Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Salty Highly viscous Corrosive Scaling Salty Highly viscous Corrosive Scaling 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? 43.75 35.5 48.25 81.25 43.75 35.5 48.25 81.25 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger? Fouling characteristic Corrosiveness None of these Viscosity Fouling characteristic Corrosiveness None of these Viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Remains unchanged Decreases Increases May increase or decrease; depends on the solid Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) K/Ax A/Kx KA/x X/KA K/Ax A/Kx KA/x X/KA ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Shell side pressure drop in a shell and tube heat exchanger does not depend upon the Tube diameter & pitch Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid None of these Tube diameter & pitch Baffle spacing & shell diameter Viscosity, density & mass velocity of shell side fluid None of these ANSWER DOWNLOAD EXAMIANS APP