Answer Posted / satish mahato

respected sir,i have been selected in the written
examination(CHEMICAL) of IOCL Panipat held on 30 m1rch, So
please tell me which type of questions asked in this
interview frequently.Can u mail me some questions?

Why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?

1278

---

What is condensate lift?

1264

---

How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.

8969

---

what is the hearth and arch pressure in furnace?

4952

---

We are having proplem with the persperation smell in ETT/ECHO room in our cardiac hospital.The 2 Ton of AC is not conditioning the environment. We have to use exhaust fan to through out of the room bad air. Could anyone suggest how to coup with this effectively using chemical engineering. Any permanent solution to neutralise the bad smell.The Air freshners are not doing enough instead making a bad odour.

2167

---

Explain how can viscosity affect the design of a mixer?

1150

---

Why does catalytic converter used in an automobile?

1058

---

What are some common causes of control valve noise?

1087

---

What type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha?

1195

---

What is critical radius of insulation?

1099

---

Is there any way to remove residual product left in pipes after a batch operation?

1151

---

Explain how can you estimate a gas flow based on two pressure measurements?

1105

---

Explain the procedure to estimate the friction factor involved in heat exchanger tubes?

1130

---

Name the three classes of organic solvents?

1028

---

hai i A neelakanteswara rao ,selected for the interview on 15th july 2008. I completed my diploma in chemical engineering.let me know how to face the interview& the type of technical questions.

2240

---