effect on ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of vaporisation Economy Capacity Rate of evaporation Rate of vaporisation Economy Capacity Rate of evaporation 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 216 Remain unchanged Decrease by 22 Increase by 1.8 times Increase by 216 Remain unchanged Decrease by 22 Increase by 1.8 times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Foaming Corrosive Very thin Viscous Foaming Corrosive Very thin Viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 48.25 35.5 81.25 43.75 48.25 35.5 81.25 43.75 ANSWER DOWNLOAD EXAMIANS APP