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Vacuum column is used in distillation process to separate different components based on their boiling points.
Vacuum column operates under reduced pressure to lower the boiling points of the components being separated.
The column is packed with trays or structured packing to increase the surface area for vapor-liquid contact.
The feed enters at the bottom of the column and is heated to its boiling point.
The vapor rises up...
Octane number is a measure of a fuel's ability to resist knocking or detonation.
Octane number is the percentage of iso-octane in a mixture of iso-octane and n-heptane that has the same knocking characteristics as the fuel being tested.
Higher octane number means the fuel has better resistance to knocking.
Octane number is important for high-performance engines that require high compression ratios.
Octane number is determi...
Indian Oil Corporation interview questions for designations
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posted on 20 Nov 2024
posted on 6 Jun 2024
Aptitude round conducted as online test
posted on 11 Oct 2023
I applied via Company Website and was interviewed in Sep 2023. There were 4 interview rounds.
1 hr generally all topics
15 mins of GD consists of 8-10 members
posted on 4 Apr 2023
I applied via campus placement at Visvesvaraya National Institute of Technology (VNIT), Nagpur and was interviewed in Oct 2022. There was 1 interview round.
I am a graduate engineer with knowledge in distillation, pumps, and heat exchangers.
I have studied distillation as a separation process in chemical engineering.
I am familiar with different types of pumps such as centrifugal, positive displacement, and axial flow pumps.
I have worked on designing and analyzing heat exchangers for efficient heat transfer.
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