The questions were asked from the subjects you mentioned as favourite subjects mainly. Heat exchanger design?
Distillation column design? Which liquid do you put on shell side and on tube side? the dirt or clean and why? Effect of
temperature and pressure on the quality of product in distillation column? On pipe still heaters What is cavitation? Octane
number? In LPG used in foreign countries propane or butane is % more? About hydrocarbons IOCL products.

Tell about yourself Which places in India you have visited? What are your future plans? Did you ever visited a refinary? Is
it ok for you to be posted in any of our refinaries in north?

Have good grip on our core subjects. Just do your best. Dont wory about the result. In HR be clear that you fit into that
position. Know the profile of the company properly.

Your interest in the company has to be clearly expressed during HR round. Answers to the technical questions has to be
given with reason.