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Coal India Interview Questions, Process, and Tips
Top Coal India Interview Questions and Answers
- Q1. 2. What is the difference in the speeds of camshaft and crankshaft?asked in Management Trainee interview
- Q2. The max width of the gallery in Indian coal mines isasked in Mining Overman interview
- Q3. What is transformerasked in Electrician interview
Coal India Interview Experiences
48 interviews found
Anonymous
I was interviewed in Aug 2017.
Interview Questionnaire
10 Questions
- Q1. Tell me about yourself
- Ans.
I am a recent graduate with a degree in Mechanical Engineering and a passion for problem-solving and innovation.
Graduated with a degree in Mechanical Engineering
Passionate about problem-solving and innovation
Completed internships at engineering firms
Involved in extracurricular activities related to engineering
- Q2. About btech project
- Q3. Internship question
- Q4. Transportation questions like density traffic volume and their relationship
- Q5. River meandering and how it happens and why
- Ans.
River meandering is the process of a river winding and curving along its course.
River meandering occurs when a river flows through a flat or gently sloping landscape.
It happens due to a combination of erosion, deposition, and the flow of water.
As the river flows, it erodes the outer banks and deposits sediment on the inner banks, causing the river to curve.
The speed and volume of water, as well as the type of sediment,...
- Q6. Sediment transportation related
- Q7. Question on recent flood near patna railway station and its reason and remedy
- Q8. Why u want to join coal India
- Ans.
I want to join Coal India because of its reputation as a leading coal mining company in India.
Opportunity to work in a challenging and dynamic environment
Contribution to the growth of the energy sector in India
Career advancement opportunities within the organization
- Q9. Really will u stay in company
- Ans.
Yes, I am committed to staying in the company for the long term.
I am dedicated to growing within the company and contributing to its success.
I value the opportunities for learning and development that the company provides.
I have a strong work ethic and am committed to achieving my career goals within the organization.
- Q10. Underground tunnel and as a civil engineer what should be step to reduce its problem
- Ans.
To reduce problems in an underground tunnel, civil engineers should focus on proper design, construction, and maintenance.
Ensure proper ventilation to prevent air pollution and maintain air quality.
Implement effective drainage systems to prevent water accumulation and flooding.
Use high-quality materials and construction techniques to ensure structural integrity.
Regularly inspect and maintain the tunnel to identify and ...
Interview Preparation Tips
Experience: 100 questions from general studies and 100 questions from technical subject
Duration: 3 hours
Total Questions: 200
Round: Technical + HR Interview
Experience: About 10 members were there including 2 ladies. Interview was of around 15-20 minutes
Skills: Technical Questions, HR Skills
College Name: IIT Guwahati
Management Trainee - Technical Interview Questions asked at other Companies
(5 Questions)
- Q1. What is substation use equipment
- Ans.
Substation use equipment refers to the various devices and tools used in a substation for power distribution and maintenance.
Substation transformers
Circuit breakers
Disconnect switches
Voltage regulators
Capacitor banks
Protective relays
- Q2. What is electricity
- Ans.
Electricity is the flow of electric charge through a conductor.
Electricity is the flow of electrons through a conductor
It is a form of energy that powers electrical devices
Electricity can be generated from various sources such as coal, wind, solar, and hydro
It is measured in units of volts, amps, and watts
- Q3. What is induction motor and functions
- Ans.
An induction motor is a type of AC motor that works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Induction motors are commonly used in various industrial applications due to their simplicity, reliability, and low cost.
They consist of a stator (stationary part) and a rotor (rotating part) where the rotor is not connected to an external power source.
When an alternating...
- Q4. What is generator and functions
- Ans.
A generator is a device that converts mechanical energy into electrical energy. It functions by rotating a coil of wire within a magnetic field to produce electricity.
Generates electricity by converting mechanical energy into electrical energy
Consists of a coil of wire rotating within a magnetic field
Used in power plants, backup generators, and portable generators
- Q5. What is Transformers this function
- Ans.
Transformers function to change voltage levels in electrical systems.
Transformers increase or decrease voltage levels in electrical systems
Step-up transformers increase voltage for long-distance transmission
Step-down transformers decrease voltage for distribution to homes and businesses
Transformers help maintain power quality and efficiency in electrical grids
Selected
I applied via Job Portal
(2 Questions)
- Q1. Heavy Earth moving machine
- Q2. Rear dumper is very powerful machine
(2 Questions)
- Q1. What is a safety
- Ans.
Safety is the practice of ensuring that people, equipment, and the environment are protected from harm or danger.
Safety involves following rules and procedures to prevent accidents and injuries
It includes wearing appropriate protective gear, such as helmets or safety vests
Regular maintenance of equipment and machinery is essential for safety
Safety also involves being aware of potential hazards and taking steps to mitig...
- Q2. What is hydraulic system
- Ans.
A hydraulic system is a technology that uses liquid to transmit force and energy.
Uses incompressible fluid to generate power
Consists of hydraulic fluid, pump, valves, cylinders, and motors
Commonly used in heavy machinery like dump trucks and excavators
Interview Preparation Tips
Dumper Operator Interview Questions asked at other Companies
Selected
I was interviewed in Jan 2025.
(2 Questions)
- Q1. Why choose coal India?
- Ans.
Coal India offers a challenging and rewarding work environment with opportunities for professional growth and development.
Coal India is a leading coal mining company in India with a strong reputation in the industry.
The company offers competitive salaries and benefits for its employees.
Working at Coal India provides the opportunity to contribute to the country's energy security and infrastructure development.
Coal India...
- Q2. What is your expectations?
Senior Medical Officer Interview Questions asked at other Companies
Coal India interview questions for popular designations
Selected
It was quiet detailed
(2 Questions)
- Q1. Why Coal India?
