Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Decreases May increase or decrease; depends on the gas Increases Remains unchanged Decreases May increase or decrease; depends on the gas Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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 In a backward feed multiple effect evaporator None of these No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure None of these No pumps are required between successive effects Feed is introduced in the first effect Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? 1 >1 0.1 < 1 1 >1 0.1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Scaling Salty Highly viscous Corrosive Scaling Salty Highly viscous Corrosive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower heat transfer area Higher solute concentration in the product Lower steam economy Higher steam economy Lower heat transfer area Higher solute concentration in the product Lower steam economy Higher steam economy ANSWER DOWNLOAD EXAMIANS APP
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