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VVDN Technologies Junior Engineer SMT Interview Questions and Answers
VVDN Technologies Junior Engineer SMT Interview Experiences
1 interview found
(3 Questions)
- Q1. What do you understand from the word electronics?
- Ans.
Electronics refers to the branch of physics and technology that deals with the flow of electrons and their behavior in devices and systems.
Electronics involves the study and application of electrical circuits, components, and systems.
It focuses on the behavior of electrons in semiconductors, conductors, and insulators.
Examples of electronic devices include smartphones, computers, televisions, and radios.
- Q2. What are passive and active electrical components?
- Ans.
Passive components do not require an external power source to operate, while active components require a power source.
Passive components include resistors, capacitors, inductors, and transformers.
Active components include transistors, diodes, integrated circuits, and operational amplifiers.
Passive components do not amplify or control electrical signals, while active components can amplify, switch, or control electrical...
- Q3. What is an ideal current source?
- Ans.
An ideal current source is a device that provides a constant current output regardless of changes in load resistance or voltage.
An ideal current source has zero output impedance, meaning it can deliver the specified current to any load resistance without voltage drop.
It maintains a constant current output even if the load resistance changes.
Examples of ideal current sources include transistors operating in the active r...
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Dsa,oops,seo,reactjs,node js
(2 Questions)
- Q1. What is seo and how it was used
- Ans.
SEO stands for Search Engine Optimization, which is the practice of increasing the quantity and quality of traffic to your website through organic search engine results.
SEO involves optimizing your website content, meta tags, and backlinks to improve its visibility on search engines like Google.
Keywords play a crucial role in SEO, as they help search engines understand the relevance of your content to users' search que...
- Q2. What is event loop
- Ans.
Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
Event loop is commonly used in JavaScript to handle asynchronous operations.
It allows for non-blocking I/O operations by delegating tasks to the operating system.
Event loop continuously checks the event queue for new events and executes them in a sequential manner.
Example: setTimeout ...
Skills evaluated in this interview
Junior Production Officer Interview Questions & Answers
Hexaware Technologies
Anonymous
posted on 10 Feb 2024
Selected
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Asked Javascript related questions
- Q2. What's is hoisting? What is prototypal inheritance
- Ans.
Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their scope.
Hoisting applies to both variable and function declarations.
Variable declarations are hoisted but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
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Skills evaluated in this interview
Palindrom test with binary search algo
Trapping rain water test with leetcode
(1 Question)
- Q1. Ctc culture fit and other diwcussion
Selected
I applied via Recruitment Consulltant and was interviewed in Jul 2023. There were 3 interview rounds.
(1 Question)
- Q1. Good skill and growth
(1 Question)
- Q1. Growth and good skill
Interview Preparation Tips
- Quality Assurance
- Quality Control
- Quality Management
Interview Questionnaire
3 Questions
- Q1. Draw a SLD on 33/11 Kv Substation?
- Ans.
A Single Line Diagram (SLD) is a simplified representation of a 33/11 Kv substation.
SLD shows the electrical components and connections in a substation
It includes transformers, circuit breakers, busbars, and other equipment
Lines are drawn to represent the flow of electricity between components
Symbols and labels are used to indicate the type and rating of each component
Example: A 33/11 Kv substation SLD may show a 33 Kv...
- Q2. How to Erection a 8MVA power transformer?
- Ans.
To erect an 8MVA power transformer, follow these steps:
Prepare the site by leveling the ground and ensuring proper drainage
Install the transformer foundation and anchor bolts
Position the transformer on the foundation using a crane
Connect the transformer to the high voltage and low voltage cables
Perform insulation resistance tests and verify connections
Fill the transformer with insulating oil and perform oil tests
Energi
- Q3. Difference between Power Transformer and Distribution Transformer?
- Ans.
Power transformers are used in high voltage transmission systems, while distribution transformers are used in low voltage distribution networks.
Power transformers are designed for high voltage transmission systems, typically above 33 kV.
Distribution transformers are used in low voltage distribution networks, typically below 33 kV.
Power transformers are larger in size and have higher power ratings compared to distributi...
(2 Questions)
- Q1. What is html and why do we use it
- Ans.
HTML is a markup language used for creating and structuring web pages.
HTML stands for HyperText Markup Language
It is used to create the structure and content of web pages
HTML uses tags to define elements such as headings, paragraphs, images, links, etc.
Example: <h1>This is a heading</h1>
- Q2. Html is a markup language
It was some tricky question
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 4 interview rounds.
Aptitude and DSA questions majorly from GFG
3 coding questions moderate to hard difficulty
(1 Question)
- Q1. Coding questions of previous round, DS ,basic OOP and SQL
(1 Question)
- Q1. Standard HR questions like tell me about yourself
Interview Preparation Tips
Data structure and algos basic
Data structure and algos intermediate
Topic was avengers and it was for 30 mins out of 10, 1 gets selected
(2 Questions)
- Q1. 1 hr JAVA interview
- Q2. From core to advanced
(1 Question)
- Q1. 30 mins HR round about family etc.
(2 Questions)
- Q1. Very good. Very good. Very good Very good
- Q2. Tell me the technologies that I'm aware of and my previous experiences.
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VVDN Technologies Junior Engineer SMT Reviews and Ratings
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Rating in categories
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Junior Engineer
1.6k
salaries
|  ₹1.1 L/yr - ₹3.6 L/yr |
|
Assistant Engineer
690
salaries
| ₹1.5 L/yr - ₹4.5 L/yr |
|
Senior Software Engineer
353
salaries
| ₹5 L/yr - ₹20 L/yr |
|
Embedded Software Engineer
306
salaries
| ₹3.2 L/yr - ₹9.1 L/yr |
|
Technical Lead
303
salaries
| ₹7 L/yr - ₹24 L/yr |
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