Rungta Mines Business Analyst Interview Questions and Answers

Q1. Maths, general knowlege, chemistry
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Q2. Extractîon of Aluminiun
Ans. 
Extraction of aluminum involves the process of electrolysis of alumina.
• Aluminum is extracted from its ore, bauxite, through the Bayer process.

• The extracted alumina is then converted into aluminum through the Hall-Héroult process.

• Electrolysis is used to separate the aluminum from the oxygen in alumina.

• The process requires a large amount of electricity and is energy-intensive.
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Q3. Alumina from bauxite
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Alumina is extracted from bauxite through a process called the Bayer process.
• Alumina is the primary component of aluminum production.

• The Bayer process involves crushing the bauxite ore, mixing it with sodium hydroxide, and heating it in a pressure vessel.

• The resulting solution is filtered to remove impurities, leaving behind alumina which is then processed into aluminum.

• Alumina is used in a variety of industries includ
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Q1. About experience of quality and metal
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Q2. About compansation and perks
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Q3. About previous work experience
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Q4. About family background
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Q1. What is medicine
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Q2. What is tablet???
Ans. 
A tablet is a portable computer device with a touchscreen display, typically used for browsing the internet, watching videos, playing games, and more.
• Portable computer device with a touchscreen display

• Commonly used for browsing the internet, watching videos, playing games, etc.

• Examples: Apple iPad, Samsung Galaxy Tab, Amazon Fire Tablet
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The exam was lengthy

Data analytics trends

Q1. Tmay, data analytics projects and questions
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Q1. General discussion on cement grinding unit
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Q2. Discussion on grinding efficiency and factors effecting performance of grinding
Ans. 
Grinding efficiency is influenced by factors like feed rate, material properties, grinding wheel speed, and coolant usage.
• Feed rate: Higher feed rates can improve efficiency but may lead to increased wear on the grinding wheel.

• Material properties: Harder materials require slower grinding speeds to achieve optimal efficiency.

• Grinding wheel speed: Higher speeds can increase efficiency but may also generate more heat, aff...read more
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Q3. The effect of grinding media on ball mill performance
Ans. 
Grinding media can significantly impact ball mill performance by affecting grinding efficiency and wear rate.
• The type of grinding media used can affect the grinding efficiency of the ball mill.

• Different materials of grinding media have varying wear rates, impacting maintenance costs.

• The size and shape of the grinding media can also influence the grinding process.

• For example, using ceramic balls instead of steel balls c...read more
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Q1. On slag reactivity and it's effect on cement performance
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Slag reactivity can impact cement performance by influencing hydration reactions and strength development.
• Slag reactivity refers to the ability of slag to react with water and form cementitious compounds.

• Higher slag reactivity can lead to faster hydration reactions and improved early strength development.

• However, excessive slag reactivity can also result in rapid setting and reduced workability of the concrete.

• Proper s...read more
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Q2. How the ground slag enhance concrete performance was discussed. The effects of ground slag in concrete especially durability of concrete was discussed
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Q1. DM water parameter . Cold startup Coal analysis.
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Aptitude test was moderate ,

Group discussion happened online topic was ban on chinese apps

Q1. Whats the use of nonel , why it is use ?
Ans. 
Nonel is a type of non-electric initiation system used in blasting operations to detonate explosives.
• Nonel is used in mining, construction, and demolition industries.

• It is a safe and reliable method of initiating explosives without the need for electricity.

• Nonel consists of a shock tube filled with a small amount of explosive material that is initiated by a blasting cap.

• It allows for precise timing and sequencing of bl...read more
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Q2. What does safety means to you ?
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Safety means ensuring the well-being and protection of individuals from harm or danger.
• Safety involves implementing measures to prevent accidents and injuries.

• It includes following protocols and guidelines to minimize risks.

• Safety also encompasses creating a culture of awareness and accountability.

• Examples: wearing personal protective equipment, conducting regular safety inspections, providing proper training.
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Q3. Why you opted mining engineering?
Ans. 
Passion for solving complex problems and interest in natural resources led me to choose mining engineering.
• Fascination with geology and earth sciences

• Desire to work in a challenging and dynamic industry

• Opportunity to contribute to sustainable resource extraction

• Interest in utilizing advanced technology in mining operations
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