IIT Kharagpur Engineering Student Interview Questions and Answers

Quantitative Aptitude basic questions, Logical and Verbal

Q1. What is the concept of hoisting in javascript programming?
Ans. 
Hoisting in JavaScript is the behavior of moving variable and function declarations to the top of their containing scope during compilation.
• Variables declared with 'var' are hoisted, but their initialization remains in place. Example: console.log(x); var x = 5; // undefined

• Function declarations are fully hoisted, allowing them to be called before their definition. Example: greet(); function greet() { console.log('Hello...read more
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Q2. What is the difference between let, var, and const in JavaScript?
Ans. 
let, var, and const are used for variable declaration in JavaScript, differing in scope, hoisting, and mutability.
• var: Function-scoped or globally scoped; can be redeclared and updated.

• Example: var x = 10; var x = 20; // x is now 20

• let: Block-scoped; cannot be redeclared but can be updated.

• Example: let y = 10; y = 20; // y is now 20; let y = 30; // Error

• const: Block-scoped; cannot be redeclared or updated; must be init...read more
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1 hour test based on knowledege

Service now developer

Aptitude test for knowledge

Q1. Self introduction
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Q2. What are the projects I have done in the graduate
Ans. 
I have completed projects in robotics, renewable energy, and machine learning during my graduate studies.
• Designed and built a robotic arm capable of performing various tasks autonomously

• Developed a renewable energy system using solar panels and wind turbines for off-grid applications

• Implemented machine learning algorithms for predictive maintenance in industrial equipment
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Aptitude test and logical reasoning and verbal

Q1. About html ,csss,JavaScript
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Q1. How do you think you are fit for the role ?
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Q1. What is your expectations from the job ?
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Write a pivot dinamic column from rows in SQL server.

Q1. Clustered and non clustered indexing in SQL server
Ans. 
Clustered indexing physically reorders the data in the table, while non-clustered indexing creates a separate structure.
• Clustered indexing determines the physical order of data rows in a table based on the indexed column.

• Non-clustered indexing creates a separate structure that contains the indexed column's values and pointers to the actual data rows.

• Clustered indexes are faster for retrieval but slower for inserts and ...read more
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Q2. Nested loops in SQL server
Ans. 
Nested loops in SQL server are used to iterate through multiple levels of data.
• Nested loops are used when you need to iterate through a set of data within another set of data.

• They can be implemented using nested SELECT statements or JOIN clauses.

• Example: SELECT * FROM table1 t1 INNER JOIN table2 t2 ON t1.id = t2.id WHERE t1.column = 'value'
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Repository pattern in asp.net core API