L&T Defence Interview Questions, Process, and Tips

Q1. Mechanical aptitude test
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Q2. Basic questions like if these gear rotate these side then another one will rotate which side
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Q3. Which tanks will fill fast drain fast
Ans. 
Tanks with larger openings will fill and drain faster.
• Tanks with wider openings will fill and drain faster due to increased flow rate

• Tanks with higher water pressure will fill and drain faster

• Examples: swimming pool with a large drain vs a small sink with a narrow drain
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Q4. Some basic questions about types of pump& their work
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Q1. Q1- Introduction yourself
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Q2. Q2. Explain recent project My project was on topic modeling on the LDA model so drilling on LDA questions i get
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Q3. Q3. How does linear regression combine independent variable regression together
Ans. 
Linear regression combines independent variables to create a predictive model.
• Linear regression is a statistical technique used to model the relationship between a dependent variable and one or more independent variables.

• It combines the independent variables by estimating the coefficients that best fit the data and create a linear equation.

• The equation represents the relationship between the independent variables and t...read more
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Q4. Quest about the data, how was it collected, and all
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Multiple choice questions in aptitude test

Q1. Technical knowledge in before company
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Q2. Job roles in company
Ans. 
Job roles in a company vary depending on the industry and size of the organization.
• Job roles can include production engineer, quality control inspector, maintenance technician, production supervisor, and operations manager.

• Production engineers are responsible for designing, implementing, and improving production processes.

• Quality control inspectors ensure products meet quality standards before they are released to cust...read more
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Q3. Production reduction
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Q4. Quality & Safety working
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Q5. No any accident in my on responsible
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Q6. My skilled & own responsibility
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Q1. Explain about projects
Ans. 
Projects are tasks or assignments undertaken to achieve specific goals within a set timeframe.
• Projects involve planning, execution, and monitoring of activities

• They have defined objectives, scope, and deliverables

• Projects can be individual or team-based

• Examples: Developing a new software application, conducting market research, organizing an event
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Q2. Introduction about yourself
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Graduated with a Bachelor's degree in Computer Science

• Proficient in coding languages such as Java, Python, and C++

• Completed internships at tech companies like Google and Microsoft
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Core Engineering Field topics, very doable if you prepare for gate.

Q1. Technical support about plant, engine and equipment also maintenance and fault finding rectify related.
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Q2. Work experience about diesel equipment.
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Q3. How to maintain a plants equipment.
Ans. 
Regular inspection, cleaning, lubrication, and calibration are key to maintaining plant equipment.
• Perform regular inspections to identify any issues or potential problems

• Clean equipment regularly to prevent buildup of dirt and debris

• Lubricate moving parts to reduce friction and wear

• Calibrate equipment to ensure accurate readings and performance

• Train staff on proper maintenance procedures to prolong equipment lifespan
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Q4. Fault finding and rectify.
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Q5. Education career and technical efficient
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Q1. Which devices have you used for mri coil production?
Ans. 
I have used devices such as soldering stations, wire strippers, crimping tools, and multimeters for MRI coil production.
• Soldering stations

• Wire strippers

• Crimping tools

• Multimeters
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