L&T Technology Services Design Engineer Interview Questions, Process, and Tips

Q1. Techical codes and standards, piping supports
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Q1. 3d modeling , piping, isometrics, layout orthographic
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Q1. How many GD & T symbol are there?
Ans. 
There are 14 GD&T symbols commonly used in engineering drawings.
• There are 14 commonly used GD&T symbols, including position, concentricity, perpendicularity, parallelism, etc.

• Each GD&T symbol conveys specific geometric tolerancing information to ensure proper part functionality and interchangeability.

• Examples of GD&T symbols include: ⊥ for perpendicularity, ∥ for parallelism, ⌀ for diameter, etc.
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Q2. Difference between concentricity and Circular runout?
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Concentricity measures the center point of a feature relative to its axis, while circular runout measures the total variation of a feature surface relative to its center axis.
• Concentricity ensures that the center point of a feature is in line with its axis

• Circular runout measures the total variation of a feature surface relative to its center axis

• Concentricity is more concerned with the center point alignment, while ci...read more
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Q3. Which materials are used in sheetmetal?
Ans. 
Common materials used in sheetmetal include steel, aluminum, copper, and titanium.
• Steel is commonly used for its strength and durability

• Aluminum is lightweight and corrosion-resistant

• Copper is used for its conductivity in electrical applications

• Titanium is strong and lightweight, often used in aerospace industry
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Q4. What are different sheetmetal manufacturing process?
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Different sheetmetal manufacturing processes include cutting, bending, forming, and joining.
• Cutting: processes like shearing, laser cutting, and waterjet cutting are used to cut sheetmetal into desired shapes.

• Bending: techniques such as press brake bending and roll forming are used to bend sheetmetal into specific angles.

• Forming: methods like deep drawing and hydroforming are used to shape sheetmetal into complex forms...read more
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Create Weldment assembly in NX with detailed drawing.

Q1. Why we should hire you?
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Q2. Salary negotiations
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Q1. Material science Projects involved in college final year
Ans. 
I conducted research on the properties of composite materials for my final year project.
• Researched different types of composite materials and their applications

• Analyzed the mechanical properties of the materials through testing

• Designed and fabricated a prototype using the composite materials

• Presented findings and recommendations based on the research
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Basic questions from general aptitude and reasoning.

Q1. What are your strength and weakness.
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Q2. What are your hobbies
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Q3. What you know about LTTS.
Ans. 
LTTS stands for L&T Technology Services, a leading global engineering services company.
• LTTS is a subsidiary of Larsen & Toubro Limited (L&T), an Indian multinational conglomerate.

• It offers engineering, research and development services across various industries such as automotive, aerospace, telecom, and more.

• LTTS has a strong focus on innovation and digital transformation in engineering solutions.

• The company has a glo...read more
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Basic aptitude questions

Q1. About final year project
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Q2. How two wheeler works
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A two wheeler works by using an engine to convert fuel into mechanical energy, which is then transferred to the wheels to propel the vehicle forward.
• Two wheeler typically has a combustion engine that burns fuel to generate power

• The engine is connected to the wheels via a transmission system, which transfers power to the wheels

• The rider controls the speed and direction of the two wheeler using handlebars and throttle

• Bra...read more
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Q1. Question Related to sp3d and piping
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Q1. Salary discussion
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