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Coal India Chief Manager Interview Questions and Answers

Updated 10 May 2021

Coal India Chief Manager Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. 1) What are the Safety devices of Direct Haulage?
  • Ans. 

    Safety devices of Direct Haulage include emergency stop buttons, warning signals, and safety barriers.

    • Emergency stop buttons are installed at regular intervals along the haulage route.

    • Warning signals such as flashing lights and alarms are used to alert workers of approaching haulage equipment.

    • Safety barriers are used to prevent workers from entering hazardous areas.

    • Proximity detection systems are used to detect the pre...

  • Answered by AI
  • Q2. 2) What is the Calorific Value of Coal?
  • Ans. 

    The calorific value of coal varies depending on the type of coal, but typically ranges from 24 to 30 megajoules per kilogram.

    • Calorific value is the amount of heat released when a substance is burned.

    • It is measured in units of energy per unit of mass, such as joules per gram or megajoules per kilogram.

    • The calorific value of coal can vary depending on factors such as moisture content, ash content, and sulfur content.

    • For ...

  • Answered by AI
  • Q3. Where is Triveni Sangam?
  • Q4. 3) What is the difference between Portable and Transportable Machines?
  • Ans. 

    Portable machines can be easily carried around, while transportable machines require disassembly and reassembly for transportation.

    • Portable machines are designed to be easily moved from one location to another without much effort.

    • Transportable machines require disassembly and reassembly for transportation.

    • Portable machines are usually smaller and lighter than transportable machines.

    • Examples of portable machines include...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Study the Project Report and Practical Experience

Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. Transformers, HT,LT switchgear, Overhauling of motors, communication protocol,LA,CT,PT,Relay, Protection.
  • Q2. Erection, commissioning and maintenance.
  • Q3. Equipment rating,fault tracing and maintenance and spare management.

Interview Preparation Tips

Interview preparation tips for other job seekers - Please go through the job description.

I applied via Recruitment Consulltant and was interviewed in Sep 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 tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Puzzle of ball. How to figure odd one out
  • Q2. Your aspiration likes dislikes
Round 3 - HR 

(1 Question)

  • Q1. About yourself and carrier path till date

Interview Preparation Tips

Interview preparation tips for other job seekers - If you got shortlisted in technical round then also because of salary negotiation (expectations were more than proposed offer) things may not work out and you get rejected...
After that even if you are ready compromise with your expected ctc and accept proposed offer they wont accept your candidature as they may have selected someone else fitting in their budgeted ctc..

superfast hiring.. if they give you proposed offer lesser than your expected ctc, dont delay in accepting the same if you really want to go and excited to join adani or else someone else Will make it through...
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Apr 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Related with your background
  • Q2. Mining related questions
Round 3 - HR 

(1 Question)

  • Q1. Salary related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Good technique
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

(3 Questions)

  • Q1. Rope dia calculation for given capacity of overhead crane.
  • Ans. 

    Calculate rope diameter based on overhead crane capacity

    • Calculate the weight of the load the crane will be lifting

    • Determine the maximum load capacity of the crane

    • Use the formula: Rope diameter = (Load weight / (2 * Safe working load * Safety factor * π))^0.5

    • For example, if the load weight is 10 tons, safe working load is 5 tons, and safety factor is 2, the rope diameter would be calculated as: (10000 / (2 * 5 * 2 * 3.1

  • Answered by AI
  • Q2. Centrifugal pump efficiency curves
  • Ans. 

    Centrifugal pump efficiency curves show the relationship between flow rate and efficiency of the pump.

    • Efficiency curves help in selecting the right pump for a specific application

    • They provide information on the pump's performance at different operating points

    • Efficiency curves typically have a peak efficiency point and a best efficiency point (BEP)

    • Understanding these curves can help in optimizing pump performance and en

  • Answered by AI
  • Q3. Cost of solenoid valve and servo.
  • Ans. 

    The cost of solenoid valves and servos can vary depending on the brand, size, and quality.

    • Cost of solenoid valves can range from $10 to $1000+ depending on size and brand.

    • Servos can cost anywhere from $20 to $500+ depending on torque and brand.

    • Higher quality solenoid valves and servos may have a higher price tag.

    • Consider factors like durability, performance, and warranty when comparing costs.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Compensating salary by giving 2 jump on post
  • Ans. But I didn't accepted their condition and said NO for job. Finally they agreed and at present I am working here.
  • Answered Anonymously

Interview Preparation Tips

Interview preparation tips for other job seekers - You should exhibit/emphasize on your management skill if it is for manager/deputy mgr post, technical if post is technical.

If it is for head position, here it is sr. Mgr then you should emphasize on totality.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Skill set related questions
  • Q2. Business related knowledge
Round 2 - Coding Test 

If your knowledge is good then skip it but in 90% cases it's mandatory

Round 3 - Technical 

(2 Questions)

  • Q1. Advance technical
  • Q2. Deep understanding of business and are related questions
Round 4 - One-on-one 

(2 Questions)

  • Q1. Normal talk with manager
  • Q2. Last round with hr

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. prepare well
2. Gain Deep knowledge before join in interview
3. Share your thoughts and points
4. Ask all the things before joining

I applied via Naukri.com and was interviewed before Jun 2021. There were 5 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. Vast knowledge of respective field experience with specific suppliers details and IS codes and current market rates of executed items
Round 3 - Aptitude Test 

Test for various reactions on different site conditions

Round 4 - Assignment 

Online test assignments

Round 5 - HR 

(1 Question)

  • Q1. Negiotiation and designation discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared as Adani has vast experience technical experts

I applied via Company Website and was interviewed in Jul 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Regarding project procurement, negotiations, some personal questions, vendor development

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepared for project related questions and SAP
Interview experience
4
Good
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Mar 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 

(2 Questions)

  • Q1. Details of power station design
  • Ans. 

    Power station design involves the planning and construction of facilities that generate electricity.

    • Design includes selection of appropriate technology and equipment

    • Consideration of environmental impact and safety measures

    • Layout and construction of buildings and infrastructure

    • Integration with power grid and transmission systems

    • Examples include thermal power plants, hydroelectric power plants, and wind farms

  • Answered by AI
  • Q2. Efficiency of Power station
  • Ans. 

    Efficiency of a power station is the ratio of output power to input power.

    • Efficiency can be improved by using advanced technologies and equipment.

    • Regular maintenance and cleaning of equipment can also improve efficiency.

    • Efficiency can be affected by factors such as fuel quality, weather conditions, and demand for electricity.

    • For example, a power station using combined cycle technology can achieve an efficiency of up to...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Stick to the basiscs and don't show overconfidence. Details overall knowledge must have to crack the interview
Interview experience
4
Good
Difficulty level
Hard
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Nov 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Explain GTG Operation and load sharing
  • Ans. 

    GTG operation involves multiple generators working together to share the load and ensure continuous power supply.

    • GTG stands for Gas Turbine Generator

    • In GTG operation, multiple generators are synchronized to work together

    • Load sharing ensures that the power demand is distributed evenly among the generators

    • This helps in maintaining a stable power supply and prevents overloading of any single generator

  • Answered by AI

Skills evaluated in this interview

Coal India Interview FAQs

What are the top questions asked in Coal India Chief Manager interview?

Some of the top questions asked at the Coal India Chief Manager interview -

  1. 3) What is the difference between Portable and Transportable Machin...read more
  2. 1) What are the Safety devices of Direct Haula...read more
  3. 2) What is the Calorific Value of Co...read more

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₹18.5 L/yr - ₹53 L/yr
88% more than the average Chief Manager Salary in India
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