GAIL
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gailonline.com New Delhi, India

GAIL Executive Trainee (Instrumentation) Interview Questions & Reviews

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Executive Trainee (Instrumentation) Interview

Anonymous Employee

I applied through college or university and the process took a day - interviewed at GAIL.

Interview Details – Short-listing based on grades... then personal interview (PI).
They asked questions related to P-I-D control, cascade control, Flowmeters (e.g. orifice, venturi, rotameter etc), flapper-nozzle assembly, Differential pressure type level sensors, control valves (flow characteristics-quick opening/equal percentage, globe valve, butterfly valve etc), basic knowledge of DCS/PLC/SCADA, 4-20mA standard in instrumentation, brief of project work & industrial/vocational training.

Interview Question – Unexpectedly they asked me the name of the company which manufactured the DCS I had seen during my vocational training.   View Answer

Negotiation Details – NO negotiation... they announced the CTC earlier.

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