Heat Transfer In the free convection regime of pool boiling, the heat flux is proportional to Δt5/4 Δt2 Δt Δt1/2 Δt5/4 Δt2 Δt Δt1/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The capacity of double-effect evaporator is less than half of the capacity of two single effects, each of which is operating over same terminal temperature difference, when the Evaporators operate under vacuum Solution has an elevation of boiling point None of these Evaporators opreate at atmospheric pressure Evaporators operate under vacuum Solution has an elevation of boiling point None of these Evaporators opreate at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower shell side pressure drop Lower tube side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower shell side pressure drop Lower tube side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest Prandtl number? Transformer oil Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water Transformer oil Dilute H₂SO₄ Molten sodium (a coolant used in fast breeder reactor) Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator No pumps are required between successive effects None of these Feed is introduced in the first effect Feed flows from low pressure to high pressure No pumps are required between successive effects None of these Feed is introduced in the first effect Feed flows from low pressure to high pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Remains same Decreases May increase or decrease depending on the type of gas Increases Remains same Decreases May increase or decrease depending on the type of gas Increases ANSWER DOWNLOAD EXAMIANS APP
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