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Sigma Electric Manufacturing Corporation Interview Questions, Process, and Tips

Updated 21 Feb 2025

Top Sigma Electric Manufacturing Corporation Interview Questions and Answers

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64 interviews found

I applied via Naukri.com and was interviewed in Jun 2020. There were 4 interview rounds.

Interview Questionnaire 

13 Questions

  • Q1. They asked me lot of technical questions on java technology and sql
  • Q2. What is oops concepts of java and its type
  • Ans. 

    Java OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction.

    • Inheritance allows a class to inherit properties and methods from another class.

    • Polymorphism allows objects to take on multiple forms and behave differently based on the context.

    • Encapsulation hides the implementation details of a class and only exposes necessary information.

    • Abstraction focuses on the essential features of an object and...

  • Answered by AI
  • Q3. What is sql aggregation function
  • Ans. 

    SQL aggregation functions perform calculations on multiple rows of a single column of a table.

    • Aggregation functions include COUNT, SUM, AVG, MAX, and MIN.

    • They are used with the SELECT statement to retrieve data from a table.

    • Examples: SELECT COUNT(*) FROM customers; SELECT AVG(price) FROM products;

    • Aggregate functions can also be used with the GROUP BY clause to group data by one or more columns.

  • Answered by AI
  • Q4. What is join and it's types
  • Ans. 

    Join is a SQL operation that combines rows from two or more tables based on a related column between them.

    • Join is used to retrieve data from multiple tables in a single query.

    • Types of join include inner join, left join, right join, and full outer join.

    • Inner join returns only the matching rows from both tables.

    • Left join returns all the rows from the left table and matching rows from the right table.

    • Right join returns al...

  • Answered by AI
  • Q5. How to write join queries
  • Ans. 

    Join queries are used to combine data from two or more tables based on a related column.

    • Use the JOIN keyword followed by the name of the table you want to join.

    • Specify the columns you want to select from each table.

    • Use the ON keyword to specify the column(s) that the tables should be joined on.

    • There are different types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.

    • Example: SELECT customers.name, orde...

  • Answered by AI
  • Q6. What is sql and how to use
  • Ans. 

    SQL is a programming language used to manage and manipulate relational databases.

    • SQL stands for Structured Query Language

    • It is used to create, modify, and query databases

    • Common commands include SELECT, INSERT, UPDATE, and DELETE

    • Example: SELECT * FROM customers WHERE age > 18;

  • Answered by AI
  • Q7. What is constructor and how to use and explain it
  • Ans. 

    A constructor is a special method used to initialize objects in a class.

    • Constructors have the same name as the class they belong to.

    • They are called automatically when an object is created.

    • Constructors can take parameters to set initial values.

    • They can be overloaded to provide multiple ways of initializing objects.

  • Answered by AI
  • Q8. What is class and object and different between method overriding and method overloading
  • Ans. 

    Class and object are fundamental concepts in object-oriented programming. Method overloading and method overriding are two ways to achieve polymorphism.

    • A class is a blueprint or template for creating objects that encapsulate data and behavior.

    • An object is an instance of a class that has its own state and behavior.

    • Method overloading is when multiple methods in a class have the same name but different parameters.

    • Method o...

  • Answered by AI
  • Q9. What is exception handling and how to use
  • Ans. 

    Exception handling is the process of handling errors and unexpected events in a program.

    • It involves identifying and anticipating potential errors

    • It provides a mechanism to handle these errors gracefully

    • It helps prevent program crashes and improves user experience

    • Examples include try-catch blocks, throw statements, and finally blocks

  • Answered by AI
  • Q10. What is multithreading and its method like wait method
  • Ans. 

    Multithreading is the ability of a CPU to execute multiple threads concurrently. Wait method is used to pause a thread.

    • Multithreading allows for better utilization of CPU resources

    • Wait method is used to pause a thread until a certain condition is met

    • Other methods like notify and notifyAll can be used to wake up waiting threads

    • Multithreading can improve performance in applications that require parallel processing

    • Java pr...

  • Answered by AI
  • Q11. What is JSP and servlet and explain it
  • Ans. 

    JSP and Servlet are Java technologies used for creating dynamic web pages and handling HTTP requests and responses.

    • JSP stands for JavaServer Pages and is used for creating dynamic web pages that can interact with server-side data and logic.

    • Servlet is a Java program that runs on a web server and handles HTTP requests and responses.

    • JSP and Servlet work together to create dynamic web applications that can generate HTML, p...

  • Answered by AI
  • Q12. What is sql sub query and explain it
  • Ans. 

    SQL subquery is a query within another query used to retrieve data from one or more tables.

