ArcelorMittal Nippon Steel Associate Engineer Interview Questions and Answers

Q1. Pipe related and turbine and fluid mechanics
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Q1. Please says about previous work experience? What type of work done in previous work experience.? Compesser working principle, type? Different types of pump working principle? Heat exchanger? Type of Heat e...read more
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Q1. Why join this company?
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Q1. Explain 5S and personal safety
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5S is a workplace organization method that promotes efficiency and safety. Personal safety involves taking measures to prevent accidents and injuries.
• 5S involves sorting, simplifying, sweeping, standardizing, and sustaining a workspace to improve productivity and safety.

• Personal safety includes wearing appropriate protective gear, following safety protocols, and reporting any hazards or incidents.

• Implementing 5S can he...read more
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Q2. Iron carbon diagram
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Iron carbon diagram is a graphical representation of the phases of iron and carbon alloys.
• It shows the relationship between temperature, carbon content, and the phases of iron and carbon alloys.

• It is used to predict the microstructure and properties of steel.

• It consists of three regions: austenite, ferrite, and cementite.

• The eutectoid point on the diagram represents the composition of steel that will transform to pearl...read more
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Mathematical , resoning & also English

Q1. Technical through out the base knowladge
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Q2. Industries work Safety
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Q3. Man power management
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Q4. Previous most hypothetical problem with you faced
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Q5. Summery about your work
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Q1. What you do for your job
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Q2. Why we select you in our company
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Q1. What are the test done during maintenance of a power transformer?
Ans. 
Tests done during maintenance of a power transformer
• Insulation resistance test

• Turns ratio test

• Winding resistance test

• Oil quality test

• Partial discharge test

• Visual inspection
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Q2. How to test id run in a VFD?
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To test id run in a VFD, measure the current and voltage at the motor terminals.
• Measure the current and voltage at the motor terminals using a multimeter.

• Compare the measured values with the rated values of the motor.

• Ensure that the VFD is properly programmed and configured for the motor.

• Check for any abnormal noise or vibration from the motor during operation.

• Perform a visual inspection of the motor and VFD for any si
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Q3. What is RTD, types of RTD, Its ranges?
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RTD stands for Resistance Temperature Detector. It is a type of temperature sensor.
• RTD measures temperature by detecting the change in resistance of a metal wire as the temperature changes.

• The most common types of RTD are platinum, nickel, and copper.

• Platinum RTDs are the most accurate and have the widest temperature range (-200°C to 850°C).

• Nickel RTDs have a smaller temperature range (-80°C to 260°C) but are less expe...read more
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Q4. Procedures for maintenance of a VCB ?
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VCB maintenance procedures involve regular inspection, cleaning, lubrication, and testing.
• Inspect the VCB for any signs of damage or wear.

• Clean the VCB and its components regularly to prevent dust and dirt buildup.

• Lubricate moving parts to ensure smooth operation.

• Test the VCB regularly to ensure it is functioning properly.

• Follow manufacturer's guidelines and safety procedures.

• Keep records of maintenance and repairs.

• Tra...read more
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Q5. How to control the speed of an EOT crane without VFD?
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Speed of an EOT crane can be controlled by changing the voltage or frequency of the power supply.
• By changing the voltage or frequency of the power supply, the speed of the EOT crane can be controlled.

• This can be achieved by using a transformer to change the voltage or a generator to change the frequency.

• However, this method is not as efficient as using a VFD.

• Another option is to use a mechanical system such as a gearbo...read more
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Technical education, industrial safety, steel making process

Q1. What is your Technical knowledge about previous company?
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Q2. Why did you leave your previous company?
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Q3. What is your future goal?
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Q4. Why would we hire you?
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Q1. Introduction+technical+work experience related questions
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Q2. Some technical questions from my b. Tech background as well as work experience related questions were asked
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