Process Equipment and Plant Design Needle valves are generally not used for Very large diameter pipes High pressure throttling service Smaller sizes of pipe Very accurate flow control Very large diameter pipes High pressure throttling service Smaller sizes of pipe Very accurate flow control 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. 23 27 25 26 23 27 25 26 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³ μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 Di, opt = 3.9 Q0.45 ρ0.13 Di, opt = 3.9 Q0.45 . μ0.95 Di, opt = 3 Q0.36 . μ0.88 Di, opt = 4.7 Q0.36 . μ3.2ρ0.13 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A cylindrical storage tank can have a self supported conical roof, Irrespective of its diameter If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell If its diameter is less than 15-20metres Irrespective of its diameter If its diameter is more than 50 meters If the thickness of the roof is more than that of the cylindrical shell If its diameter is less than 15-20metres ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd Πd/4P² 4(P² - πd²/4)/πd (P² - πd²/4)/πd 4P²/πd Πd/4P² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate. 4 43832 43834 2 4 43832 43834 2 ANSWER DOWNLOAD EXAMIANS APP
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