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

Basics of mathematical ability and verbal ability

Q1. Introduction - explain projects
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Q2. Data analytics explain
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Q1. What solution can be offer ?
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Q2. Long answer in terms of offering created by me
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Q1. What is aspiration
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Q2. Salary expectation and looking for job. Why leaving ?
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Q3. What are strength
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The questions are easy as compare to other companies. The round was online test

Q1. The interview was easy and basically based on resume and projects done in the past
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Q2. The interview was easy and mostly of weakness and strength
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Q1. Regarding Asking my previous Experience!
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Q1. What is Side member & cross member in biw?
Ans. 
Side member and cross member are structural components in the Body in White (BIW) of a vehicle, providing support and rigidity.
• Side members are longitudinal structural components that run along the sides of the vehicle, providing support and connecting various components.

• Cross members are structural components that run across the width of the vehicle, connecting the side members and providing additional rigidity.

• These ...read more
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Q2. What is Annotations, PMI?
Ans. 
Annotations, PMI stands for Product Manufacturing Information, which includes dimensions, tolerances, materials, and other specifications on a technical drawing.
• PMI is used to communicate important information about a product's design and manufacturing requirements.

• Annotations are typically added to CAD drawings to provide clarity and guidance to manufacturers.

• Examples of PMI include geometric dimensioning and toleranc...read more
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Q3. How to decide Bead & dart in biw member?
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Beads and darts are decided based on design requirements, manufacturing constraints, and structural considerations in BIW members.
• Consider design requirements such as stiffness, strength, and crashworthiness.

• Take into account manufacturing constraints like tooling limitations and cost.

• Evaluate structural considerations such as load distribution and stress concentrations.

• Examples: Beads are often used to increase stiffn...read more
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Q4. Which method are used for making biw mean manufacturing process?
Ans. 
Various methods such as stamping, welding, and bonding are used for making BIW in manufacturing processes.
• Stamping: involves pressing a sheet of metal into a die to create the desired shape

• Welding: joining metal pieces together using heat or pressure

• Bonding: using adhesives to attach metal components

• Riveting: joining metal parts using rivets

• Hydroforming: shaping metal using fluid pressure
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Q5. Diff b/w Hydroforming & forming?
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Hydroforming uses fluid pressure to shape metal, while forming involves shaping metal using mechanical force.
• Hydroforming uses fluid pressure to shape metal into complex shapes

• Forming involves shaping metal using mechanical force such as bending, stretching, or compressing

• Hydroforming is often used in automotive industry for creating lightweight and strong components

• Forming can be done through processes like stamping,
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Q6. GD& T use it?
Ans. 
Yes, GD&T (Geometric Dimensioning and Tolerancing) is used in engineering to communicate design specifications.
• GD&T is a symbolic language used on engineering drawings to specify the allowable variations in form, size, and orientation of features.

• It helps ensure that parts fit together correctly and function properly.

• GD&T can improve quality, reduce costs, and lead to more efficient manufacturing processes.

• Examples of ...read more
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Q7. Benchmarking & Master section... In design?
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Benchmarking and master section are important in design for setting standards and improving performance.
• Benchmarking involves comparing design processes, products, or performance against industry standards or competitors.

• Master section refers to a standardized section of a design that serves as a reference point for consistency and quality.

• Both benchmarking and master section help in setting benchmarks, identifying are...read more
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Q8. What is LMC & MMC (Least Material Condition & Max Material Condition) Explain with example?
Ans. 
LMC & MMC are GD&T concepts used to define the extreme sizes of a part. LMC is the smallest size while MMC is the largest size.
• LMC (Least Material Condition) is the condition where a part has the least amount of material, ensuring the smallest size possible.

• MMC (Max Material Condition) is the condition where a part has the most amount of material, ensuring the largest size possible.

• GD&T uses LMC and MMC to establish th...read more
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Some aptitude questions with coding questions

Q1. Types of constructors
Ans. 
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
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Q2. About internet of things
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Q1. What is the usage of Yield keyword
Ans. 
Yield keyword is used in Python to pause and resume a generator function.
• Yield keyword is used to return a value from a generator function and pause its execution.

• When the generator function is called again, it resumes from where it was paused.

• Yield can be used in a loop to generate a sequence of values without storing them all in memory.

• Example: def my_generator(): yield 1 yield 2 yield 3
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Q2. How will you n number of parmeters to a function where you n is variable number and you don't know the parameters that will be received
Ans. 
Use variadic arguments in C++ to handle variable number of parameters in a function
• Use variadic arguments in C++ to create a function that can accept any number of parameters

• Example: void myFunction(int firstParam, ...)

• Access the parameters using va_list and va_start macros

• Example: va_list args; va_start(args, firstParam); int nextParam = va_arg(args, int);

• End the argument list with va_end macro
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Q3. SQL join query and use aggregate function in it
Ans. 
SQL join query combines data from multiple tables based on a related column, and aggregate functions perform calculations on grouped data.
• Use JOIN keyword to combine data from multiple tables based on a related column

• Use aggregate functions like SUM, AVG, COUNT, etc. to perform calculations on grouped data

• Example: SELECT orders.order_id, SUM(order_details.quantity) FROM orders JOIN order_details ON orders.order_id = or
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Q4. Software management framework that I am following, and different scrum terminologies
Ans. 
I follow the Agile software management framework and am familiar with various Scrum terminologies.
• Agile software management framework focuses on iterative development and collaboration.

• Scrum is a specific Agile framework that includes roles like Scrum Master and Product Owner.

• Some Scrum terminologies include Sprint, Daily Standup, Backlog, and User Stories.
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