Hi I want to prepare for the Indian Oil Corporation IOCL interview round for the chemical engineer post so can you please list me some good interview questions so I can prepare well for the interview??

Indian Oil Corporation is India’s Largest Commercial Enterprise, with a net profit of 103.99 billion for the financial year 2015-16.

Basically there is no criteria for the fixed question but these are some previously asked and the sample questions important for the interview round

IOCL interview Questions

Why we use VDU, why not ADU is sufficient?

What type of Pressure drop occurs in distillation column?

If reboiler duty is constant then how to improve purity ?

When we use triangular pitch and when we use square pitch in a heat exchanger?

What will happen when we increase pressure in a distillation column?

What will happen when we increase the rpm of a centrifugal pump ?

Draw a control valve on a vessel and explain how it will work.

What is the difference between a pump and compressor.

Which type of pump is used for corrosive liquid and how it works?

Why we feel more hot in Rajsthan than Goa, while temperature is same.

Where colling towers efficiency will be more? where humidity is less or high ?

Explain about pump performance curve.

Dietus-bolter equation? Prnadtl number significance

What is the difference in conduction and convection?

What is the effect of Reynolds number on heat transfer coefficient?

What is HETP and HTU?

Newton Rapshon method