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Nalco Vocational Trainee Interview Questions and Answers
Nalco Vocational Trainee Interview Experiences
2 interviews found
Soumya Ranjan Sethi
(2 Questions)
- Q1. Why you doing your internship in this domain?
- Q2. Introduction yourself
Interview Preparation Tips
Anonymous
Aptitude ,reasoning,english questions of mcq type
(2 Questions)
- Q1. What is steel ,what is cast iron,difference between steel and cast iron
- Ans.
Steel and cast iron are both alloys of iron, but with different carbon content and properties.
Steel is an alloy of iron and carbon, with a carbon content of less than 2%. It is stronger, more ductile, and more malleable than cast iron.
Cast iron is an alloy of iron, carbon, and silicon, with a carbon content of 2-4%. It is more brittle and less malleable than steel.
Steel is used in construction, machinery, and tools, wh...
- Q2. What are the laws of thermodynamics,what is entropy
- Ans.
The laws of thermodynamics describe the behavior of energy in a system. Entropy is a measure of the disorder or randomness in a system.
The first law states that energy cannot be created or destroyed, only transferred or converted.
The second law states that the total entropy of a closed system will always increase over time.
The third law states that as temperature approaches absolute zero, the entropy of a system approa...
Interview Preparation Tips
Interview questions from similar companies
Shashwat Shekhar
(1 Question)
- Q1. There was no interview. They take money and it requires a TATA employee that should be your mentor. Then all you need to go is go to SNTI and HR will ask your ID and then tell you everything about your gui...
(1 Question)
- Q1. Explain techstack of project
I was interviewed before Jan 2021.
(2 Questions)
- Q1. What are your salary expectations?
- Q2. Any questions hr team
- Ans. My contact no not any time network area ple msg me
Diploma
(1 Question)
- Q1. What are your salary expectations?
Interview Preparation Tips
I applied via Approached by Company and was interviewed before May 2021. There were 3 interview rounds.
(1 Question)
- Q1. All about area related work
(1 Question)
- Q1. Package finalizing and house allotment process
Interview Preparation Tips
Basic aptitude test with time limit
(2 Questions)
- 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
- Q2. Ask about educational qualification and any achievements
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 3 interview rounds.
(3 Questions)
- Q1. General discussion on cement grinding unit
- 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...
- 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...
(2 Questions)
- Q1. On slag reactivity and it's effect on cement performance
- Ans.
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...
- Q2. How the ground slag enhance concrete performance was discussed. The effects of ground slag in concrete especially durability of concrete was discussed
Demo Oo
(2 Questions)
- Q1. What is medicine
- 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
Interview Questionnaire
1 Question
- Q1. Lots of questions
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Nalco Vocational Trainee Interview Process
based on 2 interviews
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