Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following is used to set the diameter of the distillation column? Length of straight rectangular weir on cross-flow tray Number of theorectical plates Allowable vapour velocity Static submergence Length of straight rectangular weir on cross-flow tray Number of theorectical plates Allowable vapour velocity Static submergence ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Rotary driers are most economically designed for the number of heat transfer units (HTU) from 5 to 10 10 to 20 1.5 to 2.5 0.01 to 1 5 to 10 10 to 20 1.5 to 2.5 0.01 to 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the design of a shell and tube heat exchanger, the corrosion allowance 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 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 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pick out the wrong statement pertaining to the design of a basket type evaporator. There is no central downtake Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling There is no central downtake Downtake is formed by the annular space between the bundle and the shell The tube bundle is suspended on bracket It is used for high viscosity liquor having large rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its Low cost High latent heat Non-corrosive condensate High film co-efficient Low cost High latent heat Non-corrosive condensate High film co-efficient ANSWER DOWNLOAD EXAMIANS APP
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