Process Equipment and Plant Design The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is > 7 < 15 < 7 > 20 < 50 < 30 > 7 < 15 < 7 > 20 < 50 < 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute. 55 to 75 5 to 10 15 to 30 40 to 50 55 to 75 5 to 10 15 to 30 40 to 50 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The retention time of material in a rotary dryer depends upon its Slope & length Rpm Flights arrangement All of these Slope & length Rpm Flights arrangement All of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will Decrease Remain unaffected Increase or decrease depending on the nature of the dust Increase Decrease Remain unaffected Increase or decrease depending on the nature of the dust Increase 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 5 and 10 180 and 300 300 and 500 45 and 75 5 and 10 180 and 300 300 and 500 45 and 75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Frame thickness in the plate and frame filter press is normally in the range of __________ inches. 1 to 12 0.25 to 4 1 to 5 0.25 to 8 1 to 12 0.25 to 4 1 to 5 0.25 to 8 ANSWER DOWNLOAD EXAMIANS APP
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