    • Subqueries are enclosed in parentheses and placed within the WHERE or HAVING clause of the outer query.

    • They can be used to filter, sort, or aggregate data based on the results of the subquery.

    • Subqueries can also be used in the SELECT statement to retrieve a single value or set of values.

    • Example: SELECT * FROM employees WHERE depa...

  • Answered by AI
  • Q13. What is complex query and how to write
  • Ans. 

    A complex query is a query that involves multiple tables, conditions, and/or functions.

    • Start by identifying the tables involved in the query

    • Determine the conditions that need to be met using WHERE clause

    • Use JOIN to combine tables if necessary

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

    • Use subqueries to break down complex queries into smaller parts

    • Test the query and refine as necessary

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please you should learn first after that you should give interviews

Skills evaluated in this interview

Top Sigma Electric Manufacturing Corporation Graduate Engineer Trainee (Get) Interview Questions and Answers

Q1. What is class and object and different between method overriding and method overloading
View answer (1)

Graduate Engineer Trainee (Get) Interview Questions asked at other Companies

Q1. Q: 1 What is IC engine? What is the types of IC engine? Q:2 Difference between Otto cycle and Diesel cycle? What is the process of both cycle and what is the effeciency of both cycle ? Which one is good in effeciency? Q:3 Difference between... read more
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I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. L.C. of vernier caliper
  • Ans. 

    L.C. of vernier caliper refers to the least count of the instrument.

    • L.C. is the smallest measurement that can be read on the instrument

    • It is determined by the number of divisions on the vernier scale compared to the main scale

    • For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions that match up with the main scale, the L.C. would be 0.1 mm

  • Answered by AI
  • Q2. QC tools for problem solving
  • Ans. 

    QC tools are used to identify and solve problems in a systematic manner.

    • Root cause analysis

    • Fishbone diagram

    • Pareto chart

    • Control charts

    • Statistical process control

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - QA vhtdhji ggtd7i gurcuiii gyru8i

Junior Quality Engineer Interview Questions asked at other Companies

Q1. 1. If you have to setup a quality lab, what will you do? 2. Formula of Concrete Mix design. 3. What is the process of concrete mix design? 4. Diagonal of Cube mould size 15cmx15cmx15cm. 5. What is Concrete Mix design IS code? 6. Which tests... read more
View answer (2)

I applied via Referral and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. What are PPAP levels
  • Ans. 

    PPAP stands for Production Part Approval Process and has 5 levels of submission.

    • PPAP is a standardized process used in the automotive industry to ensure that suppliers provide parts that meet the customer's requirements.

    • There are 5 levels of PPAP submission, with each level requiring more documentation and testing than the previous level.

    • The levels include: Level 1 - Part Submission Warrant (PSW), Level 2 - PSW with pr...

  • Answered by AI
  • Q2. What is SPC study
  • Ans. 

    SPC study stands for Statistical Process Control study which is a method of quality control.

    • SPC study involves monitoring and controlling a process to ensure it operates within set limits.

    • It uses statistical tools to analyze data and identify trends or patterns in the process.

    • The goal is to identify and correct any variations or defects in the process before they result in non-conforming products.

    • Examples of SPC tools ...

  • Answered by AI
  • Q3. What is MSA study
  • Ans. 

    MSA study stands for Measurement System Analysis study. It is a statistical method used to determine the variation in measurement data.

    • MSA study is used to evaluate the measurement system and identify sources of variation.

    • It helps to determine the accuracy, precision, and stability of the measurement system.

    • MSA study involves collecting data from the measurement system and analyzing it using statistical tools.

    • The resul...

  • Answered by AI
  • Q4. What is pokayoke
  • Ans. 

    Pokayoke is a Japanese term for mistake-proofing or error-proofing.

    • It is a quality control technique used to prevent errors or defects in a product or process.

    • It involves designing a system or process in such a way that mistakes are impossible to make or immediately detected and corrected.

    • Examples include using color-coding, checklists, and sensors to prevent errors.

    • Pokayoke is commonly used in manufacturing and assemb

  • Answered by AI
  • Q5. Drawing reading

Interview Preparation Tips

Interview preparation tips for other job seekers - Study 5 core tools in deep

Assistant Engineer Quality Assurance Interview Questions asked at other Companies

Q1. What is pokayoke
View answer (1)

I applied via Walk-in and was interviewed before Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 1 Details of previous experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Knows about abouts Japanese techniques like 5 s ,poka yoka, continues improvement etc

Top Sigma Electric Manufacturing Corporation Diploma Trainee Engineer Interview Questions and Answers

Q1. How to convert AC to DC & Drawing the Circuit Diagram?
View answer (2)

