Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph (ph - dt)/ph (ph - dh)/ph (ph - dh)/dh (ph - dh . dt/2)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure Remains same Increases Decreases May increase or decrease depending upon the solubility of the gas in the liquid Remains same Increases Decreases May increase or decrease depending upon the solubility of the gas in the liquid ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Length to diameter ratio of most rotary driers is in the range of 1 to 2 20 to 30 10 to 20 4 to 10 1 to 2 20 to 30 10 to 20 4 to 10 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter. Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) Equal to 0.6-0.8 times Twice 2 ft irrespective of (for column > 3 ft diameter) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter Facilitates comparatively easier external cleaning because of large clearance Both B and C Permits the use of more tubes in a given shell diameter Permits the use of less tubes in a given shell diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a given design of bubble cap, the number of bubble caps to be used per tray is set by the Plate spacing All of these Diameter of the column Allowable gas velocity through the slots Plate spacing All of these Diameter of the column Allowable gas velocity through the slots ANSWER DOWNLOAD EXAMIANS APP