ArcelorMittal Nippon Steel Operation & Maintenance Engineer Interview Questions and Answers

Power plant related questions basically AFBC and WHRB

Q1. Related post , salary and technical. AFBC and WHRB
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Q2. Technical and financial
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Q1. What is your qualification?
Ans. 
Bachelor's degree in Mechanical Engineering with 5 years of experience in maintenance and troubleshooting of mechanical systems.
• Bachelor's degree in Mechanical Engineering

• 5 years of experience in maintenance and troubleshooting

• Proficient in analyzing mechanical systems and implementing solutions
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Q2. Are you willing to work 12 hours?
Ans. 
Yes, I am willing to work 12 hours as needed for the job.
• I am committed to meeting the demands of the job, including working long hours when necessary.

• I understand the importance of completing tasks on time and am willing to put in the extra hours to ensure that.

• I have previous experience working long shifts and am comfortable with the schedule.

• I am dedicated to my work and will prioritize the job requirements over per
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Q1. What is the use of lubricant in roling mill
Ans. 
Lubricant in rolling mills reduces friction between metal surfaces, prevents wear and tear, and improves efficiency.
• Lubricant reduces friction between metal surfaces in rolling mills

• Prevents wear and tear on machinery

• Improves efficiency by reducing energy consumption

• Helps in cooling the metal during the rolling process

• Examples: oil-based lubricants, grease, graphite-based lubricants
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Q2. What are the major cause of roll broken
Ans. 
The major causes of roll breakage in maintenance engineering include material defects, improper setup, excessive tension, and foreign objects.
• Material defects such as weak spots or impurities can weaken the roll and lead to breakage.

• Improper setup or alignment of the roll can cause uneven stress distribution and eventual breakage.

• Excessive tension on the roll can exceed its load-bearing capacity and cause it to break.

• F...read more
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Q3. What is cause of rolling mill bearing broken
Ans. 
The main causes of rolling mill bearing breakage are lack of lubrication, contamination, overloading, and misalignment.
• Lack of lubrication can lead to increased friction and heat generation, causing the bearing to fail prematurely.

• Contamination from dirt, debris, or water can accelerate wear and tear on the bearing surfaces.

• Overloading the bearing beyond its capacity can cause excessive stress and lead to failure.

• Misal...read more
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Q4. Compressor overhead cause
Ans. 
Compressor overhead cause can be due to various factors such as high discharge pressure, low suction pressure, dirty filters, or worn out components.
• High discharge pressure can lead to overheating of the compressor.

• Low suction pressure can cause the compressor to work harder and overheat.

• Dirty filters can restrict airflow and cause the compressor to overheat.

• Worn out components such as valves or seals can lead to ineff
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Q5. How to measure wire rope condition
Ans. 
Wire rope condition can be measured by visual inspection, non-destructive testing, and load testing.
• Visual inspection for signs of wear, corrosion, broken wires, and distortion

• Non-destructive testing methods like magnetic particle inspection, ultrasonic testing, and dye penetrant testing

• Load testing to assess the strength and integrity of the wire rope under working conditions
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Q6. Lubricant chemicals property
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Q1. Pump main tenec
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Q2. Machine maintenance
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Q1. Machanical work
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Q2. Crean maintenance
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Q1. Ptm all parts Reapair
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Q2. Bearing, Neumatic cyclender
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Q3. Hydrolic cyclender
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Q4. Wheel reapair, Gear box
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Common aptitude test

Q1. Electrical technical questions
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Q1. Personal details
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Q1. By Carefully seeing your Resume " What is your family Background?"
Ans. Sir, I am only son of my father. we are 3 member in family and one uncle.
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Q2. What are manufacturing process for producing a component?
Ans. 
The manufacturing process for producing a component involves several steps.
• Designing the component

• Material selection

• Machining or forming the raw material

• Assembly of the component

• Quality control and inspection
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Q3. 1. Casting 2.Machining 3.Forming 4.Deep Drawing etc....
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Q1. Basic working questions. If you are serious for your work u can be selected.
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Q2. Perameter questions
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