Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 750 650 250 450 750 650 250 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Column support for the roof of cylindrical storage tank must be provided for Small diameter tanks Small diameter tall tanks Large diameter tanks All of these Small diameter tanks Small diameter tall tanks Large diameter tanks All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid gradient over the tray results due to the Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing Low gas velocity Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Large plate spacing Low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle Is economical in operation Both B & C Employs high velocity, high heat transfer rate and less heating surface requirement ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is 0.5 1.25 0.25 0.75 0.5 1.25 0.25 0.75 ANSWER DOWNLOAD EXAMIANS APP
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