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Hindustan Zinc Quality Assurance Officer Interview Questions and Answers

Updated 3 Apr 2024

Hindustan Zinc Quality Assurance Officer Interview Experiences

1 interview found

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

I applied via Job Fair and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. How can have more production of the company and what is the change of the company and befitting
  • Q2. Benefits and manage of the any proble creative to short out

Interview questions from similar companies

I was interviewed in Oct 2016.

Interview Questionnaire 

6 Questions

  • Q1. Introduce yourself.
  • Ans. 

    Experienced retail professional with strong leadership skills and a passion for customer service.

    • Over 5 years of retail management experience

    • Proven track record of increasing sales and improving customer satisfaction

    • Strong leadership and team-building skills

    • Passionate about providing excellent customer service

    • Bachelor's degree in Business Administration

  • Answered by AI
  • Q2. How is alumina obtained from bauxite?
  • Ans. 

    Alumina is obtained from bauxite through the Bayer process.

    • Bauxite is crushed and mixed with sodium hydroxide to form a slurry.

    • The slurry is heated and pressurized in a digester to dissolve the alumina content.

    • The resulting solution is cooled and filtered to remove impurities.

    • The purified solution is then heated to precipitate the alumina as a white powder.

    • The alumina powder is washed, dried, and calcined to produce pu...

  • Answered by AI
  • Q3. Reaction for Al extraction from alumina.
  • Ans. 

    The reaction for Al extraction from alumina involves the reduction of alumina using carbon or electrolysis.

    • Alumina (Al2O3) is first converted into aluminum chloride (AlCl3) by reacting with hydrochloric acid.

    • The aluminum chloride is then reduced to aluminum metal by either carbon reduction or electrolysis.

    • In carbon reduction, carbon (usually in the form of coke) is heated with the aluminum chloride to produce aluminum ...

  • Answered by AI
  • Q4. Stainless steel production.
  • Q5. Types of cast iron.
  • Ans. 

    There are four main types of cast iron: gray iron, white iron, ductile iron, and malleable iron.

    • Gray iron is the most common type and has excellent castability and good machinability.

    • White iron is very hard and brittle, often used for wear-resistant applications.

    • Ductile iron has high strength and ductility, making it suitable for a wide range of applications.

    • Malleable iron is heat-treated to improve its strength and du

  • Answered by AI
  • Q6. Location constraints and little info about family.

Interview Preparation Tips

Round: Test
Experience: Basic Aptitude and Verbal Test - Easy Questions
Tips: Improve Speed and Accuracy
Duration: 30 minutes
Total Questions: 35

Round: Group Discussion
Experience: Two sects formed; one supporting the argument and other opposing it. Wage gap, Indian Mine Law, social pressure, patriarchal mentality and crime against women were discussed.
Tips: Communication skills are more important than content. Show confidence and speak fluently. Factual and grammatical errors can be ignored.
Duration: 15 minutes

Round: Technical + HR Interview
Experience: They were chilled out and were giving time to speak. Little hints were also being given.
Tips: Be thorough with basics and don't give nonsensical answers if you don't know.

Skills: Technical Knowledge(ML
College Name: NIT Raipur
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Study your CV throughout
  • Q2. All questions are very basic

Interview Preparation Tips

Interview preparation tips for other job seekers - Study your jobs mentioned on CV
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Tell me about Projects

I applied via Approached by Company and was interviewed before May 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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. DM water parameter . Cold startup Coal analysis.

Interview Preparation Tips

Topics to prepare for Hindalco Industries Assistant Manager interview:
  • Boiler Operations
  • Turbine operation
  • Electrical protection
Interview preparation tips for other job seekers - Will be as per details mentioned in your resume.

I applied via ABG internal recruitment system and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Power Plant Operation Basics. Heat Rate and Boiler Efficiency Optimization Projects. APC reduction projects. Workplace safety. Previous projects that I worked on.

Interview Preparation Tips

Interview preparation tips for other job seekers - Work at your current location to understand the documentation so that you know what is required for plant optimization. If you can handle some individual projects, it's an additional benefit to brag.

I applied via Referral and was interviewed in Dec 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. All questions was related to handling of chemicals and current work profile like introduction and shift handling , how manpower handled in shift.
  • Q2. Actually I am going for Sulfuric plant I was asked about sulfur handling related questions only.
  • Q3. Process DCDA Of Sulphuric acid.
  • Ans. 

    DCDA process is used to produce high concentration sulphuric acid.

    • DCDA stands for Double Contact Double Absorption process.

    • It involves two absorption towers and two contact towers.

    • Sulphur dioxide is oxidized to sulphur trioxide in the contact towers.

    • Sulphur trioxide is then absorbed in the absorption towers to produce sulphuric acid.

    • The process is highly efficient and produces high concentration sulphuric acid.

    • DCDA pro...

  • Answered by AI
  • Q4. MSDS Of Sulphuric and safety handling.
  • Ans. 

    MSDS of Sulphuric Acid provides information on its properties, hazards, and safety precautions.

    • MSDS stands for Material Safety Data Sheet

    • Sulphuric acid is a highly corrosive and hazardous substance

    • The MSDS provides information on the physical and chemical properties of the substance, as well as its potential health effects and safety precautions

    • Safety precautions may include wearing protective clothing and equipment, h...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepared about specific product.

I applied via Referral and was interviewed in Feb 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 - Assignment 

Drawing and some calculation of tank volume

Interview Preparation Tips

Interview preparation tips for other job seekers - Work with integrity and commitment

I applied via Company Website and was interviewed in Jul 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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Instruments,ABB plc ,DCS,scada
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiation only

Interview Preparation Tips

Interview preparation tips for other job seekers - Apply directly to LinkedIn or aditya Birla website

I was interviewed before Aug 2021.

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 - One-on-one 

(1 Question)

  • Q1. Job Profile and Work related questions
Round 3 - One-on-one 

(1 Question)

  • Q1. Refined questions about job profile
Round 4 - HR 

(1 Question)

  • Q1. Finalisation for particular post with terms and conditions

Interview Preparation Tips

Interview preparation tips for other job seekers - Pls do not hide any thing , be transparent.
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Hindustan Zinc Interview FAQs

How many rounds are there in Hindustan Zinc Quality Assurance Officer interview?
Hindustan Zinc interview process usually has 1 rounds. The most common rounds in the Hindustan Zinc interview process are HR.

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Hindustan Zinc Quality Assurance Officer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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