A. 2.5
B. 5
C. 12.5
D. 17.5
Advertisement
Related Mcqs:
- In a distillation column, the minimum residence time for liquid in the downspout is about ______________ seconds?
- A. 1 B. 8 C. 80 D. 180...
- Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 – 1.4 cp and relative volatility < 4) (where ε = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) ?
- A. η = 17 – 61.1 log μ B. η = 24.6 (Δp/μ) C. η = 1.66 – 0.25 log μ D. η = 0.25 log μ – 1.67...
- In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?
- A. 1.1 to 1.5 B. 1.6 to 2 C. 2.2 to 2.6 D. 2.7 to 3...
- A minimum clearance of about _______________ mm is maintained between the distillation column wall and the bubble cap?
- A. 19 B. 38 C. 67 D. 95...
- _____________________ tray arrangement is recommended for distillation column having diameter upto 4 ft ?
- A. Radial flow B. Cross flow C. Split flow D. Cascade...
- In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?
- A. 2.5 B. 7.5 C. 15 D. 20...
- The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?
- A. 6 B. 18 C. 24 D. 34...
- Minimum tube pitch recommended for shell and tube heat exchangers is about _______________ times the outside diameter of the tube?
- A. 1.25 B. 1.75 C. 2.5 D. 3.5...
- “A claming section” before the liquid flows into the downcomer is provided to__________________?
- A. Permit release of entrained vapour in the liquid B. Reduce the discharge fluctuation C. Ensure better vapour-liquid contact D. Cool the liquid before it flows down...
- In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about _______________ cms?
- A. 10 B. 20 C. 30 D. 35...
Advertisement
