Junior Mining Engineer

Junior Mining Engineer Interview Questions and Answers

Updated 16 Aug 2024
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Q1. * draw the burn cut pattern * Describe SSR support system with diagram * Describe development cycle * Describe charging and blasting of development face * Duties and responsibilities according to regulation

Ans.

Interview questions for Junior Mining Engineer

  • Burn cut pattern involves drilling holes in a specific pattern to create a controlled burn

  • SSR support system uses steel sets and resin to support the walls and roof of a mine

  • Development cycle involves excavation, support installation, and mucking

  • Charging and blasting of development face involves drilling holes, loading explosives, and detonating

  • Duties and responsibilities according to regulation include ensuring safety, following ...read more

Q2. How many ways are there to come out in underground minse?

Ans.

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.

Junior Mining Engineer Interview Questions and Answers for Freshers

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Q3. How many types of gas are found in underground mins?

Ans.

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 oxygen and prevent explosions.

Q4. How many types of coal are there?

Ans.

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 is the lowest rank of coal and has the highest moisture c...read more

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Q5. Do you now ocp mining?

Ans.

Yes, I have knowledge of OCP mining.

  • I have studied OCP mining in my academic curriculum.

  • I have worked on projects related to OCP mining during my internships.

  • I am familiar with the equipment and technology used in OCP mining.

  • I understand the safety protocols and regulations involved in OCP mining.

  • I am aware of the environmental impact of OCP mining and the measures taken to mitigate it.

Q6. What is mining?

Ans.

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 safer and more efficient.

  • Mining engineers play a crucial ...read more

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Q7. What is Berm

Ans.

A berm is a raised barrier or mound of soil used to control or contain the flow of water or other materials.

  • Berms are commonly used in mining operations to prevent water from entering the mining area.

  • They can also be used to contain spills or control the flow of materials during excavation.

  • Berms can be natural or man-made and can vary in size and shape depending on their intended use.

  • They are often constructed using bulldozers or other heavy equipment.

  • Berms can also be used i...read more

Q8. Calculate of detonater facter

Ans.

Detonator factor is a measure of the explosive power of a detonator compared to a standard explosive.

  • Detonator factor is calculated by comparing the energy released by a detonator to the energy released by a standard explosive.

  • It is typically expressed as a ratio or percentage.

  • Detonator factor helps in determining the effectiveness of a detonator in initiating an explosion.

  • For example, if a detonator has a factor of 1.5, it means it is 1.5 times more powerful than the standar...read more

Q9. Calculate of powder factor

Ans.

Powder factor is the amount of explosive required to break a unit volume of rock.

  • Powder factor = Total mass of explosives / Volume of rock to be blasted

  • It is typically measured in units of kg/m3 or lb/yd3

  • Higher powder factor indicates more explosives are needed for blasting

  • Lower powder factor indicates less explosives are needed for blasting

Q10. Caol mine's regulesion

Ans.

Coal mine regulations involve safety measures, environmental protection, and operational guidelines.

  • Regulations ensure safety of workers, such as proper ventilation and emergency procedures.

  • Environmental regulations focus on minimizing impact of mining activities, like water and air pollution.

  • Operational guidelines cover aspects like mine planning, equipment maintenance, and waste management.

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