Diploma Trainee Engineer Interview Questions asked at other Companies

Q1. Wich of the following laws states that: in any electrical network the algebraic sum of the current meeting at a poin is zero ?
View answer (9)

Sigma Electric Manufacturing Corporation interview questions for popular designations

 Diploma Trainee Engineer

 (14)

 Diploma Engineer Trainee - DET

 (4)

 Deputy Manager

 (2)

 Quality Engineer

 (2)

 Assistant Engineer

 (1)

 Assistant Engineer Quality Assurance

 (1)

 Assistant System Engineer

 (1)

 Business Executive

 (1)

I applied via Naukri.com and was interviewed in Sep 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Some techanical & parsnal ability and something about it

Interview Preparation Tips

Interview preparation tips for other job seekers - Work techanics and handal works

Assistant System Engineer Interview Questions asked at other Companies

Q1. Constellation Identification Problem Given a matrix named UNIVERSE with 3 rows and 'N' columns, filled with characters {#, *, .}, where: '*' represents stars. '.' represents empty space. '#' represents a separator between galaxies. Your t... read more
View answer (3)

Get interview-ready with Top Sigma Electric Manufacturing Corporation Interview Questions

I applied via Campus Placement and was interviewed before Jun 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Technical round was too difficult

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview is tough enough. Kindly be prepared if you want to grow your future.

Jobs at Sigma Electric Manufacturing Corporation

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I applied via Campus Placement and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Basic questions like lathe machine parts name operation perform in different types of machine etc
Round 2 - HR 

(3 Questions)

  • Q1. What is your family background?
  • Q2. Why should we hire you?
  • Q3. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep basic clear and focus on production related questions

Top Sigma Electric Manufacturing Corporation Diploma Trainee Engineer Interview Questions and Answers

Q1. How to convert AC to DC & Drawing the Circuit Diagram?
View answer (2)

Diploma Trainee Engineer Interview Questions asked at other Companies

Q1. Wich of the following laws states that: in any electrical network the algebraic sum of the current meeting at a poin is zero ?
View answer (9)

I applied via campus placement at Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV), Bhopal and was interviewed before Mar 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. What can we do to improve the company

Interview Preparation Tips

Interview preparation tips for other job seekers - I will abide by every condition of the company

Top Sigma Electric Manufacturing Corporation Diploma Trainee Engineer Interview Questions and Answers

Q1. How to convert AC to DC & Drawing the Circuit Diagram?
View answer (2)

Diploma Trainee Engineer Interview Questions asked at other Companies

Q1. Wich of the following laws states that: in any electrical network the algebraic sum of the current meeting at a poin is zero ?
View answer (6)

I applied via campus placement at Saroj Mohan Institute of Technology, Kolkata and was interviewed before Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic of Quality

Interview Preparation Tips

Interview preparation tips for other job seekers - Make sure your basic knowledge is good enough.

Quality Assurance and Testing Interview Questions asked at other Companies

Q1. Suppose you are testing an application and you find a bug and now you assigned that bug to a developer but he revert by saying he is not getting this bug in his system. What will you do ?
View answer (4)

I applied via Walk-in and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Introduction? Least count of instruments? Previous experience based questions?

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear all the basic concepts mostly concentrate on units, least count, definition, basic concepts of industry like TPM, 5s, jh pillar etc

Graduate Engineer Interview Questions asked at other Companies

Q1. What is Finite Element Analysis? Explain using examples.
View answer (1)

Sigma Electric Manufacturing Corporation Interview FAQs

How many rounds are there in Sigma Electric Manufacturing Corporation interview?
Sigma Electric Manufacturing Corporation interview process usually has 2-3 rounds. The most common rounds in the Sigma Electric Manufacturing Corporation interview process are HR, Resume Shortlist and Technical.
How to prepare for Sigma Electric Manufacturing Corporation interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Sigma Electric Manufacturing Corporation. The most common topics and skills that interviewers at Sigma Electric Manufacturing Corporation expect are Production, Manufacturing, Die Making, TPM and SPC.
What are the top questions asked in Sigma Electric Manufacturing Corporation interview?

Some of the top questions asked at the Sigma Electric Manufacturing Corporation interview -

  1. What is the defination of Young Modul...read more
  2. How to convert AC to DC & Drawing the Circuit Diagr...read more
  3. How much is a Hydraulic pack pressure...read more
How long is the Sigma Electric Manufacturing Corporation interview process?

The duration of Sigma Electric Manufacturing Corporation interview process can vary, but typically it takes about less than 2 weeks to complete.

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Sigma Electric Manufacturing Corporation Interview Process

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3.9

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3.7

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3.5

Salary

3.8

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3.9

Company culture

3.4

Promotions

3.7

Work satisfaction

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