- Ans.
Coal India is the largest coal-producing company in the world, with a strong market presence and growth potential.
Coal India has a dominant position in the coal industry, accounting for over 80% of India's coal production.
The company has a vast reserve base and a strong distribution network, ensuring a steady supply of coal to meet market demand.
Coal India has a history of consistent growth and profitability, making it...
- Q2. How can you add value from your previous exp?
- Ans.
I can add value from my previous experience by implementing successful marketing strategies, analyzing market trends, and building strong relationships with clients.
Implemented successful marketing strategies to increase sales by 20% in my previous role
Analyzed market trends to identify new opportunities for product development
Built strong relationships with clients resulting in a 30% increase in customer retention
Asst.Marketing Manager Interview Questions asked at other Companies
Get interview-ready with Top Coal India Interview Questions
(2 Questions)
- Q1. How does working principal of fan utilised in mine
- Ans.
Fans are used in mines to provide ventilation and circulate air to maintain a safe and comfortable working environment for miners.
Fans are typically installed at the surface or underground to draw in fresh air and remove stale air from the mine workings.
The fan blades rotate to create airflow, which helps to dilute and remove harmful gases, dust, and fumes from the mine.
Proper ventilation with fans also helps to contro...
- Q2. Eloborate your final year project
(2 Questions)
- Q1. Are you flexible enough to be located in a remote location?
- Ans.
Yes, I am open to being located in a remote location for the right opportunity.
I am willing to relocate for the right job opportunity
I have experience working remotely or in different locations
I am adaptable and can thrive in new environments
- Q2. Why your second semester scores are low as compared to other semesters?
Design Engineer Interview Questions asked at other Companies
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2023. There were 3 interview rounds.
Profession and graduated personality and experience
Civil engineers subjected related questions and group discussion
Interview Preparation Tips
- Civil Engineering
- AutoCAD 2D
Apprentice Trainee Interview Questions asked at other Companies
Selected
I was interviewed before Mar 2024.
Topics regarding the introduction or changes in the tax regime.
(2 Questions)
- Q1. Can you tell me about yourself?
- Q2. What are your strengths and weaknesses?
- Ans.
My strengths include attention to detail, strong analytical skills, and ability to work under pressure. My weaknesses include being overly critical of my own work and sometimes struggling with delegation.
Strengths: attention to detail
Strengths: strong analytical skills
Strengths: ability to work under pressure
Weaknesses: overly critical of my own work
Weaknesses: struggle with delegation
Deputy Manager - Finance Interview Questions asked at other Companies
General mining field questions are there
(2 Questions)
- Q1. About mining field real time senerio asked
- Q2. 1. What is crown pillar & rib
- Ans.
Crown pillar & rib are terms used in mining to describe the rock structures above and around a mined-out area.
Crown pillar is the rock mass above an underground excavation that supports the overlying rock and prevents collapse.
Rib refers to the rock walls or pillars left between mined-out areas to provide support and prevent collapse.
Both crown pillar and rib are crucial for the stability and safety of underground mini...
Top Coal India Management Trainee Interview Questions and Answers
Management Trainee Interview Questions asked at other Companies
Selected
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. Give a brief description of equipments used in an Open Cast Mine
- Ans.
Equipments used in an Open Cast Mine include excavators, dump trucks, bulldozers, drills, and draglines.
Excavators are used for digging and removing overburden or ore.
Dump trucks are used for transporting materials within the mine.
Bulldozers are used for pushing and leveling the ground.
Drills are used for drilling blast holes for explosives.
Draglines are used for removing overburden in large quantities.
- Q2. What is stripping ratio and mention the workable range for an OCP
- Ans.
Stripping ratio is the amount of waste rock removed to extract one unit of ore. Workable range for an OCP is typically between 1:1 to 10:1.
Stripping ratio is calculated by dividing the amount of waste rock by the amount of ore extracted.
A lower stripping ratio indicates a more efficient mining operation.
For an Open Cut Pit (OCP), the workable range for stripping ratio is usually between 1:1 to 10:1.
For example, if a mi...
Top Coal India Management Trainee Interview Questions and Answers
Management Trainee Interview Questions asked at other Companies
SUBRATA BISWAS
I applied via Approached by Company
(2 Questions)
- Q1. 1.What is industry 4.0 2., what is ECC, what is edge computing, 3.what is TDI model, 4. what will you do if you are selected for general Manager,5. what is your plan in future.
- Ans.
Industry 4.0 is the fourth industrial revolution characterized by the integration of digital technologies into manufacturing processes.
Industry 4.0 refers to the use of automation, data exchange, and IoT in manufacturing.
ECC stands for Enterprise Core Component and is a framework for managing business processes in SAP systems.
Edge computing is a decentralized computing infrastructure that brings computation and data st...
- Q2. How long you are working in CIL head quarter. Ans 5 yrs.
Interview Preparation Tips
General Manager Interview Questions asked at other Companies
Coal India Interview FAQs
The duration of Coal India interview process can vary, but typically it takes about less than 2 weeks to complete.
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Coal India Interviews By Designations
- Coal India Management Trainee Interview Questions
- Coal India Graduate Engineer Trainee (Get) Interview Questions
- Coal India Management Trainee Mining Interview Questions
- Coal India Deputy Manager Interview Questions
- Coal India Engineer Interview Questions
- Coal India Accountant Interview Questions
- Coal India Software Engineer Interview Questions
- Coal India Assistant Manager Interview Questions
- Show more
Interview Questions for Popular Designations
Coal India Interview Process
based on 28 interviews
Interview experience
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Coal India Reviews and Ratings
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Assistant Manager
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Deputy Manager
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Management Trainee
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Assistant Manager Finance
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