Vedanta Limited Mining Engineer Interview Questions and Answers

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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. What is current
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Q2. What is residence
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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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Q1. What is different parameters in Siemens controller
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Siemens controllers have different parameters for various applications.
• Siemens controllers have different parameters for motion control, temperature control, and process control.

• Parameters for motion control include acceleration, deceleration, and maximum velocity.

• Parameters for temperature control include setpoint, proportional band, and integral time.

• Parameters for process control include setpoint, deadband, and gain...read more
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Q2. What is different parameter in fanuk
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Fanuc has different parameters for various functions such as motion control, spindle control, and tool management.
• Fanuc parameters are used to control various functions such as motion control, spindle control, and tool management.

• Parameters can be set to adjust the speed, acceleration, and deceleration of the machine.

• Fanuc parameters can also be used to set up alarms and diagnostic messages.

• Examples of Fanuc parameters...read more
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Q3. What types of controller in our company
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Q4. Which type of use plc
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PLCs are used in various industries for automation and control purposes.
• PLCs are commonly used in manufacturing industries for controlling assembly lines and machines.

• They are also used in the automotive industry for controlling robotic arms and conveyor belts.

• PLCs are used in the food and beverage industry for controlling mixing and packaging machines.

• They are used in the energy sector for controlling power plants and...read more
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Q5. Which type of use vfd
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VFDs are used to control the speed of AC motors in various applications.
• VFDs are commonly used in HVAC systems to control the speed of fans and pumps.

• They are also used in industrial applications to control conveyor belts and other machinery.

• VFDs can improve energy efficiency and reduce wear and tear on equipment.

• They are often used in renewable energy systems to control the speed of wind turbines and solar panels.

• VFDs...read more
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Q6. Which type of machine
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Q1. Suitable banch height for 2cu.m shovel is
Ans. 
The suitable bench height for a 2cu.m shovel depends on various factors such as the type of material being mined and the equipment used.
• The bench height should be determined based on the reach and capacity of the shovel.

• It should allow for efficient loading and dumping of material.

• The bench height should also consider the stability and safety of the mining operation.

• Factors like the type of material, equipment limitati...read more
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Q2. The max width of the gallery in Indian coal mines is
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The maximum width of the gallery in Indian coal mines varies depending on the specific mine and its regulations.
• The maximum width of the gallery is determined by safety regulations and guidelines set by the Indian government.

• Different coal mines may have different maximum width requirements based on factors such as the type of coal being mined, the depth of the mine, and the mining method used.

• For example, in undergrou...read more
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Q3. The max length of the trailing cable is
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The maximum length of the trailing cable depends on various factors such as power requirements, voltage drop, and safety regulations.
• The length of the trailing cable is determined by the distance between the power source and the equipment it needs to supply.

• Power requirements of the equipment play a role in determining the maximum length of the cable.

• Voltage drop, which can affect the efficiency of power transmission, ...read more
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Q4. Detonating fuse consist core of
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Detonating fuse consists of a core
• The core of a detonating fuse is the central part that initiates the explosion

• The core is typically made of a highly reactive material, such as a mixture of powdered metals or chemicals

• The core is surrounded by a protective casing to prevent accidental ignition

• Examples of core materials include lead azide, mercury fulminate, or PETN
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Q5. The VOD of detonating fuse is
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The VOD of detonating fuse is the velocity at which the detonation wave travels along the fuse.
• VOD stands for Velocity of Detonation.

• It is a measure of how fast the detonation wave propagates through the fuse.

• The VOD of a detonating fuse depends on factors such as the type of explosive used and the composition of the fuse.

• A higher VOD means the detonation wave travels faster, resulting in a quicker explosion.

• Different ...read more
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Q6. Safety fuse consist core of
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Q7. In the detonator the priming charge is
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The priming charge in a detonator is the initial explosive charge that initiates the main explosive charge.
• The priming charge is a small amount of explosive material that is sensitive to heat, shock, or friction.

• It is designed to ignite quickly and reliably to initiate the main explosive charge.

• The priming charge is usually contained within a small metal or plastic capsule.

• Examples of priming charges include lead azide...read more
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Q8. Sheathed explosive coated with a sheath of
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A sheathed explosive is coated with a protective covering.
• The sheath provides a layer of protection to the explosive material.

• The sheath can be made of materials like plastic or rubber.

• The purpose of the sheath is to prevent accidental ignition or detonation.

• Examples of sheathed explosives include dynamite and blasting caps.
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Q9. The ANFO the water content should not be more than
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Q10. The gelling agent in slurry explosive is
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The gelling agent in slurry explosive is typically a mixture of water and a thickening agent.
• The gelling agent is used to increase the viscosity of the explosive mixture.

• Common thickening agents used in slurry explosives include guar gum, carboxymethyl cellulose (CMC), and xanthan gum.

• The gelling agent helps to suspend solid particles in the explosive mixture, allowing for better distribution and control of the explosi...read more
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Q11. The VOD of emulsion explosive is
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The VOD of emulsion explosive refers to its Velocity of Detonation.
• VOD is a measure of how fast the explosive reaction propagates through the material.

• It is an important characteristic for determining the efficiency and safety of explosive materials.

• Higher VOD explosives are typically used for blasting hard rock formations.

• Lower VOD explosives are used in situations where a controlled and less destructive explosion is
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Q12. The shovel can dig below ground upto
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Q13. The output capacity of the dragline with 4.5 to 7.5 cu.m is million cu.mper year
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The output capacity of the dragline with 4.5 to 7.5 cu.m is in million cu.m per year.
• The output capacity of the dragline depends on the size of the bucket it uses.

• A larger bucket size allows for a higher output capacity.

• The dragline's efficiency and operating conditions also affect its output capacity.

• The output capacity can be calculated by considering the average number of cycles per hour and the bucket fill factor.

• F...read more
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