Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. NH₃ SO₂ None of these CO₂ NH₃ SO₂ None of these CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches. 34 24 6 18 34 24 6 18 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity. 80 95 45 60 80 95 45 60 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 100-150 43835 1000-1500 20-40 100-150 43835 1000-1500 20-40 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design __________ shapedroof is the most commonly used roof for cylinderical storage tanks. Dome Flat Conical Umbrella Dome Flat Conical Umbrella ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower. 5-7.5 2.5-3.0 10-12.5 15-20 5-7.5 2.5-3.0 10-12.5 15-20 ANSWER DOWNLOAD EXAMIANS APP