Answer / sandeep challa

High pressure drop
cost of construction is also high

Answer / amol deshpande

In bubble cap distillation coloumn, the cap above the downcomer can be blown out from it's position under the effect of high pressure. High Pressure drop is main problem encountered in valve.

Answer / ajithkumar

in bubble cap distillation problems
1. high pressure drop
2. material cost
3. reflux ratio
4. purity

pls send me HPCL & reliance test paper for chemical engineering.....

4 Answers   BCPL, HPCL, NOCL, Reliance,

---

What is the purpose of capacitor? What does capacitor load means? How does it connect?

0 Answers  

---

Explain how do you design a vapor-liquid separator or a flash drum?

0 Answers  

---

What are the effects of oils on the properties of Polyolefins?

0 Answers   IOCL,

---

What is a good estimate for the absolute roughness for epoxy lined carbon steel pipe?

0 Answers  

---

white rust formation over zinc plated and yellow passivated fasteners during CED painting. WHY?

0 Answers   Wheels India,

---

Define condensate lift?

0 Answers  

---

Explain what is the significance of the minimum flow required by a pump?

0 Answers  

---

What is the basic difference between dispersion & distribution in any polymer blend or alloy??

0 Answers  

---

For what ration of Lengh/Dia. of tank (Jacketed tank), maximum heat transfer area is available?

0 Answers  

---

Explain what are the problems that are associated with the expansion joints?

0 Answers  

---

which reformer efficiencywise best?

0 Answers  

---