Upload Button Icon Add office photos

ADNOC

Compare button icon Compare button icon Compare

Filter interviews by

ADNOC Interview Questions, Process, and Tips

Updated 8 Jan 2025

Top ADNOC Interview Questions and Answers

View all 37 questions

ADNOC Interview Experiences

Popular Designations

24 interviews found

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Portal and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Can't remember the question
  • Q2. Can't recall the question

Mechanical Designer Interview Questions asked at other Companies

Q1. How will you perform analysis test of a structure in solid works or on ANSYS .?
View answer (2)

Sopra Steria

Rated 4 for Job Security by our employees on AmbitionBox

Secure your future with a company that values your job stability.

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I applied via Recruitment Consulltant

Round 1 - Technical 

(2 Questions)

  • Q1. I am electrical technician Offshor returner
  • Q2. Diploma 12th
Round 2 - Technical 

(1 Question)

  • Q1. To

Electrical Technician Interview Questions asked at other Companies

Q1. Preventive Maintenance of All Kinds of H.V & LV Breakers, Motors, Voltage Up To 33 KV & 11 KV & 6.6.KV /2400 KW ,Transformer(15.75KV /230 KV ), Corrective Maintenance of HV/MV /LV Switches gears,VCB,ACB,MOCB,SF6 Breakers, Breake... read more
View answer (4)
ADNOC Interview Questions and Answers for Freshers
illustration image
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Skills and responsibilities
  • Q2. Experience

Production Supervisor Interview Questions asked at other Companies

Q1. What is the responsibility of production supervisor?
View answer (48)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

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

Round 1 - Technical 

(2 Questions)

  • Q1. How is the pipe injected before argon welding?
  • Ans. 

    The pipe is injected with argon gas before welding to create an inert atmosphere.

    • Before welding, the pipe is purged with argon gas to remove any oxygen and moisture that could contaminate the weld.

    • This is typically done using a purge gas system that fills the pipe with argon and then vents it out before welding.

    • Purging with argon helps prevent oxidation and ensures a clean, strong weld.

    • Proper purging techniques are ess...

  • Answered by AI
  • Q2. What types of metals should be injected before the welding process?
  • Ans. 

    Metals such as stainless steel, carbon steel, and aluminum are commonly used before the welding process.

    • Stainless steel is often used for its corrosion resistance and durability.

    • Carbon steel is commonly used for its strength and affordability.

    • Aluminum is lightweight and has good conductivity, making it suitable for certain applications.

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. How are the dimensions of the elbow of unknown degree calculated?
  • Ans. 

    Dimensions of the elbow of unknown degree are calculated using trigonometry and geometry.

    • Calculate the centerline radius of the elbow.

    • Use trigonometry to find the length of the elbow.

    • Consider the angle of the elbow to determine the dimensions.

    • Measure the outside diameter and wall thickness of the pipe for accurate calculations.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Gaining experience, respecting others, and self-development is essential

Pipe Fabricator Interview Questions asked at other Companies

Q1. How are the dimensions of the elbow of unknown degree calculated?
View answer (1)

ADNOC interview questions for popular designations

 Senior Mechanical Technician

 (2)

 Electrical Technician

 (1)

 Production Supervisor

 (1)

 Safety Officer

 (1)

 Electrical Engineer

 (1)

 Instrumentation Technician

 (1)

 Chemical Engineer

 (1)

 Quality Engineer

 (1)

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Hydrotest test pack contains 3 main things what are they?
  • Ans. 

    The three main things in a hydrotest test pack are pressure gauges, test pumps, and test plugs.

    • Pressure gauges are used to measure the pressure during the hydrotest.

    • Test pumps are used to generate the required pressure for the test.

    • Test plugs are used to seal off the openings in the system being tested.

  • Answered by AI
  • Q2. Cement coating standards on the cross country pipeline?
  • Ans. 

    Cement coating standards ensure the quality and durability of cross country pipelines.

    • Cement coating standards specify the thickness and composition of the coating.

    • Standards also define the application and curing processes for the coating.

    • Coating standards ensure protection against corrosion and mechanical damage.

    • Examples of cement coating standards include API RP 5L2 and ISO 21809-1.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - know what is the proper job role before attending the interview.

Quality Engineer Interview Questions asked at other Companies

Q1. What is MSA and addition of msa version, type of msa ,what different between variable data and attibute data .why difine flase and miss rate calculate by msa .
View answer (8)

Get interview-ready with Top ADNOC Interview Questions

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. If any emergency what can do
  • Ans. 

    In case of an emergency, I would remain calm, assess the situation, and take appropriate action to ensure the safety of all individuals involved.

