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Oil And Natural Gas Corporation Interview Questions, Process, and Tips

Updated 25 Feb 2025

Top Oil And Natural Gas Corporation Interview Questions and Answers

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Oil And Natural Gas Corporation Interview Experiences

Popular Designations

69 interviews found

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

I applied via Recruitment Consulltant and was interviewed in Jan 2023. 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 

(4 Questions)

  • Q1. 1. What is the VAV, HVAC, AHU, full froms 2. What are the refrigeration cycle 3. Types of chillers
  • Ans. 

    This interview question is about VAV, HVAC, AHU, refrigeration cycle, and types of chillers.

    • VAV stands for Variable Air Volume, HVAC stands for Heating, Ventilation, and Air Conditioning, and AHU stands for Air Handling Unit.

    • The refrigeration cycle is a process that removes heat from a low-temperature area and transfers it to a high-temperature area.

    • Types of chillers include air-cooled chillers, water-cooled chillers,

  • Answered by AI
  • Q2. 1. Variable air volume, Heating variable Air conditioning, Air handler unit, 2. Compressor condenser Drive filter expansion evaporator 3. Water cooled chiller & Air cooled chiller
  • Q3. 4. Type of compressors
  • Ans. 

    There are several types of compressors used in refrigeration and air conditioning systems.

    • Reciprocating compressors use pistons to compress refrigerant gas.

    • Rotary compressors use rotating blades or vanes to compress refrigerant gas.

    • Scroll compressors use two spiral-shaped scrolls to compress refrigerant gas.

    • Centrifugal compressors use a high-speed impeller to compress refrigerant gas.

    • Screw compressors use two interlock...

  • Answered by AI
  • Q4. Screw compressor Piston compressor Centrifugal compressor Reciprocating compressor Rotary-screw compressor Scroll compressor

Interview Preparation Tips

Topics to prepare for Oil And Natural Gas Corporation Refrigeration and Air Conditioning Mechanic interview:
  • HVAC System
  • Chiller Plant
Interview preparation tips for other job seekers - Hvac, chillers, package ac, vrf, split ac, window ac,

Refrigeration and Air Conditioning Mechanic Interview Questions asked at other Companies

Q1. 1. What is the VAV, HVAC, AHU, full froms 2. What are the refrigeration cycle 3. Types of chillers
View answer (1)

Interview Questions & Answers

user image Anonymous

posted on 24 Oct 2023

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

I applied via Recruitment Consulltant and was interviewed in Jul 2023. 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. Just Ask about you.
  • Q2. 1. Explain your work experience. 2. Basic Questions of Health and Safety 3. Iso standards 4. Scenario based Questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be genuine.
Don't put any fake information
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic coding test questions like arrays

Round 2 - HR 

(1 Question)

  • Q1. Basic Questions were asked

Engineer Trainee Interview Questions asked at other Companies

Q1. If 10 people had a meeting and they shake hands only once with each of the others, then how many handshakes will be there in total ?
View answer (8)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. What is ohms law
  • Ans. 

    Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.

    • Ohm's law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

    • It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

    • For example, if a circuit has a voltag...

  • Answered by AI

Executive Engineer Interview Questions asked at other Companies

Q1. Question 1: What is memory leak? Question 2: What is static variable in C? with program Question 3: What are local variable and global variables? and their default values and program Question 4: What is method overriding? with program
View answer (1)

Oil And Natural Gas Corporation interview questions for popular designations

 Summer Intern

 (4)

 Intern

 (4)

 Assistant Engineer

 (2)

 Graduate Trainee

 (2)

 Medical Officer

 (2)

 Geologist

 (2)

 Structural and Geotechnical Design

 (1)

 Engineer

 (1)

I applied via Recruitment Consulltant and was interviewed before Dec 2020. There were 2 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. What is the HVAC, & AHV, VAV, AHU Full forms
  • Ans. 

    HVAC stands for Heating, Ventilation, and Air Conditioning. AHV refers to Air Handling Unit. VAV stands for Variable Air Volume.

    • HVAC is a system that provides heating, cooling, and ventilation to a building or space.

    • AHU is a device used to circulate and condition air as part of an HVAC system.

    • VAV is a type of HVAC system that allows for variable airflow and temperature control in different zones of a building.

