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

Q1. Technical question about your experience
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Q1. Not applicable to me
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Q1. Question on Object-Oriented Programming Principles
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Q2. What is malloc?
Ans. 
malloc is a function in C programming used to dynamically allocate memory during runtime.
• malloc stands for 'memory allocation'.

• It is used to allocate a specific amount of memory during program execution.

• The allocated memory is not automatically initialized and must be manually managed.

• Example: int *ptr = (int*) malloc(5 * sizeof(int));
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Q3. What is free ?
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Free refers to something that is given or available without cost or payment.
• Free products or services do not require any payment.

• Free can also refer to freedom or liberty, such as free speech or free will.

• Free can also mean available for use without restrictions, like open-source software.
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Q4. Some coding qusetion
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Q5. What is null pointer ?
Ans. 
A null pointer is a pointer that does not point to any memory location.
• Null pointers are used to represent that a pointer does not point to a valid object or memory location.

• Attempting to dereference a null pointer can result in a segmentation fault or program crash.

• Null pointers are commonly used in programming languages like C and C++.

• Example: int* ptr = nullptr; // ptr is a null pointer
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Based on list, then Selenium x path

Q1. About basics and previous worked project
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Q1. What is Aerofoil?..Herarchy of Aveva?.
Ans. 
An aerofoil is a shape designed to produce a desired aerodynamic force when air flows over it. Aveva is a software company specializing in engineering design solutions.
• Aerofoil is a shape used in aircraft wings to generate lift by creating a pressure difference between the upper and lower surfaces.

• Aveva is a software company that offers engineering design solutions for various industries such as oil and gas, marine, an...read more
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Q2. Whatever questions ans u give...they might go deep in that topic.. so be confident about it before u start
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Q3. What is Distillation and Cofermentation tower?
Ans. 
Distillation and cofermentation towers are used in chemical engineering to separate and purify components of a mixture.
• Distillation tower is used to separate components of a liquid mixture based on their boiling points.

• Cofermentation tower is used in bioengineering to simultaneously ferment multiple substrates.

• Both towers play a crucial role in various industries such as petrochemical, pharmaceutical, and food processi...read more
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Q4. Boilers pressure and tempreture ranges.
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Q1. Previes salary, Behavieral based questions.
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Q1. Simple question from your resume
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Coding related questions

Q1. Tell me about yourself
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Q2. What is your strength and weakness
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Q3. Why are you want to join this question and what is your salary expectation
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