Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having Both A & B High viscosity Scaling characteristics Neither A nor B Both A & B High viscosity Scaling characteristics Neither A nor B 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 35.5 43.75 48.25 81.25 35.5 43.75 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit Transfer from effect to effect is done by pumps None of these No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect Transfer from effect to effect is done by pumps None of these No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop Can pack more surface area into a shell of given diameter None of these Gives a lower shell side pressure drop Gives a higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the most important factor on which the heat conducted through a wall in a unit time will depend on? Material of the wall Thickness of the wall Temperature difference between the two surfaces of the wall Area of the wall perpendicular to heat flow Material of the wall Thickness of the wall Temperature difference between the two surfaces of the wall Area of the wall perpendicular to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Nitrogen Tar Coal Iron Nitrogen Tar ANSWER DOWNLOAD EXAMIANS APP
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