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Railtel Corporation Of India NOC Support Engineer L1 Interview Questions and Answers

Updated 31 Mar 2024

Railtel Corporation Of India NOC Support Engineer L1 Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Read CCNA course...

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Feb 2024.

Round 1 - Aptitude Test 

Maths and reasoning , basic aptitude and personal information

Round 2 - One-on-one 

(3 Questions)

  • Q1. Can you explain the network architecture of your previous organization and describe your responsibilities within that framework?
  • Ans. 

    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

  • Answered by AI
  • Q2. Explain stp
  • Ans. 

    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...

  • Answered by AI
  • Q3. Explain wireless troubleshooting
  • Ans. 

    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

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Formalities documentation Ccna

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with concepts
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Analysis , graph , dp , recursion

Round 2 - Coding Test 

Array, string, graph

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jan 2024. There were 3 interview rounds.

Round 1 - Group Discussion 

My GD topic was renewable energy.

Round 2 - HR 

(7 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    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++

  • Answered by AI
  • Q2. Why do you want to leave your previous company and join GAIL
  • Ans. 

    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

  • Answered by AI
  • Q3. What do your parents do
  • Ans. 

    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

  • Answered by AI
  • Q4. Have you ever visited Delhi earlier
  • Ans. 

    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

  • Answered by AI
  • Q5. How did you reach Noida for interview
  • Q6. Where are you staying in Noida for interview process
  • Ans. 

    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

  • Answered by AI
  • Q7. Related family background
Round 3 - Technical 

(7 Questions)

  • Q1. Detailed technical questions about bearing, pump, furnace tubes (1st and 2nd pass)MOC, TLE MOC, heat exchanger tube MOC, TEMA codes and classification etc.
  • Q2. Decoking process of cracking furnace, Naphtha circuit of furnace with sketches,
  • Ans. 

    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

  • Answered by AI
  • Q3. Detailed refrigeration cycles
  • Ans. 

    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...

  • Answered by AI
  • Q4. Safety related questions which I couldn't answer well
  • Q5. Safety procedures before starting of hot job
  • Ans. 

    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

  • Answered by AI
  • Q6. Furnace tubes Welding related questions
  • Q7. Scaffolding and insulation related general questions (easy)

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for GD and just keep enough technical knowledge on your field of experience. Be relaxed and give interview with happy face..don't be depressed if you couldn't answer any question during interview. If you don't know anything just say "I don't know" ...keep the things simple and give honest answer always.

I applied via Company Website and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. How will you identify if a pump is cavitating while working on a DCS panel?
  • Ans. 

    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...

  • Answered by AI
  • Q2. How would you prepare a hydrocarbon vessel for vessel entry?
  • Ans. 

    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...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for GAIL Senior Engineer interview:
  • Chemical Engineering
  • DCS Operations
Interview preparation tips for other job seekers - Try to answer the questions asked in simple words. The interviewer generally wants to judge an interviewee based on his understanding of the subject. When an applicant is appearing for an interview, he should share his experience and try to quote examples from his experience.

I applied via Referral and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. OOPS concept
  • Q2. Database concepts and modal concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself and prepare for OOPS at most
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Newspaper Ad and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. I was asked to make a presentation on laser technology.
Round 3 - Aptitude Test 

Knowledge of the English language, its vocabulary and comprehension. Ability to solve basic mathematical problem, which shows the capacity to use an analytical approach to everyday puzzles.

Interview Preparation Tips

Interview preparation tips for other job seekers - One needs to present a bright visage. Then, you have to open minded towards the solutions to problems, instead of being dogmatic.

I applied via Company Website and was interviewed in Nov 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. About work experience and responsibilities
  • Q2. Why you are leaving to present job

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain your confidence level, give suitable answer if you know otherwise say sorry and move to next question....

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What are your roles in your current job
  • Ans. Explaned about my roles and responsibilities
  • Answered Anonymously
  • Q2. How do you tackle vibrations in axial fans
  • Ans. 

    To tackle vibrations in axial fans, proper balancing, alignment, and maintenance are essential.

    • Perform dynamic balancing of the fan blades to minimize vibrations.

    • Ensure proper alignment of the fan with the motor and the surrounding structure.

    • Regularly inspect and maintain the fan components to prevent wear and tear.

    • Use vibration analysis techniques to identify and address any potential issues.

    • Consider installing vibrat...

  • Answered by AI
  • Q3. What are the challenges you faced your job
  • Ans. Explained about our ID fan hydro coupling issue
  • Answered Anonymously
  • Q4. What permit system do you follow
  • Ans. 

    We follow a permit system based on the project requirements and local regulations.

    • Our permit system ensures compliance with safety standards and legal requirements.

    • We obtain permits for activities such as construction, electrical work, and hazardous material handling.

    • The specific permit requirements vary depending on the nature of the project and the location.

    • We work closely with regulatory authorities to ensure timely...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Know the constraints in your answer so that interviewer not go further into particular topic
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Approached by Company

Round 1 - Technical 

(1 Question)

  • Q1. Transformer working Principal
  • Ans. 

    Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

    • Transformers have two coils of wire, known as primary and secondary coils.

    • When an alternating current flows through the primary coil, it creates a changing magnetic field.

    • This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy.

    • Transformers are used to st...

  • Answered by AI

Railtel Corporation Of India Interview FAQs

How many rounds are there in Railtel Corporation Of India NOC Support Engineer L1 interview?
Railtel Corporation Of India interview process usually has 1 rounds. The most common rounds in the Railtel Corporation Of India interview process are Technical.

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Railtel Corporation Of India NOC Support Engineer L1 Interview Process

based on 1 interview

Interview experience

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Good
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