Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Lessig rings All of these Raschig rings Cross-partition rings Lessig rings All of these Raschig rings Cross-partition rings ANSWER DOWNLOAD EXAMIANS APP
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. CO₂ SO₂ None of these NH₃ CO₂ SO₂ None of these NH₃ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less. 44119 20-25 43864 43959 44119 20-25 43864 43959 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. Equal to Four times Twice Half Equal to Four times Twice Half 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 38 19 28 16 38 19 28 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Welded joint efficiency in the design of chemical process equipment is taken as 0.85 0.95 0.55 0.75 0.85 0.95 0.55 0.75 ANSWER DOWNLOAD EXAMIANS APP