Heat Transfer In SI units, thermal conductivity is expressed in Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K Watt/m². °K Watt/m². °K Watt/m4. °K Watt/m.°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Voltage Resistance Current None of these Voltage Resistance Current None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as None of these Forced convection Steady state conduction Monochromatic radiation None of these Forced convection Steady state conduction Monochromatic radiation 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
Heat Transfer Forced circulation evaporators are normally used for concentrating liquids having High viscosity Both A & B Neither A nor B Scaling characteristics High viscosity Both A & B Neither A nor B Scaling characteristics ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Never different Same Different Linearly related Never different Same Different Linearly related ANSWER DOWNLOAD EXAMIANS APP
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