Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.95 0.55 0.85 0.75 0.95 0.55 0.85 0.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect. 0.5 nth (1/n)th nth 1.5 nth 0.5 nth (1/n)th nth 1.5 nth ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube wall thickness depends on the cor-rosiveness of the fluids and their operating pressure & temperature and is specified by Birmingham wire gauge (B.W.G)-a number which varies from 8 to 18 with the numbers 14 and 16 being more commonly used. Outside diameter of tubes varies from about 15 to 50 mm; however a tube of less than __________ mm outside diameter is generally not recommended for fouling fluids. 16 28 19 38 16 28 19 38 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations. 1.25 to 3.125 0.3 to 0.8 3.5 to 7.0 44055 1.25 to 3.125 0.3 to 0.8 3.5 to 7.0 44055 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 180 and 300 45 and 75 300 and 500 5 and 10 180 and 300 45 and 75 300 and 500 5 and 10 ANSWER DOWNLOAD EXAMIANS APP
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