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Nasser S. Al Hajri Corporation Interview Questions and Answers

Updated 17 Mar 2025

Nasser S. Al Hajri Corporation Interview Experiences

Popular Designations

32 interviews found

Round 1 - Technical 

(2 Questions)

  • Q1. What is the UEL and LEL in oil and Gas sector?
  • Ans. 

    UEL and LEL are Upper and Lower Explosive Limits respectively, used to define the range of flammable gas concentration in air.

    • UEL is the maximum concentration of a gas in air that can produce an explosion when an ignition source is present.

    • LEL is the minimum concentration of a gas in air that can produce an explosion when an ignition source is present.

    • In the oil and gas sector, UEL and LEL are important for safety as t...

  • Answered by AI
  • Q2. Maximum depth consider for permit required confined space
  • Ans. 

    The maximum depth for permit required confined space varies depending on the regulations and standards of the country or region.

    • The maximum depth is usually specified in the permit to enter the confined space.

    • In the United States, OSHA defines a confined space as having limited means of entry or exit, being large enough for a worker to enter, and not designed for continuous occupancy. The maximum depth for a permit-req...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Always focus on your subject. Pay attention at your target.

Project HSE Manager Interview Questions asked at other Companies

Q1. What are the regulations in the telecommunications industry?
View answer (1)

I applied via Newspaper Ad and was interviewed in Apr 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Self brief Educational Experiences And Approvals
  • Q2. Salary Accepted and Perks benefit

Interview Preparation Tips

Topics to prepare for Nasser S. Al Hajri Corporation Mechanical Piping Engineer interview:
  • ASME STANDARDS AND SECTIONS & API
Interview preparation tips for other job seekers - CBT OR APRROVALS OF SAUDI ARAMCO IS MUST TO GO FOR THIS COMPANY BECAUSE THIS COMPANY HAVE ALL SAUDI ARAMCO PROJECTS OVERALL KINGDOM

Mechanical Piping Engineer Interview Questions asked at other Companies

Q1. What is the difference between piping and tubes.
View answer (3)

I applied via Recruitment Consulltant and was interviewed in Jul 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 tips
Round 2 - Aptitude Test 

H2s, confined space hazard and precaution, what's different b/w pre commissioning & commissioning, PSV, SWL, STEL, What's is ur pervious experience eg. Flare erection, tank erection, pre commissioning & commissioning, 11kv crude substation.

Interview Preparation Tips

Topics to prepare for Nasser S. Al Hajri Corporation Safety Officer interview:
  • Nebosh igc
Interview preparation tips for other job seekers - Be prepare don't think i know some accurate questions they will ask, don't over confident best of luck.

Safety Officer Interview Questions asked at other Companies

Q1. If you don't have any safety equipment and documents how to complete the work ?
View answer (18)
Interview experience
3
Average
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Dec 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 - One-on-one 

(2 Questions)

  • Q1. Basic welding inspection questions?
  • Q2. ASME codes regarding material inspection, wqt,pqr.?
  • Ans. 

    ASME codes require material inspection, WQT, and PQR for welding processes.

    • ASME codes mandate material inspection to ensure quality and safety.

    • WQT (Welding Procedure Qualification Test) is used to qualify a welding procedure before it is used in production.

    • PQR (Procedure Qualification Record) is a document that records the results of a WQT.

    • ASME codes also specify the requirements for welding materials, such as filler m...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident, bargain the salary. you wont get any hike or incentives for 2 years.

Piping and Welding Inspector Interview Questions asked at other Companies

Q1. ASME codes regarding material inspection, wqt,pqr.?
View answer (1)

Nasser S. Al Hajri Corporation interview questions for popular designations

 Piping Engineer

 (2)

 Safety Officer

 (2)

 Scaffolding Supervisor

 (2)

 HSE Officer

 (2)

 Piping Supervisor

 (2)

 Planning Engineer

 (1)

 Electrical Engineer

 (1)

 Quality Engineer

 (1)

Interview Questionnaire 

1 Question

  • Q1. Dear Friends I am sharing some questions regarding Piping Engineer interview. 1. Piping drawing template. 2. Piping support and it's type. 3. ASME codes of Materials. And some questions regarding your old ...

