Upload Button Icon Add office photos

NMDC Limited

Compare button icon Compare button icon Compare

Filter interviews by

NMDC Limited Operator Interview Questions and Answers

Updated 6 Aug 2022

NMDC Limited Operator Interview Experiences

1 interview found

Operator Interview Questions & Answers

user image Anonymous

posted on 6 Aug 2022

I applied via Recruitment Consulltant 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. What is ph , tar dencity, tar production process, types of pump, types of vulve, what is NRV,
  • Ans. 

    The question covers various topics related to pumps, valves, and chemical properties.

    • pH is a measure of acidity or alkalinity of a solution.

    • Tar density is the mass of tar per unit volume of a substance.

    • Tar production process involves heating organic materials in the absence of air.

    • Types of pumps include centrifugal, positive displacement, and axial flow pumps.

    • Types of valves include ball, gate, globe, and check valves.

    • ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - At interview time maintain self confidence.

Interview questions from similar companies

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

I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

GK/GS
Technical
Maths
General English

Round 2 - Technical 

(2 Questions)

  • Q1. Disttilation column
  • Q2. Process operation

Interview Preparation Tips

Topics to prepare for Indian Oil Corporation Operator interview:
  • Process Engineering
Interview preparation tips for other job seekers - Apprenticeship

I applied via Job Portal and was interviewed before Nov 2021. 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 - Aptitude Test 

Direct through campus placement and group discussion.

Round 3 - Technical 

(2 Questions)

  • Q1. All the studies related concepts were aksed
  • Q2. About COST ACCOUNTING STANDARDS

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear all your attempts of CMA in one go and prepare all the concepts before interview

I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Chemical analysis of chromite ore by ICP OES
  • Ans. 

    ICP OES is a technique used for chemical analysis of chromite ore.

    • ICP OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.

    • It is a powerful analytical technique used for the determination of trace elements in a variety of matrices.

    • ICP OES can be used to determine the concentration of elements such as Cr, Fe, Mg, Al, and Si in chromite ore.

    • The technique involves the excitation of atoms in a sample usi...

  • Answered by AI
  • Q2. Principle of ICP oes
  • Ans. 

    ICP-OES is a technique used for elemental analysis in which a sample is vaporized and excited by a plasma to emit light.

    • ICP-OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.

    • It is used to determine the concentration of elements in a sample.

    • The sample is vaporized and excited by a plasma to emit light, which is then analyzed to determine the elemental composition.

    • ICP-OES is commonly used in environ...

  • Answered by AI
  • Q3. Weight chemical analysis of chromite ore
  • Ans. 

    Weight chemical analysis of chromite ore involves determining the percentage of various elements present in the ore.

    • The ore is first crushed and ground into a fine powder.

    • The powder is then mixed with various chemicals to dissolve the elements of interest.

    • The resulting solution is then analyzed using various techniques such as atomic absorption spectroscopy or inductively coupled plasma mass spectrometry.

    • The percentage...

  • Answered by AI
  • Q4. Knowledge of NABL
  • Q5. Knowledge of ISO 17025,ISO 9001,ISO 450001, IMS

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and be calm whenever u will give your interview.

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

Interview Questionnaire 

2 Questions

  • Q1. How many experiences in reliance industry
  • Q2. How many experiences in reliance retail

Interview Preparation Tips

Interview preparation tips for other job seekers - Please ask to how many experiences in working

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

Interview Questionnaire 

1 Question

  • Q1. 1 tell me about yourself 2 what is customer support 3what is empathy apology 4 speak at given topic for 2 to 3 minutes like global warming etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't hesitate to answer ,answer question smoothly ,prepare before for few frequent questions asked in interviews,

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

3 Questions

  • Q1. My father Also before works in TATA Steel so my dream me also work in TATA steel
  • Q2. I have 8 years experience in Dubai machine operator
  • Q3. Nee

Interview Preparation Tips

Interview preparation tips for other job seekers - Ask ani questions i will do

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

Interview Questionnaire 

3 Questions

  • Q1. Is accomodation facNoilities available
  • Q2. How many pl, cl and pf ESI is available
  • Ans. 