    • AHV is no

  • Answered by AI
  • Q2. Heating variabla Air conditioning, Variable air volume Air handler unit system ,
  • Q3. Chillers heating variable air conditioning
  • Q4. Chillers heating variable air conditioning s
  • Q5. Refrigeration and air conditioning system comperssor,
  • Q6. Compressors and condenser drive filter evaporator

Interview Preparation Tips

Topics to prepare for Oil And Natural Gas Corporation Hvac Mechanical Engineer interview:
  • HVAC
  • Chillers
Interview preparation tips for other job seekers - Google ongc, hvac chillers system
Air heading unit

Hvac Mechanical Engineer Interview Questions asked at other Companies

Q1. What is the HVAC, & AHV, VAV, AHU Full forms
View answer (2)

Get interview-ready with Top Oil And Natural Gas Corporation Interview Questions

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Company Website and was interviewed in Jun 2023. 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 - Aptitude Test 

Written test F&A,Tax Aptitude etc

Round 3 - One-on-one 

(2 Questions)

  • Q1. Finance, Working experience,
  • Q2. EBITDA,IND AS, Procurement guidelines

Senior Accounts Officer Interview Questions asked at other Companies

Q1. closing stock appears in which part of TB... Debit or Credit
View answer (2)

Intern Interview Questions & Answers

user image Anonymous

posted on 25 Aug 2023

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
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 - Group Discussion 

Group discussion will be tough

Round 3 - Technical 

(1 Question)

  • Q1. Basic knowledge of gas industry

Interview Preparation Tips

Interview preparation tips for other job seekers - Yo can

Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more
View answer (8)
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Dec 2022. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Interview was Already Fixed
  • Q2. Non Clinical Round about OPD Cases

Interview Preparation Tips

Interview preparation tips for other job seekers - ONGC already decided the candidate before interview on the basis of jack from superior officers and on the basis of payment to interview board

General Duty Medical Officer Interview Questions asked at other Companies

Q1. How do you manage burn patient?
Add answer

I applied via Company Website and was interviewed in Sep 2022. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is your Educational qualification?
  • Q2. Graduated in Bachelor of Arts
Round 2 - One-on-one 

(3 Questions)

  • Q1. Why do you want to work here?
  • Ans. Working in ONGC is a good opportunity to learn not only about our own field but also other inter disciplinary subjects.It
  • Answered Anonymously
  • Q2. Where do you come from
  • Ans. I stay in tilak nagar Chembur
  • Answered Anonymously
  • Q3. Why do you want to work in ONGC
  • Ans. Working in ONGC is a good opportunity to learn not only about our own field but also other inter disciplinary subjects.It is very exciting and adventurous to work in ONGC. First of all, it is my first opportunity so, I want to grab it with my both hands open.
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - Market yourself. ...
Apply even if you're not fully qualified. ...
Job search like it's your job. ...
Use informational interviews to network. ...
Set yourself apart with letters of recommendation. ...
Know yourself and what you want. ...
Pump yourself up and stay positive.

Radiologist Interview Questions & Answers

user image Anonymous

posted on 4 Aug 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Based on medical field

Round 2 - One-on-one 

(2 Questions)

  • Q1. Personal questions will be asked
  • Q2. What are your expectations from the company
Round 3 - Personal Interview 

(1 Question)

  • Q1. They'll try to know you and will ask how you would be beneficial for the company

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join ongc if you're a doctor want to practice medicine, but yes you want a calm life , not only go for it , fight for it.

Oil And Natural Gas Corporation Interview FAQs

How many rounds are there in Oil And Natural Gas Corporation interview?
Oil And Natural Gas Corporation interview process usually has 1-2 rounds. The most common rounds in the Oil And Natural Gas Corporation interview process are Technical, Resume Shortlist and One-on-one Round.
What are the top questions asked in Oil And Natural Gas Corporation interview?

Some of the top questions asked at the Oil And Natural Gas Corporation interview -

  1. What is the HVAC, & AHV, VAV, AHU Full fo...read more
  2. Have you gone to see any drilling or petroleum extraction site? what are the k...read more
  3. There is a cantilever slab and it is in a very old and dilapidated condition, i...read more
How long is the Oil And Natural Gas Corporation interview process?

The duration of Oil And Natural Gas Corporation interview process can vary, but typically it takes about less than 2 weeks to complete.

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Oil And Natural Gas Corporation Interview Process

based on 71 interviews

Interview experience

4.1
  
Good
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Oil And Natural Gas Corporation Reviews and Ratings

based on 1k reviews

4.3/5

Rating in categories

4.0

Skill development

4.3

Work-life balance

4.1

Salary

4.3

Job security

4.1

Company culture

3.8

Promotions

4.1

Work satisfaction

Explore 1k Reviews and Ratings
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