Heat Transfer
In a forward feed multiple effect, the pressure build up will be

least at the outlet of the last effect
highest at the inlet of the last effect
least at the inlet of the first effect
highest at the outlet of the last effect

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Heat Transfer
1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m² and the overall heat transfer co-efficient to the liquid is 1500 W/m².°C. Assuming negligible heat loss to the surrounding and specific heat capacity of the liquid to be 4 kJ/kg.°C, the time taken for the liquid to reach desired temperature will be

44 min
15 min
51 min
22 min

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