Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) X/KA K/Ax A/Kx KA/x X/KA K/Ax A/Kx KA/x ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m².K. The Biot number is 0.0035 0.025 3.5 5.6 0.0035 0.025 3.5 5.6 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit None of these Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect No pump is required to withdraw the product from the last effect None of these Transfer from effect to effect is done by pumps Viscosity of liquid is highest in first effect No pump is required to withdraw the product from the last effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Double pipe None of the listed here Series and parallel set of shell and tube Plate fine Double pipe None of the listed here Series and parallel set of shell and tube Plate fine ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Decreases Increases Remains same May increase or decrease depending on the type of gas Decreases Increases Remains same May increase or decrease depending on the type of gas ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Bulk of the convective heat transfer resistance from a hot tube surface to the fluid flowing in it, is In the central core of the fluid Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface None of these In the central core of the fluid Uniformly distributed throughout the fluid Mainly confined to a thin film of fluid near the surface None of these ANSWER DOWNLOAD EXAMIANS APP