L&T Technology Services Associate Engineer Interview Questions and Answers

A breather in a transformer allows for pressure equalization and moisture control within the tank.

• Breathers are typically filled with silica gel to absorb moisture.

• They help maintain the integrity of the insulating oil by preventing contamination.

• Breathers are crucial for preventing oxidation and degradation of transformer components.

• For example, a transformer in a humid environment may require more frequent breat...read more

Creating SQL queries to manage employee details involves various operations like insertion, updating, and retrieval of data.

• Use INSERT INTO to add new employee records. Example: INSERT INTO employees (name, position) VALUES ('John Doe', 'Engineer');

• Use SELECT to retrieve employee details. Example: SELECT * FROM employees WHERE position = 'Engineer';

• Use UPDATE to modify existing employee records. Example: UPDATE em...read more

I am open to opportunities in various locations, with a preference for urban areas with good transportation options.

• Open to various locations

• Preference for urban areas

• Good transportation options preferred

Two methods to reverse a string in C language using array of characters.

• Method 1: Using a temporary variable to swap characters from start and end of the string until they meet in the middle.

• Method 2: Using pointers to iterate through the string from both ends and swap characters until they meet in the middle.

Oops concepts with code explanations

• Encapsulation: Wrapping data and methods into a single unit

• Inheritance: Reusing code from a parent class

• Polymorphism: Objects can take many forms

• Abstraction: Hiding complex implementation details

Hooke's Law states that the force needed to extend or compress a spring is directly proportional to the distance it is stretched or compressed.

• Hooke's Law is named after the English scientist Robert Hooke.

• It is commonly used to describe the behavior of springs and elastic materials.

• The law can be mathematically expressed as F = kx, where F is the force applied, k is the spring constant, and x is the displacement f...read more