Jsl Lifestyle Senior Engineer Interview Questions and Answers

Q1. Percentage of chromium in steel?
Ans. 
Chromium content in steel typically ranges from 10-30% depending on the grade and type of steel.
• Chromium is added to steel to improve its corrosion resistance, hardness, and strength.

• Stainless steel typically contains around 10-30% chromium.

• High-chromium steels, such as tool steels, can contain up to 30% chromium.

• Chromium content can vary based on the specific grade and application of the steel.
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Q2. Advantages and Disadvantage of Sulphur in steel?
Ans. 
Sulphur in steel can improve machinability but may reduce ductility and impact strength.
• Advantages: Improved machinability, easier to cut and shape

• Disadvantages: Reduced ductility, impact strength, and toughness

• Sulphur content should be controlled to avoid negative effects on mechanical properties

• Examples: Lead-free cutting steels often contain higher sulphur levels for better machinability
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Q1. Grades of steel and Their Chemical Composition
Ans. 
Different grades of steel have varying chemical compositions to meet specific requirements.
• Grades of steel include carbon steel, alloy steel, and stainless steel.

• Carbon steel typically contains 0.05-2.0% carbon.

• Alloy steel contains additional elements like nickel, chromium, and molybdenum.

• Stainless steel has high chromium content for corrosion resistance.

• Each grade has unique properties based on its chemical compositio
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Q2. Sectional weight of steel for different sizes
Ans. 
Sectional weight of steel varies based on the size of the steel section.
• The sectional weight of steel is calculated by multiplying the volume of the steel section by the density of steel.

• Different sizes of steel sections have different sectional weights.

• For example, a 100mm x 100mm x 10mm steel section will have a different sectional weight compared to a 150mm x 150mm x 12mm steel section.
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Q3. What are the grains and grain structures inside the steel at different temperatures?
Ans. 
Grains in steel change in size and shape at different temperatures, affecting its properties.
• At high temperatures, grains in steel are larger and more irregularly shaped.

• As steel cools, grains become smaller and more uniform, leading to increased strength and hardness.

• Grain boundaries can affect properties like toughness and corrosion resistance.

• Examples: Austenite has smaller grains at lower temperatures, resulting in...read more
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Q1. What are the methods to operate and measure effectively?
Ans. 
Methods to operate and measure effectively include setting clear goals, using appropriate tools, monitoring progress, and adjusting strategies as needed.
• Set clear and specific goals to provide direction and focus.

• Use appropriate tools and technology to accurately measure progress and outcomes.

• Regularly monitor and track performance to identify areas for improvement.

• Adjust strategies and tactics based on feedback and da...read more
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Q2. What is the process for creating a report?
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The process for creating a report involves gathering data, analyzing information, organizing content, and presenting findings.
• Gather relevant data and information for the report.

• Analyze the data to draw conclusions and insights.

• Organize the content in a logical structure, including an introduction, body, and conclusion.

• Present the findings clearly and concisely, using visuals if necessary.

• Review and revise the report f...read more
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Coding questions based on core Java and DSA

Leetocde easy question

Q1. About your previous company.
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Q2. Technical and theoretical question from your previous company and job related equipments wise.
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Q3. Work related technical & theoretical questions.
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Q4. About yourself Introduction and your previous company experience
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Q1. Reading die and punch
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Q2. Regarding CAD software knowledge
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Q3. AutoCAD and solidwork
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Q1. Ask any questions about structural steel and its grade
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Q2. Ask about welding and its types
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Q1. Wire Drawing related
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Q2. Type of wire manufacturing of process
Ans. 
Wire manufacturing processes include drawing, annealing, stranding, and insulation.
• Wire manufacturing starts with the drawing process, where a metal rod is pulled through a series of dies to reduce its diameter.

• Annealing is then performed to relieve stress and improve the wire's ductility.

• Stranding involves twisting multiple wires together to form a cable or conductor.

• Insulation is applied to protect the wire and provi...read more
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Q3. Technology drafting
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