Heat Transfer Heat transfer occurs by natural convection because change in temperature causes difference in Heat capacity Thermal conductivity Viscosity Density Heat capacity Thermal conductivity Viscosity Density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by none of the listed here conduction radiation convection none of the listed here conduction radiation convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is Parallel flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on tube side Counter flow with process stream on shell side Parallel flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on tube side Counter flow with process stream on shell side 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 24000 48000 60000 6000 24000 48000 60000 6000 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 81.25 43.75 35.5 48.25 81.25 43.75 35.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by None of these Enhancing the fluid pumping rate Keeping the heat transfer surface clean Increasing the tube length None of these Enhancing the fluid pumping rate Keeping the heat transfer surface clean Increasing the tube length ANSWER DOWNLOAD EXAMIANS APP
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