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L&T Energy Hydrocarbon

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based on 1.6k Reviews

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L&T Energy Hydrocarbon QC Engineer Interview Questions and Answers

Updated 13 Oct 2020

L&T Energy Hydrocarbon QC Engineer Interview Experiences

1 interview found

QC Engineer Interview Questions & Answers

user image Anonymous

posted on 13 Oct 2020

I applied via Naukri.com and was interviewed before Oct 2019. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Different between ss304 , 316, 309 material , Pwht purpose, regards codes
  • Ans. 

    Explanation of differences between ss304, 316, 309 materials and the purpose of PWHT in regards to codes.

    • SS304 is a basic stainless steel with good corrosion resistance, SS316 has higher corrosion resistance and is often used in marine environments, SS309 is used for high-temperature applications

    • PWHT (Post Weld Heat Treatment) is used to relieve residual stresses and improve material properties after welding

    • Codes such ...

    • Answered by AI
    Add your answer
  • Q2. Molybdenum is the difference in 304 and 316, 309 using in dissimilar job, Pwht purpose stress relieving, Asme sec 8, 9, 2,5 B31.3
  • Ans. 

    Molybdenum's role in 304, 316, 309 dissimilar jobs, PWHT for stress relief, ASME Sec 8, 9, 2.5, B31.3

    • Molybdenum improves corrosion resistance in stainless steel

    • 304 contains 8-10.5% nickel and 18-20% chromium, while 316 contains 10-14% nickel and 16-18% chromium

    • 309 is used for dissimilar welding of stainless steel to carbon or low-alloy steel

    • PWHT is used to relieve residual stresses in welded components

    • ASME Sec 8, 9, 2....

    • Answered by AI
    Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - They ask questions from experience based , so don't tell lie and wrong information , if they have doubt they will reject.

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I applied via Job Portal and was interviewed before Dec 2021. There were 3 interview rounds.

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More about working at L&T Energy Hydrocarbon

L&T Energy Hydrocarbon Interview FAQs

How to prepare for L&T Energy Hydrocarbon QC Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at L&T Energy Hydrocarbon. The most common topics and skills that interviewers at L&T Energy Hydrocarbon expect are Construction, Customer Complaints, PMC, Product Quality and QAP.
What are the top questions asked in L&T Energy Hydrocarbon QC Engineer interview?

Some of the top questions asked at the L&T Energy Hydrocarbon QC Engineer interview -

  1. Molybdenum is the difference in 304 and 316, 309 using in dissimilar job, Pwht ...read more
  2. Different between ss304 , 316, 309 material , Pwht purpose, regards co...read more

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L&T Energy Hydrocarbon QC Engineer Salary
based on 19 salaries
₹3 L/yr - ₹7.2 L/yr
16% more than the average QC Engineer Salary in India
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L&T Energy Hydrocarbon QC Engineer Reviews and Ratings

based on 3 reviews

3.9/5

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2.9

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