NLC India Limited Mining Engineer Interview Questions and Answers

Q1. General Question about Open cast Mine
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Q2. About Return like Monthly, Quarterly, Annually
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Q3. Drilling & Blasting
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Paper was of medium range

Q1. Tell something about u and why u choose this as carrer ?
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I have always been fascinated by the mining industry and the opportunity to work on projects that have a significant impact on society.
• Passionate about geology and engineering

• Enjoy problem-solving and working in challenging environments

• Excited about the potential to contribute to sustainable resource extraction

• Inspired by the innovation and technology advancements in the mining sector
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Q2. Tell something about our company ?
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Your company is a leading mining company with a strong focus on sustainability and innovation.
• Your company has a long history in the mining industry, with expertise in various minerals and metals.

• You prioritize safety and environmental responsibility in all mining operations.

• Your company invests in research and development to improve mining techniques and reduce environmental impact.

• You have a strong track record of co...read more
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Q1. Technical based question only
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Q2. Practical based questions according to my field of work
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Q1. Open cast questions
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Q2. Drilling and blasting
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Q1. Regarding mining job and lectureship job.
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Q2. Regarding working and why I want to join.
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Q3. Related to My age and type of work.
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Q4. Why I left the jobs.
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Q1. Electrical Job Specification
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Electrical engineers design, develop, test, and supervise the manufacturing of electrical equipment.
• Design electrical systems and products

• Test equipment and troubleshoot issues

• Supervise the manufacturing process

• Stay up-to-date with industry trends and advancements
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Q2. Relay setting, transformer details, vfd parameter setting.
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Q1. Mining Related questions
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Q1. Mining sirdar related
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Q1. How many types of coal are there?
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There are four main types of coal: anthracite, bituminous, subbituminous, and lignite.
• Anthracite is the highest rank of coal and is known for its high carbon content and low moisture and volatile matter.

• Bituminous coal is the most commonly used type and is known for its relatively high heat content.

• Subbituminous coal has a lower carbon content than bituminous coal and is commonly used for electricity generation.

• Lignite...read more
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Q2. How many types of gas are found in underground mins?
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There are several types of gases found in underground mines, including methane, carbon monoxide, hydrogen sulfide, and nitrogen.
• Methane is the most common gas found in underground mines and is highly flammable.

• Carbon monoxide is a deadly gas that can be produced during mining operations.

• Hydrogen sulfide is another toxic gas that can be present in underground mines.

• Nitrogen is often used in mining operations to displace
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Q3. What is mining?
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Mining is the process of extracting valuable minerals or other geological materials from the earth.
• Mining involves drilling, blasting, and extracting minerals from the earth's surface or underground.

• It is essential for the production of various resources like coal, gold, copper, and diamonds.

• Mining can have environmental impacts such as habitat destruction and water pollution.

• Technological advancements have made mining...read more
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Q4. How many ways are there to come out in underground minse?
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There are typically three ways to come out in underground mines: shaft, adit, and decline.
• Shaft: Vertical tunnel used for hoisting ore and personnel.

• Adit: Horizontal tunnel used for access to the mine.

• Decline: Inclined tunnel used for moving equipment and ore.

• Examples: The Lucky Friday Mine has a shaft entrance, the Goldstrike Mine has an adit entrance, and the Grasberg Mine has a decline entrance.
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