Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow Complete back mixing Plug flow Eddy diffusivity = 0 Laminar flow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure drop due to pipe fittings can be estimated by the equation, ΔP/p = 4f.Le/D.V2/2gc, where, Le = equivalent length of straight pipeline which will incur the same frictional loss as the fitting and D = diameter of the fitting. The value of Le/D (dimensionless) for 45° elbow and 180° close return bends would be respectively around 300 and 500 45 and 75 5 and 10 180 and 300 300 and 500 45 and 75 5 and 10 180 and 300 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An underdesigned steam trap will Waste steam Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling None of these Waste steam Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the Central dished section and straight flange section Straight flange section and corner torus section Corner torus section and central dished section Central dished section and corner torus section Central dished section and straight flange section Straight flange section and corner torus section Corner torus section and central dished section Central dished section and corner torus section ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness. Four times Equal to Twice Half Four times Equal to Twice Half ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres. 45 20 30 85 45 20 30 85 ANSWER DOWNLOAD EXAMIANS APP
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