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Hindustan Zinc Maintenance Electrician Interview Questions and Answers

Updated 15 May 2018

Hindustan Zinc Maintenance Electrician Interview Experiences

1 interview found

Interview Questionnaire 

3 Questions

  • Q1. Mcc
  • Q2. Transformer
  • Q3. Starters

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
Selected Selected
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. Vfd drive motor star delta dol
  • Q2. Vfd sensor &macinical leveler cylinder Gera box
  • Q3. Yes I am 4yers work leveler cylinder & drive
  • Q4. Variable frequency drive working
  • Ans. 

    Variable frequency drives control the speed of an electric motor by varying the frequency of the electrical supply.

    • Variable frequency drives (VFDs) are used to control the speed of AC motors by adjusting the frequency of the electrical input.

    • VFDs can help save energy by matching the motor speed to the actual load requirements.

    • They are commonly used in HVAC systems, pumps, conveyors, and other industrial applications.

    • VF...

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. Wctl line slitter
  • Q2. Nctl baby slitter

Interview Questionnaire 

4 Questions

  • Q1. Explane mccb and MCB circuit breaker
  • Q2. Molded Case Circuit Breaker. (Mccb) MCB Miniature Circuit Breaker.
  • Q3. What is dol starter and explain
  • Ans. 

    A DOL starter is a direct-on-line starter used in electrical systems to start and stop motors.

    • DOL stands for Direct-On-Line.

    • It is the simplest and most common type of motor starter.

    • The DOL starter directly connects the motor to the power supply, providing full voltage at start.

    • It consists of a contactor, overload relay, and start and stop buttons.

    • When the start button is pressed, the contactor closes and the motor star...

  • Answered by AI
  • Q4. Direct online starter it's used up to 5 hp motor

Interview Preparation Tips

Interview preparation tips for other job seekers - I will attend the interview on time
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
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 - Group Discussion 

Anymore he want to ask me . I can anle to answer .

Round 3 - Technical 

(5 Questions)

  • Q1. What is motor in electrical engineering
  • Ans. 

    A motor in electrical engineering is a device that converts electrical energy into mechanical energy to produce motion.

    • Motors are commonly used in various applications such as industrial machinery, household appliances, and vehicles.

    • There are different types of motors including AC motors, DC motors, and synchronous motors.

    • Motors consist of a rotor and a stator, with the rotor rotating inside the stator to generate moti...

  • Answered by AI
  • Q2. What is generator in electrical engineering
  • Ans. 

    A generator in electrical engineering is a device that converts mechanical energy into electrical energy.

    • Generators use electromagnetic induction to generate electricity

    • They are commonly used in power plants, wind turbines, and portable generators

    • Generators can be powered by various sources such as gasoline, diesel, natural gas, or renewable energy sources like solar or wind

    • They play a crucial role in providing backup

  • Answered by AI
  • Q3. What is ac current in electrical engineering
  • Ans. 

    AC current is the flow of electric charge that periodically reverses direction, typically found in household appliances and power distribution systems.

    • AC current alternates direction periodically

    • Commonly used in household appliances and power distribution systems

    • AC current is represented by a sine wave

    • AC current is measured in Hertz (Hz)

  • Answered by AI
  • Q4. What is dc current in electrical engineering
  • Ans. 

    DC current in electrical engineering is the flow of electric charge in one direction only.

    • DC stands for direct current, which is a constant flow of electric charge in one direction

    • DC current is typically produced by batteries, solar cells, and rectifiers

    • DC current is used in many electronic devices such as laptops, cell phones, and LED lights

  • Answered by AI
  • Q5. What is electricity in electrical engineering
  • Ans. 

    Electricity in electrical engineering refers to the flow of electric charge through a conductor.

    • Electricity is the movement of electrons along a path called a conductor

    • It is measured in units of voltage, current, and resistance

    • Electricity can be generated by sources such as batteries, generators, and solar panels

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Tata Steel Maintenance Electrician interview:
  • Nothing
Interview preparation tips for other job seekers - Good thing this is

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

I applied via Walk-in and was interviewed before Apr 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. What is transformer
  • Ans. 

    A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

    • Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

    • They consist of two coils of wire, known as the primary and secondary coils, which are wrapped around a magnetic core.

    • When an AC voltage is applied to the primary coil, it creates a magne...

  • Answered by AI
  • Q2. And type of breker
  • Ans. 

    The type of breaker used depends on the electrical load and the circuit requirements.

    • The most common types of breakers are standard, AFCI, GFCI, and dual-function.

    • Standard breakers are used for general-purpose circuits.

    • AFCI breakers are used for circuits that power bedrooms and living rooms.

    • GFCI breakers are used for circuits that power bathrooms, kitchens, and outdoor areas.

    • Dual-function breakers combine AFCI and GFCI...

  • Answered by AI
  • Q3. Type of conductor
  • Ans. 

    Conductors are materials that allow electricity to flow through them. There are different types of conductors used in electrical systems.

    • Copper is the most commonly used conductor in electrical wiring

    • Aluminum is also used as a conductor, especially in high voltage power transmission

    • Silver is the best conductor, but it is too expensive for most applications

    • Gold is also a good conductor, but it is even more expensive tha...

  • Answered by AI
  • Q4. Difference of mcb and mccb
  • Ans. 

    MCB is a miniature circuit breaker while MCCB is a molded case circuit breaker.

    • MCB is used for low current applications while MCCB is used for high current applications.

    • MCB is rated up to 100 amps while MCCB can be rated up to 2500 amps.

    • MCCB has adjustable trip settings while MCB does not.

    • MCCB is more expensive than MCB.

    • Examples of MCB brands include Legrand and Schneider while examples of MCCB brands include Siemens a

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - All good

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 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 Naukri.com and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. What facility will I get if I get selected?
  • Q2. I want to know my frist salary package,
  • Q3. I don't want to work in contract, will i get on rolle job

Interview Preparation Tips

Interview preparation tips for other job seekers - My interview should be taken on the basis of my experience

I applied via Company Website and was interviewed before Sep 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 - Technical 

(1 Question)

  • Q1. Asked only your job related question

Interview Preparation Tips

Interview preparation tips for other job seekers - If you want to join in less money they will take you

I applied via Referral and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. About electrical and instruments

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep comfertable, and diciplane and dont fear do good ur best

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Hindustan Zinc Maintenance Electrician Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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