L&T Defence Interview Questions, Process, and Tips

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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Normal test basic test very easy just for formalities purpose only.

Q1. About some from you're diploma subjects important topics tobe asked they don't expect deep knowledge but atleast basic information
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Q2. Ask about your favourite subject and then asks questions on some of important topic especially from BEE and SOM
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I joined as GET and aptitude test was seemed easy.

Q1. What is your favorite subject?
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Q2. What is critical speed?
Ans. 
Critical speed is the speed at which a rotating object experiences resonance and begins to vibrate uncontrollably.
• It is the speed at which the natural frequency of the object matches the frequency of its rotation.

• It can cause damage to the object and surrounding equipment.

• It is important to calculate critical speed in order to avoid resonance and vibration issues.

• Examples include turbine rotors, drive shafts, and centr
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Q3. How do u design a shaft?
Ans. 
Designing a shaft involves determining its dimensions, material, and manufacturing process.
• Determine the required torque and power to be transmitted

• Select appropriate material based on strength, weight, and cost

• Calculate the shaft diameter and length based on the torque and bending stress

• Choose a manufacturing process such as forging, casting, or machining

• Consider factors such as surface finish, tolerances, and heat tr...read more
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Q4. Which one is better for good weight to strength ratio? Hollow or solid?
Ans. 
Hollow structures have a better weight to strength ratio than solid structures.
• Hollow structures are lighter than solid structures of the same material and size.

• Hollow structures distribute weight more evenly, reducing stress points.

• Hollow structures are often used in aerospace and automotive industries for their weight-saving properties.

• Solid structures may be stronger in certain applications, such as load-bearing col
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Q5. What is equation of Castigliano's theorem?
Ans. 
Castigliano's theorem relates the partial derivative of the strain energy to the applied loads.
• Castigliano's theorem is used to determine the deflection of a structure under a given load.

• It is based on the principle of minimum potential energy.

• The theorem states that the partial derivative of the strain energy with respect to a force is equal to the displacement caused by that force.

• It can be used to solve for unknown ...read more
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Q1. Are you ready to relocate across India?
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