JSW Steel Maintenance Incharge Interview Questions and Answers

Gk and tecnical questions

Gs and constitution of india and history and science and tecnologies

Q1. Maintenance related questions
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Q2. And machines related question
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Q3. Gs related questions
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Q4. Companies realeted
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Q5. Only more than oyher
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Q6. Keep ending the question
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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
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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
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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
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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
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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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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. Personal Interview
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Q1. Related to rolling mill
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Q1. Regrading yourself and regrading curr ctc and exp. Ctc
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Q1. What is 7qc tool and Regrading mttr, mtbf, and some question releted to types of breakdown types of failure and how can reduce mttr.
Ans. 
7QC tools are quality control tools used to identify and solve quality-related issues. MTTR stands for Mean Time To Repair, MTBF stands for Mean Time Between Failures.
• 7QC tools include Pareto analysis, cause-and-effect diagram, scatter diagram, etc.

• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• Types of breakdowns can include mech...read more
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Q1. Mechanical Rolling Mill Related question.
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Q1. Question related to quality
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Q1. What is Hydrolic system
Ans. 
Hydraulic system is a technology that uses fluids to transmit power and energy.
• Hydraulic systems use a liquid, usually oil, to transmit power and energy.

• They work by applying force at one point and transmitting it to another point using an incompressible fluid.

• Hydraulic systems are commonly used in heavy machinery, such as excavators and cranes.

• They are also used in braking systems in cars and airplanes.

• Hydraulic syste...read more
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Q2. How to reduce Downtime.
Ans. 
Reducing downtime can be achieved through proper maintenance planning, regular equipment inspections, and quick response to issues.
• Implement a preventive maintenance program to identify and address potential issues before they cause downtime.

• Conduct regular equipment inspections to identify and address any issues early on.

• Train employees on proper equipment use and maintenance to prevent breakdowns caused by human erro...read more
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