    The number of pl, cl, and pf ESI available is unknown.

    • The exact number of pl, cl, and pf ESI available is not provided.

    • There is no available data to determine the number of pl, cl, and pf ESI.

    • Without specific information, it is impossible to answer the question.

  • Answered by AI
  • Q3. Transportation facilyesities

Interview Preparation Tips

Interview preparation tips for other job seekers - Youmay ask about your questions
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Lubrication department in merchant mill
  • Ans. 

    The lubrication department in a merchant mill is responsible for ensuring proper lubrication of machinery to prevent wear and tear.

    • The lubrication department is crucial for maintaining the efficiency and longevity of machinery in the merchant mill.

    • They are responsible for regularly inspecting and lubricating equipment to prevent breakdowns.

    • Proper lubrication helps reduce friction, heat, and wear on moving parts.

    • Example...

  • Answered by AI
Round 3 - Coding Test 

Number or alfabet in English

Round 4 - Aptitude Test 

Aptitude test from physics

I applied via Walk-in and was interviewed before May 2020. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Estimate wiring of a building and connections?
  • Ans. 

    Estimating wiring and connections in a building involves assessing the electrical needs and layout of the space.

    • Assess the electrical needs of the building, including the number of outlets, lighting fixtures, and appliances.

    • Determine the layout of the building and the best routes for wiring to avoid hazards and maximize efficiency.

    • Consider the type of wiring needed, such as copper or aluminum, and the appropriate gauge...

  • Answered by AI
  • Q2. Type of cabels that transfer power?
  • Ans. 

    Cables that transfer power are of different types depending on the application.

    • AC power cables

    • DC power cables

    • Coaxial cables

    • Ethernet cables

    • USB cables

    • HDMI cables

    • Optical fiber cables

  • Answered by AI
  • Q3. Type of single phase motor?
  • Ans. 

    Single phase motors are commonly used in household appliances and small machinery.

    • Split-phase motor

    • Capacitor-start motor

    • Capacitor-run motor

    • Shaded-pole motor

  • Answered by AI
  • Q4. Rating of distribution transformer?
  • Ans. 

    Distribution transformer rating is the maximum power it can handle without overheating.

    • Distribution transformer rating is expressed in kVA (kilovolt-ampere).

    • It is important to choose the right rating for the transformer based on the load requirements.

    • The rating of a transformer can be determined by calculating the load requirements of the system it is being installed in.

    • For example, if the load requirement is 500 kVA, ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't explain any topic in brief tell only that ask by interviewrs, study stronger a chaper of your trade.

NMDC Limited Interview FAQs

How many rounds are there in NMDC Limited Operator interview?
NMDC Limited interview process usually has 2 rounds. The most common rounds in the NMDC Limited interview process are Resume Shortlist and Technical.

Tell us how to improve this page.

NMDC Limited Operator Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

Interview Questions from Similar Companies

Tata Steel Interview Questions
4.1
 • 858 Interviews
Bharat Petroleum Interview Questions
4.1
 • 148 Interviews
Metso Interview Questions
4.2
 • 65 Interviews
View all
NMDC Limited Operator Salary
based on 15 salaries
₹2 L/yr - ₹5 L/yr
15% more than the average Operator Salary in India
View more details

NMDC Limited Operator Reviews and Ratings

based on 5 reviews

4.0/5

Rating in categories

4.4

Skill development

4.1

Work-life balance

3.6

Salary

2.8

Job security

3.7

Company culture

3.3

Promotions

3.7

Work satisfaction

Explore 5 Reviews and Ratings
Executive
146 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Executive Engineer
51 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Manager
37 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Senior Manager
37 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Deputy Manager
32 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare NMDC Limited with

Coal India

4.0
Compare

Steel Authority Of India

4.1
Compare

Oil And Natural Gas Corporation

4.3
Compare

Bharat Petroleum

4.1
Compare
Did you find this page helpful?
Yes No
write
Share an Interview