Process Equipment and Plant Design Friction factor for turbulent flow in a new pipe is given by f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe f = 25/NRe f = 0.22 NRe0.05 f = 0.04/NRe0.16 f = 16/NRe ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for fully open gate valves would be Much more than that for fully open globe valves Both B and C Around 7 Much less (say 2% than that for fully open globe valves) Much more than that for fully open globe valves Both B and C Around 7 Much less (say 2% than that for fully open globe valves) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the shell side cross flow area does not depend upon None of these Clearance Baffle spacing Pitch None of these Clearance Baffle spacing Pitch ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) Σ/E Σ E E/σ Σ/E Σ E E/σ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. Either B or C; depends on maximum permissible internal pressure More than Equal to Less than Either B or C; depends on maximum permissible internal pressure More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is 0 Minimum ∞ 1 0 Minimum ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
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