L&T Defence Interview Questions and Answers

Q1. Describe job role and learning?
Ans. 
An engineer designs, develops, and tests solutions to technical problems, continuously learning to adapt to new technologies.
• Problem-solving: Engineers tackle complex issues, like designing a bridge to withstand earthquakes.

• Collaboration: Working with cross-functional teams, such as software and hardware engineers on a tech product.

• Continuous learning: Staying updated with advancements, like learning new programming la...read more
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Q2. How you are implemented your training learning in to workspace,?
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I apply my training by integrating learned concepts into daily tasks, enhancing efficiency and problem-solving in engineering projects.
• Utilized project management tools learned in training to streamline team collaboration, resulting in a 20% increase in project delivery speed.

• Implemented data analysis techniques from training to optimize resource allocation, reducing costs by 15% in recent projects.

• Applied advanced eng...read more
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Q1. Family background
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Q2. Salary expectations
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Q1. In quality do you have documented your improvement.
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Yes, we have documented our quality improvement initiatives to ensure continuous enhancement and compliance.
• Implemented a quality management system (QMS) to track improvements.

• Conducted regular audits and documented findings to identify areas for enhancement.

• Utilized customer feedback to drive product improvements, such as reducing defects.

• Established key performance indicators (KPIs) to measure the effectiveness of qu...read more
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Q2. During inspection which difficulty you have faced for proto job
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During proto job inspections, I faced challenges like inconsistent measurements and communication gaps with the production team.
• Inconsistent measurements: Some prototypes had variations that deviated from the specifications, making it hard to assess quality.

• Communication gaps: There were instances where the production team misunderstood the inspection criteria, leading to rework.

• Time constraints: Tight deadlines often ...read more
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Q1. Work in furnace & CNC
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I have experience working with furnaces and CNC machines in a maintenance technician role.
• I have experience troubleshooting and repairing furnaces to ensure proper functionality.

• I am skilled in operating and maintaining CNC machines for precision manufacturing.

• I have knowledge of safety protocols and maintenance procedures for both furnaces and CNC machines.
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Electrical basic working CNC operator CC working

Q1. Different Between C and C++?
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language.
• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for classes, objects, and inheritance.

• C does not support classes and objects, while C++ does.

• C++ has features like polymorphism and encapsulation which are not present in C.

• C++ is an extension of ...read more
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Q2. Introduction? Family Background
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Q3. Explain the Final year project?
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Q4. What is Object Oriented Programming features?
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Object Oriented Programming features include encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object).

• Inheritance: Ability to create new classes based on existing classes, inheriting their attributes and methods.

• Polymorphism: Ability for objects of different classes to respond to the same method call in different ways.
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Q5. What is a class?
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A class is a blueprint for creating objects in object-oriented programming.
• Classes define the properties and behaviors of objects.

• Objects are instances of classes.

• Classes can inherit properties and behaviors from other classes.

• Encapsulation, inheritance, and polymorphism are key concepts in class-based programming.
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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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Gears rotate in opposite directions; if one turns clockwise, the adjacent one turns counterclockwise, creating a mechanical advantage.
• When two gears are meshed, the rotation of one gear causes the adjacent gear to rotate in the opposite direction.

• For example, if Gear A rotates clockwise, Gear B, which is directly connected to it, will rotate counterclockwise.

• This principle is used in various machines, such as bicycles,...read more
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Q3. Which tanks will fill fast drain fast
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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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