Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L H.ρ/L L/Z.H.ρ Z.H/L.ρ Z.H.ρ/L ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter. 0.45-0.6 0.2-0.45 0.1-0.12 0.4-0.5 0.45-0.6 0.2-0.45 0.1-0.12 0.4-0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type. Flared out Fluid in Nozzle or rim Ring plate Flared out Fluid in Nozzle or rim Ring plate ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design An underdesigned steam trap will 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 Waste steam Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 21.6 Increase by 1.8 None of these Decrease by 22 Increase by 21.6 Increase by 1.8 None of these Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A claming section before the liquid flows into the downcomer is privided to Cool the liquid before it flows down Reduce the discharge fluctuation Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact Cool the liquid before it flows down Reduce the discharge fluctuation Permit release of entrained vapour in the liquid Ensure better vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
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