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I applied via Company Website and was interviewed before Sep 2021. There were 2 interview rounds.
To identify if a pump is cavitating while working on a DCS panel, you can look for certain indicators.
Monitor the pump's suction pressure. If it is fluctuating or dropping below the specified range, it may indicate cavitation.
Check the pump's discharge pressure. If it is higher than normal, it could be a sign of cavitation.
Listen for unusual noises such as a rattling or grinding sound coming from the pump.
Inspect the p...
To prepare a hydrocarbon vessel for vessel entry, follow these steps:
Ensure the vessel is properly isolated from the process and all sources of energy
Ventilate the vessel to remove any flammable or toxic gases
Perform a thorough inspection of the vessel for any signs of leaks or damage
Implement proper lockout/tagout procedures to prevent accidental activation of equipment
Provide appropriate personal protective equipment...
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
I was interviewed in Jul 2024.
An electrical panel is a metal box that contains electrical circuit breakers or fuses to control the flow of electricity in a building.
Controls the distribution of electricity throughout a building
Contains circuit breakers or fuses to protect circuits from overloads
Typically located in a utility room or basement
May have labels indicating which circuits are connected to each breaker
Regular inspection, cleaning, lubrication, and testing are key practices for electrical motor maintenance.
Regularly inspect motor for signs of wear or damage
Keep motor clean and free of dust and debris
Lubricate moving parts as recommended by manufacturer
Test motor performance regularly to detect any issues early
Follow proper storage and handling procedures when not in use
I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.
My GD topic was renewable energy.
I am a Senior Engineer with 10+ years of experience in designing and implementing complex systems.
10+ years of experience in engineering
Specialize in designing and implementing complex systems
Strong problem-solving skills
Experience with various programming languages such as Java, Python, and C++
Seeking new challenges and growth opportunities at GAIL.
Desire for new challenges and opportunities for growth
Interested in working in a different industry or with different technologies
Attracted to GAIL's reputation and projects
Seeking a more collaborative and innovative work environment
My parents are both retired now, but my father used to work as a civil engineer and my mother was a teacher.
Father worked as a civil engineer
Mother was a teacher
Both are retired now
Yes, I have visited Delhi earlier for a business trip.
Visited Delhi for a business trip
Explored historical sites like Red Fort and Qutub Minar
Enjoyed local cuisine like butter chicken and chaat
I am staying at a hotel in Sector 18, Noida for the interview process.
Staying at a hotel in Sector 18, Noida
Close to the interview location
Comfortable accommodation for the duration of the process
Decoking process involves removing coke deposits from cracking furnace and naphtha circuit to maintain efficiency.
Decoking process involves burning off coke deposits using controlled combustion.
Mechanical decoking involves using high-pressure water jets to remove coke deposits.
Chemical decoking involves using solvents or acids to dissolve coke deposits.
Regular decoking is essential to prevent blockages and maintain fur
Refrigeration cycles are thermodynamic processes used in refrigerators and air conditioners to transfer heat from a low temperature reservoir to a high temperature reservoir.
Refrigeration cycles typically involve four main components: compressor, condenser, expansion valve, and evaporator.
The refrigerant undergoes a cycle of compression, condensation, expansion, and evaporation to absorb heat from the space being coole...
Safety procedures before starting a hot job include obtaining a hot work permit, conducting a hazard assessment, ensuring proper ventilation, and having fire extinguishing equipment nearby.
Obtain a hot work permit before starting any hot job
Conduct a hazard assessment to identify potential risks
Ensure proper ventilation in the work area to prevent buildup of flammable gases
Have fire extinguishing equipment nearby and r
GAIL interview questions for popular designations
I applied via Walk-in and was interviewed in Apr 2024. There were 5 interview rounds.
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease voltage levels in electrical circuits.
They consist of primary and secondary coils wound around a core made of ferromagnetic material.
Step-up transformers increase voltage for long-distance power transmission, while step-down transformers decrease voltage...
Get interview-ready with Top GAIL Interview Questions
I applied via Approached by Company and was interviewed in Jul 2024. There was 1 interview round.
The unit of resistance is ohm (Ω), named after German physicist Georg Simon Ohm.
The unit symbol for resistance is Ω
Resistance is measured using an ohmmeter
1 ohm is equal to 1 volt per ampere (V/A)
The unit of current is Ampere (A)
The unit of current is named after the French physicist Andre-Marie Ampere
1 Ampere is defined as the flow of 1 Coulomb of charge per second
Commonly used prefixes for current include milliampere (mA) and microampere (μA)
I was interviewed before Feb 2024.
Maths and reasoning , basic aptitude and personal information
The network architecture of my previous organization consisted of a centralized data center with multiple branch offices connected via MPLS.
Centralized data center with redundant core switches and firewalls
Branch offices connected via MPLS for secure communication
Implemented VLANs to segregate network traffic
Configured and maintained routers, switches, and firewalls
Monitored network performance and security incidents
STP stands for Spanning Tree Protocol, a network protocol that ensures a loop-free topology in Ethernet networks.
STP is used to prevent loops in Ethernet networks by blocking redundant paths.
It selects a single path for data transmission while blocking others to prevent network loops.
STP operates by exchanging messages between network switches to determine the most efficient path.
STP can be improved with enhancements l...
Wireless troubleshooting involves identifying and resolving issues with wireless networks.
Check for physical obstructions that may be blocking the signal
Verify that the wireless router is properly configured and functioning
Ensure that the correct network SSID and password are being used
Check for interference from other electronic devices
Update firmware and drivers for network devices
I applied via Approached by Company and was interviewed in Jan 2024. There was 1 interview round.
I applied via Aa and was interviewed in Jun 2024. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jan 2024. There was 1 interview round.
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The duration of GAIL interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 61 interviews
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