Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Molten sodium Water Air Dowtherm Molten sodium Water Air Dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vacuum is generally maintained in the vapour space of an evaporator mainly to Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials Achieve very high concentration of the final product Get economical temperature difference by using moderate pressure steam Facilitate forward feeding in multiple effect evaporation Concentrate heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with Increasing temperature None of these Decreasing Reynolds number Decreasing temperature Increasing temperature None of these Decreasing Reynolds number Decreasing temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Dirhing's Heisler's Mollier's Cox Dirhing's Heisler's Mollier's Cox ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Lowest in last effect Highest in last effect Dependent on the number of effects Same in all effects Lowest in last effect Highest in last effect Dependent on the number of effects Same in all effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.3 D 0.2 D 0.5 D 0.4 D 0.3 D 0.2 D 0.5 D 0.4 D ANSWER DOWNLOAD EXAMIANS APP
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