    • Remain calm and assess the situation quickly

    • Follow emergency protocols and procedures

    • Ensure the safety of all individuals involved

    • Contact emergency services if necessary

    • Provide first aid or medical assistance if trained to do so

  • Answered by AI
  • Q2. How is responsible in work side

Mechanical Foreman Interview Questions asked at other Companies

Q1. Will you be able to manage confined space activities?? What are the hazards and how will you mitigate them?
View answer (2)
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Group Discussion 

Before any confine space entry , we should know , such as Gas test , frequent fas test every 1 hrs , running air , blower on any manhole ,facial policy , guiding rope line , and every Hours , to be change working team or out side rest for 10 minute

Interview Preparation Tips

Interview preparation tips for other job seekers - Work with all safety procedure

Quality Control Inspector Interview Questions asked at other Companies

Q1. Qu 1 Varniyer caliper list caount, Qu2 micrometer list caount, Qu 3 gdrawing angal , Qu 4 +/- caculater, 0.20 +/- 0.05
View answer (2)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Equipment rotor balancing
  • Q2. Vibration analysis

Interview Preparation Tips

Interview preparation tips for other job seekers - Be ready to move to other company at anytime.

HSE Officer Interview Questions & Answers

user image Anonymous

posted on 29 Nov 2023

Interview experience
4
Good
Difficulty level
Hard
Process Duration
2-4 weeks
Result
-

I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Regarding all critical activities
Round 3 - Assignment 

Related oil &gas , experienced based quastions

HSE Officer Interview Questions asked at other Companies

Q1. What is Critical Lifting (Erection activity) , Tandem Lifting please state its Hazards and Precautions ?
View answer (6)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Naukri.com and was interviewed in Nov 2022. 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 Resume tips
Round 2 - Technical 

(13 Questions)

  • Q1. How much carbon percentage in Carbon Steel
  • Ans. 

    The carbon percentage in carbon steel varies from 0.05% to 2.0% depending on the grade.

    • Carbon steel is an alloy of iron and carbon.

    • The amount of carbon in carbon steel determines its strength and hardness.

    • Low carbon steel contains less than 0.3% carbon, while high carbon steel contains more than 0.6% carbon.

    • Some common grades of carbon steel and their carbon percentage are: A36 (0.26%), 1018 (0.18%), and 1045 (0.45%).

  • Answered by AI
  • Q2. What is difference between concentric and eccentric reducer
  • Ans. 

    Concentric reducers have a common centerline while eccentric reducers have an offset centerline.

    • Concentric reducers are used in vertical piping systems to prevent accumulation of air pockets.

    • Eccentric reducers are used in horizontal piping systems to prevent accumulation of solids or liquids.

    • Concentric reducers are symmetrical while eccentric reducers are not.

    • Concentric reducers are easier to manufacture and install th

  • Answered by AI
  • Q3. Which reinforcement fittings used in piping
  • Ans. 

    Reinforcement fittings are used to strengthen and support piping systems.

    • Common reinforcement fittings include tees, elbows, reducers, and couplings.

    • Telescoping fittings are used to adjust the length of piping systems.

    • Flange fittings are used to connect pipes to other equipment or structures.

    • Saddles are used to support piping systems on walls or ceilings.

    • Reinforcement fittings can be made of various materials, includin...

  • Answered by AI
  • Q4. Why elbo let used in piping
  • Ans. 

    Elbow lets change the direction of flow in piping system.

    • Elbows are used to change the direction of flow in a piping system.

    • They come in different angles such as 45°, 90° and 180°.

    • They are available in different materials such as PVC, copper, steel, etc.

    • Elbows can be welded or threaded onto the piping system.

    • They are commonly used in plumbing, HVAC, and industrial piping systems.

  • Answered by AI
  • Q5. If we have to replace bypass valve on top of vessel and plant is running, then how to replace that valve ??
  • Ans. 

    The bypass valve can be replaced by isolating the vessel, depressurizing it, and then replacing the valve.

    • Isolate the vessel by closing the inlet and outlet valves

    • Depressurize the vessel by venting the gas or liquid

    • Remove the old valve and install the new one

    • Repressurize the vessel and open the inlet and outlet valves

  • Answered by AI
  • Q6. What is Permit to work
  • Ans. 

    Permit to work is a formal written system used to control high-risk activities.

    • It is a document that outlines the work to be done and the hazards associated with it.

    • It is used to ensure that all necessary safety precautions are taken before work begins.

    • It is issued by a competent authority and must be signed by all parties involved in the work.

    • Examples include hot work permits, confined space permits, and excavation pe

  • Answered by AI
  • Q7. Tell me about yourself and your experience
  • Q8. What is isolation and how many types of isolation
  • Ans. 

    Isolation is the process of separating a system or equipment from its energy source to ensure safety during maintenance or repair.

    • Isolation involves disconnecting a system or equipment from its power source, locking it out, and tagging it to prevent accidental re-energization.

    • There are two types of isolation: electrical isolation and mechanical isolation.

    • Electrical isolation involves disconnecting the electrical supply...

  • Answered by AI
  • Q9. What is positive isolation
  • Ans. 

    Positive isolation is the process of completely isolating a section of a system to prevent any flow or transfer of material.

    • Positive isolation is achieved by using valves, blinds, or other physical barriers to completely block the flow of material.

    • It is important for safety and maintenance purposes, as it allows workers to safely perform tasks without the risk of exposure to hazardous materials.

