Rio Tinto Associate Interview Questions and Answers

Q1. Plant overview and process
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Q2. Rankine cycle process and efficiency
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Rankine cycle is a thermodynamic cycle used in power plants to generate electricity.
• Rankine cycle is a closed-loop cycle that uses steam to generate power.

• The cycle consists of four processes: heating, vaporization, expansion, and condensation.

• The efficiency of the Rankine cycle can be improved by increasing the temperature and pressure of the steam.

• The Rankine cycle is commonly used in power plants to generate electri...read more
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Q1. What are your salary expectations?
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Q2. Any questions hr team
Ans. My contact no not any time network area ple msg me
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Diploma

Q1. What are your salary expectations?
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Q1. All about area related work
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Q1. Package finalizing and house allotment process
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Basic aptitude test with time limit

Q1. Basically questions about the trade about you are working or knowledge of job and experience , the job in the field of interest is very important
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Q2. Ask about educational qualification and any achievements
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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
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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
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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. What is medicine
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Q2. What is tablet???
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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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Q1. About yourself and accounting questions
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Q1. Accounting questions
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Q2. Basic accounting
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Q3. TDS sections checking Points of Vendor invoice
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TDS sections in vendor invoices must be checked for accuracy and compliance.
• Verify if TDS has been deducted as per the correct section of the Income Tax Act

• Check if the TDS rate applied is accurate based on the nature of payment

• Ensure that the TDS amount deducted is correctly mentioned on the invoice

• Confirm that the TDS amount has been deposited to the government within the specified timeline
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Q4. GST intra and inter state
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