Process Equipment and Plant Design With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases. Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser Vapour & liquid load both Running cost of steam for reboiler Fixed charges initially Running cost of cooling water for condenser Vapour & liquid load both ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Large plate spacing Low gas velocity Resistance offered to flow of liquids by caps & risers and the flow of gas Large reflux ratio Large plate spacing Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A stuffing box is used for Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Prevention of fluid leakage around moving parts Absorbing the contraction/expansion of pipeline due to temperature changes Facilitating smooth opening and closing of a valve Reducing the resistance of fluid flow Prevention of fluid leakage around moving parts Absorbing the contraction/expansion of pipeline due to temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides All of these Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe conditions it is 3 mm For internal cover and tube sheet is provided on both the sides All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is Same More Cither A or B; depends upon the I.D. of the pipe Less Same More Cither A or B; depends upon the I.D. of the pipe Less ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Decreases very rapidly Remains constant Increases linearly Increases very rapidly Decreases very rapidly Remains constant Increases linearly Increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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