Calderys India Refractories Summer Intern Interview Questions and Answers

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
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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. Salaries and benefits
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Q1. Experience and profiles
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Q2. Salary , increment, incentive
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Q1. About technicalities on Pumps
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Q2. Pump technical and customer relationship
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Q1. About compensations and benefits
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Q2. About compensations and benefits
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Q1. Mining industry related questions
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Q1. What is mean of fbpb
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There is no known meaning for the acronym fbpb.
• There is no context provided for the acronym fbpb, making it impossible to determine its meaning.

• It is important to provide context when using acronyms to avoid confusion.

• If the acronym fbpb is specific to a certain industry or organization, it may have a unique meaning within that context.
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Q1. General HR Questions
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As per JD and current experience

Q1. As per JD and experience and expectations
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Q1. Explain GTG Operation and load sharing
Ans. 
GTG operation involves multiple generators working together to share the load and ensure continuous power supply.
• GTG stands for Gas Turbine Generator

• In GTG operation, multiple generators are synchronized to work together

• Load sharing ensures that the power demand is distributed evenly among the generators

• This helps in maintaining a stable power supply and prevents overloading of any single generator
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