    • Examples of positive iso...

  • Answered by AI
  • Q10. How to do positive isolation
  • Ans. 

    Positive isolation is the process of completely isolating a section of piping or equipment from the rest of the system to perform maintenance or repairs.

    • Identify the section of piping or equipment that needs to be isolated

    • Close all valves and block all lines leading to and from the section

    • Use blind flanges or spectacle blinds to physically block the section

    • Ensure that the isolation is secure and pressure tested before ...

  • Answered by AI
  • Q11. When we do nitrogen purging and why it's required
  • Ans. 

    Nitrogen purging is done to remove impurities and oxygen from pipelines before commissioning or maintenance work.

    • Nitrogen purging is done to create an inert atmosphere inside the pipeline to prevent explosions or fires.

    • It is required before commissioning or maintenance work to remove impurities and oxygen from the pipeline.

    • Nitrogen purging is also done to prevent corrosion and contamination of the pipeline.

    • It is common...

  • Answered by AI
  • Q12. What is difference between pipe and tube
  • Ans. 

    Pipes are used to transport fluids and gases, while tubes are used for structural purposes.

    • Pipes have a standardized outer diameter and wall thickness, while tubes have a standardized inner diameter and wall thickness.

    • Pipes are typically round, while tubes can be round, square, or rectangular.

    • Pipes are often used in plumbing and HVAC systems, while tubes are used in construction and engineering applications.

    • Pipes are u...

  • Answered by AI
  • Q13. Which pipe material or standard used in past experience
  • Ans. 

    I have experience working with various pipe materials and standards including carbon steel, stainless steel, and PVC.

    • I have worked with carbon steel pipes in a power plant project.

    • I have also worked with stainless steel pipes in a pharmaceutical plant project.

    • In a water treatment plant project, I have worked with PVC pipes.

    • I am familiar with ASME B31.3, API 5L, and ASTM standards for pipe materials and welding procedur

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Read your resume carefully, be confident, eye contact and imagine that you knew better than them , if you don't know say I don't know , don't answer in stories , always prepare for interview as per company requirements.

Top ADNOC Piping Supervisor Interview Questions and Answers

Q1. If we have to replace bypass valve on top of vessel and plant is running, then how to replace that valve ??
View answer (2)

Piping Supervisor Interview Questions asked at other Companies

Q1. If we have to replace bypass valve on top of vessel and plant is running, then how to replace that valve ??
View answer (2)
Contribute & help others!
anonymous
You can choose to be anonymous

ADNOC Interview FAQs

How many rounds are there in ADNOC interview?
ADNOC interview process usually has 2-3 rounds. The most common rounds in the ADNOC interview process are Technical, Resume Shortlist and HR.
What are the top questions asked in ADNOC interview?

Some of the top questions asked at the ADNOC interview -

  1. If we have to replace bypass valve on top of vessel and plant is running, then ...read more
  2. What kind of precautions need in Plant running ti...read more
  3. How many types vibration is there in fie...read more
How long is the ADNOC interview process?

The duration of ADNOC interview process can vary, but typically it takes about less than 2 weeks to complete.

Recently Viewed

JOBS

Browse jobs

Discover jobs you love

COMPANY BENEFITS

KNR Constructions

20 benefits

COMPANY BENEFITS

IRB Infrastructure

60 benefits

COMPANY BENEFITS

Dilip Buildcon

304 benefits

COMPANY BENEFITS

Dilip Buildcon

304 benefits

LIST OF COMPANIES

Deepak Foundation

Overview

SALARIES

Updater Services

No Salaries

LIST OF COMPANIES

Updater Services

Overview

SALARIES

Allied Engineers

No Salaries

LIST OF COMPANIES

Allied Engineers

Overview

Tell us how to improve this page.

ADNOC Interview Process

based on 24 interviews

Interview experience

4.4
  
Good
View more

HCLTech

A more secure future awaits you

Interview Questions from Similar Companies

TCS Interview Questions
3.7
 • 10.4k Interviews
Infosys Interview Questions
3.6
 • 7.5k Interviews
Wipro Interview Questions
3.7
 • 5.6k Interviews
Tech Mahindra Interview Questions
3.5
 • 3.8k Interviews
Bharat Petroleum Interview Questions
4.2
 • 148 Interviews
GAIL Interview Questions
4.5
 • 64 Interviews
View all

ADNOC Reviews and Ratings

based on 299 reviews

4.5/5

Rating in categories

4.3

Skill development

4.3

Work-life balance

4.3

Salary

3.9

Job security

4.3

Company culture

3.9

Promotions

4.3

Work satisfaction

Explore 299 Reviews and Ratings
Mechanical Technician
30 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Electrical Technician
27 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Production Operator
19 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Field Operator
15 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Instrumentation Technician
13 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare ADNOC with

Reliance Industries

4.0
Compare

Indian Oil Corporation

4.4
Compare

Bharat Petroleum

4.2
Compare

Hindustan Petroleum

4.2
Compare
Did you find this page helpful?
Yes No
write
Share an Interview