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Transformers work on the principle of electromagnetic induction.
Transformers consist of two coils of wire wrapped around a magnetic core.
When an alternating current flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil.
The voltage in the secondary coil is proportional to the number of turns in the coil and the rate of change of the magnetic field.
Transformers are used ...
I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 3 interview rounds.
Indian Oil Corporation interview questions for popular designations
I applied via Recruitment Consultant and was interviewed before Dec 2020. There were 3 interview rounds.
A compressor with two stages of reciprocating motion.
Two-stage reciprocating compressors have two cylinders that compress the air twice.
The first stage compresses the air and sends it to the second stage for further compression.
This type of compressor is commonly used in industrial applications such as refrigeration and air conditioning.
The two-stage design allows for higher efficiency and greater pressure output compa
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24 volt lamps are used in confined space entry jobs for safety reasons.
24 volt lamps are considered intrinsically safe as they do not produce sparks that could ignite flammable gases or vapors in confined spaces.
They are also less likely to cause eye damage or blindness in case of accidental exposure.
The low voltage also reduces the risk of electrical shock.
Examples of confined spaces where 24 volt lamps are used inclu...
I applied via Company Website and was interviewed before Nov 2020. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Jul 2020. There was 1 interview round.
I applied via Company Website and was interviewed before May 2021. There were 2 interview rounds.
I applied via Company Website and was interviewed before Sep 2021. There were 3 interview rounds.
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The duration of Indian Oil Corporation interview process can vary, but typically it takes about less than 2 weeks to complete.
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