Piping Engineer Interview Questions asked at other Companies

Q1. What is the basic difference between Pipe specification A106 Gr.A / Gr.B/ Gr.C.?
View answer (4)

I applied via Recruitment Consulltant and was interviewed before Jul 2021. There was 1 interview round.

Round 1 - Telephonic Call 

(2 Questions)

  • Q1. How many type of scaffolding 's?
  • Ans. 

    There are several types of scaffolding used in construction projects.

    • Supported scaffolding: Most common type, supported by poles, frames, or outriggers.

    • Suspended scaffolding: Hangs from the roof or other overhead structure.

    • Rolling scaffolding: Equipped with wheels for easy movement.

    • Cantilever scaffolding: Supported by a series of needles and cantilevers.

    • Trestle scaffolding: Supported by movable tripods or ladders.

    • Steel...

  • Answered by AI
  • Q2. What is scaffolding in construction work?
  • Ans. 

    Scaffolding in construction work refers to a temporary structure used to support workers and materials during building or maintenance projects.

    • Scaffolding provides a safe and stable platform for workers to perform tasks at heights.

    • It is typically made of metal pipes or tubes and is erected around the perimeter of a building or structure.

    • Scaffolding allows workers to access hard-to-reach areas and facilitates the moveme...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Nasser S. Al Hajri Corporation Scaffolding Supervisor interview:
  • Work knowledge
  • Suggestions for the company.
  • Why Do You Want This Job?
Interview preparation tips for other job seekers - Pump yourself up and stay positive.
Know yourself and what you want.
Apply Even If You're Not a 100 Percent Match.

Top Nasser S. Al Hajri Corporation Scaffolding Supervisor Interview Questions and Answers

Q1. hanging scaffolding how make the work more capacity
View answer (7)

Scaffolding Supervisor Interview Questions asked at other Companies

Q1. hanging scaffolding how make the work more capacity
View answer (7)

HSE Officer Interview Questions & Answers

user image Anonymous

posted on 17 Jun 2021

Interview Questionnaire 

1 Question

  • Q1. Precommition and commition activity realated question

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 (7)

Interview Questions & Answers

user image Anonymous

posted on 21 Aug 2021

I applied via Walk-in and was interviewed in Feb 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. About cable laying,tray installation, instrument installation, extension faibrication, megar and continuity cheak

Interview Preparation Tips

Interview preparation tips for other job seekers - All folwo approved drawing and said condition,instrument installation 1.5mtr,jb installation center 1.5mtr.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be patient, be good, good communication

Welding Inspector Interview Questions asked at other Companies

Q1. If Any any pass in 3G plate postion in what position is qualified?
View answer (7)

I applied via Recruitment Consulltant and was interviewed before Jun 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 - One-on-one 

(1 Question)

  • Q1. Previous experience in detail

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your answers short specific and clear.

Planning Engineer Interview Questions asked at other Companies

Q1. Prepare a small given example site schedule with sequencing and duration determine project duration in MSP/on Paper What is critical path method? How will you identify while making on paper rather than MSP? How would you track schedule-Proc... read more
View answer (1)

Nasser S. Al Hajri Corporation Interview FAQs

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

Some of the top questions asked at the Nasser S. Al Hajri Corporation interview -

  1. hanging scaffolding how make the work more capac...read more
  2. How many type of scaffolding ...read more
  3. What is scaffolding in construction wo...read more

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Nasser S. Al Hajri Corporation Interview Process

based on 41 interviews

Interview experience

4
  
Good
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Nasser S. Al Hajri Corporation Reviews and Ratings

based on 857 reviews

3.6/5

Rating in categories

3.6

Skill development

3.4

Work-life balance

3.3

Salary

3.8

Job security

3.1

Company culture

3.2

Promotions

3.3

Work satisfaction

Explore 857 Reviews and Ratings
Piping Supervisor
64 salaries
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₹4 L/yr - ₹16 L/yr

Piping Engineer
62 salaries
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₹5.6 L/yr - ₹18 L/yr

Safety Officer
44 salaries
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₹4.9 L/yr - ₹14.1 L/yr

Planning Engineer
43 salaries
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₹4 L/yr - ₹16.9 L/yr

HSE Officer
39 salaries
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₹4.9 L/yr - ₹16.1 L/yr

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