Process Equipment and Plant Design Needle valves are generally not used for Smaller sizes of pipe Very large diameter pipes Very accurate flow control High pressure throttling service Smaller sizes of pipe Very large diameter pipes Very accurate flow control High pressure throttling service ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter. 1/10th 1/50th 1/30th 1/20th 1/10th 1/50th 1/30th 1/20th ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm. 26 25 23 27 26 25 23 27 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 Decreases May increase or decrease depending upon the solubility of the gas in the liquid Increases Remains same Decreases May increase or decrease depending upon the solubility of the gas in the liquid Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Flat plate extending across the wall Disk type baffle Segmental baffle Helical type baffle Flat plate extending across the wall Disk type baffle Segmental baffle Helical type baffle ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 45 95 80 60 45 95 80 60 ANSWER DOWNLOAD EXAMIANS APP