L&T Technology Services Engineer Trainee Interview Questions and Answers

Some aptitude questions with coding questions

Q1. Types of constructors
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Types of constructors include default constructor, parameterized constructor, copy constructor, and conversion constructor.
• Default constructor: Constructor with no parameters.

• Parameterized constructor: Constructor with parameters to initialize object properties.

• Copy constructor: Constructor that creates a new object as a copy of an existing object.

• Conversion constructor: Constructor that converts one data type to anoth...read more
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Q2. About internet of things
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Quants and Domain related questions

Q1. Stress Strain Diagram
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Q1. What is your Passion?
Ans. 
My passion lies in engineering innovation, where I enjoy solving complex problems and creating efficient solutions that impact lives positively.
• I love working on projects that involve renewable energy, like designing solar-powered devices.

• I enjoy coding and developing software that improves user experience, such as mobile applications.

• Participating in hackathons allows me to collaborate with others and push the boundar...read more
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Q1. What is bcc and fcc
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BCC and FCC are crystal structures in materials science. BCC has atoms at the corners and center of the cube, while FCC has atoms at the corners and face centers.
• BCC stands for Body-Centered Cubic, with atoms at the corners and one in the center of the cube.

• FCC stands for Face-Centered Cubic, with atoms at the corners and one on each face of the cube.

• BCC has a coordination number of 8, while FCC has a coordination numb...read more
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Q2. What is psi how do you calculate
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Psi stands for pounds per square inch and is a unit of pressure. It is calculated by dividing the force applied by the area over which the force is distributed.
• Psi is a unit of pressure used in various industries such as engineering, automotive, and manufacturing.

• To calculate psi, you divide the force (in pounds) by the area (in square inches) over which the force is distributed.

• For example, if a force of 100 pounds is...read more
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Q1. What is the difference between 1st and 3rd angle projection ?
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1st and 3rd angle projection are two different methods used in technical drawing to represent 3D objects on 2D surfaces.
• 1st angle projection is commonly used in Europe and Asia, where the object is placed in the first quadrant (between the plane of projection and the observer).

• 3rd angle projection is commonly used in North America, where the object is placed in the third quadrant (behind the plane of projection).

• In 1st...read more
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