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Tata Group Junior Engineer Electrical Interview Questions and Answers
Tata Group Junior Engineer Electrical Interview Experiences
1 interview found
I applied via Job Fair and was interviewed in Jun 2022. There were 2 interview rounds.
(2 Questions)
- Q1. What is transformer?
- Ans.
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They consist of two coils of wire, called the primary and secondary coils, wrapped around a magnetic core.
When an AC current flows through the primary coil, it creates a magnetic field th...
- Q2. Losses of transformer.
- Ans.
Losses in transformer are of two types - copper losses and iron losses.
Copper losses occur due to the resistance of the winding and are also known as I²R losses.
Iron losses occur due to the alternating magnetization and demagnetization of the core and are also known as hysteresis and eddy current losses.
Total losses in a transformer are the sum of copper losses and iron losses.
Efficiency of a transformer is the ratio o...
Interview Preparation Tips
Interview questions from similar companies
Junior Engineer Electrical Interview Questions & Answers
Adani Group
Poonam Singh Rathore
posted on 12 Feb 2025
(2 Questions)
- Q1. Adani solar energy
- Q2. Adani solar energy sidda
- Ans.
Adani solar energy sidda
(2 Questions)
- Q1. Adani solar energy
- Q2. Adani solar energy
(2 Questions)
- Q1. Adani solar energy
- Q2. Adani solar energy sidda
Anonymous
I was interviewed before Sep 2020.
(1 Question)
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
- Q1.
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
- Ans.
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Interview Preparation Tips
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Hr
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...
Interview Preparation Tips
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.
I applied via Referral and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Situation Based Basic formulas rolls and responsibilities
Interview Preparation Tips
I applied via Job Portal and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Oops Concepts,JAVA 8
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Mar 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. How do you get the second to last element from a SQL table?
- Ans.
To get the second to last element from a SQL table, use the OFFSET-FETCH clause.
Use the ORDER BY clause to sort the table in descending order.
Use the OFFSET-FETCH clause to skip the last row and fetch the second to last row.
Example: SELECT column_name FROM table_name ORDER BY column_name DESC OFFSET 1 ROWS FETCH NEXT 1 ROWS ONLY;
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Drupal data migration
Interview Questionnaire
1 Question
- Q1. About the SDLC
Interview Preparation Tips
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