Siemens Energy
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I applied via Referral and was interviewed in Feb 2023. There were 2 interview rounds.
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I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Node.js is a runtime environment that allows you to run JavaScript code outside of a web browser.
Node.js is built on Chrome's V8 JavaScript engine.
It uses an event-driven, non-blocking I/O model.
Node.js is commonly used for building server-side applications.
It has a large ecosystem of open-source libraries and frameworks like Express.js.
Event loop is a mechanism that allows a program to efficiently handle multiple events or tasks concurrently.
Event loop is commonly used in asynchronous programming to manage tasks that may take varying amounts of time to complete.
It continuously checks for events or tasks in a queue and executes them one by one.
Event loop helps prevent blocking of the main thread by allowing non-blocking execution of tasks.
Popular exam...
Callback is a function passed as an argument to another function to be executed later, while a promise is an object representing the eventual completion or failure of an asynchronous operation.
Callback is used in traditional asynchronous programming, while promises are used in modern asynchronous programming.
Callbacks can lead to callback hell or pyramid of doom, while promises provide better readability and error hand...
Middlewares in Node.js are functions that have access to the request and response objects, and can modify or terminate the request-response cycle.
Middlewares are functions that are executed in the middle of the request-response cycle.
They can perform tasks like parsing request data, logging, authentication, etc.
Middlewares can be added using app.use() method in Express framework.
Example: app.use(bodyParser.json()) to p...
Event emitter is a pattern used to handle and respond to events in software development.
Event emitter is a design pattern commonly used in Node.js for handling events.
It allows objects to subscribe to events and be notified when those events occur.
Event emitter is often used for asynchronous programming and decoupling components.
Example: EventEmitter class in Node.js can be used to create custom events and handle them.
I applied via Recruitment Consultant and was interviewed in May 2017. There were 5 interview rounds.
I applied via Google and was interviewed before Dec 2021. There were 2 interview rounds.
Sales of solar projects can be achieved through effective marketing, networking, and showcasing the benefits of solar energy.
Develop a strong marketing strategy to reach potential clients
Attend industry events and conferences to network with potential clients and partners
Highlight the financial benefits of solar energy, such as cost savings and tax incentives
Emphasize the environmental benefits of solar energy, such as...
Solar energy is harnessed from the sun's radiation and converted into usable electricity.
Solar panels absorb sunlight and convert it into direct current (DC) electricity.
An inverter then converts the DC electricity into alternating current (AC) electricity.
The AC electricity is then used to power homes, businesses, and other electrical devices.
Excess energy can be stored in batteries or fed back into the grid for other...
I applied via Naukri.com and was interviewed before Jun 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Jan 2024. There were 2 interview rounds.
Psychometric test happened online
I applied via Company Website and was interviewed in Apr 2023. There were 3 interview rounds.
posted on 17 Feb 2024
based on 1 interview experience
Difficulty level
Duration
Design Engineer
172
salaries
| ₹4.5 L/yr - ₹10.4 L/yr |
Manager
162
salaries
| ₹16 L/yr - ₹28 L/yr |
Senior Executive
154
salaries
| ₹9.2 L/yr - ₹16.4 L/yr |
Deputy Manager
92
salaries
| ₹12.4 L/yr - ₹20 L/yr |
Solution Engineer
79
salaries
| ₹7.7 L/yr - ₹14 L/yr |
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