Greenovative Energy Interview Questions, Process, and Tips

There was a machine test organised as the 1st round of the interview process. The machine test was on Angular

Q1. Throw some light on the new angular feature that doesn't use @NgModule
Ans. 
The new Angular feature that doesn't use @NgModule is called Ivy.
• Ivy is the new rendering engine in Angular that doesn't rely on @NgModule for compilation.

• It allows for faster compilation times and smaller bundle sizes.

• Ivy enables features like improved tree shaking and better debugging capabilities.

• Example: Angular 9 introduced Ivy as the default rendering engine.
Answered by AI
Add your answer
Q2. How would the application work without @NgModule
Ans. 
The application would not work properly without @NgModule as it is required to bootstrap the application and configure dependencies.
• Without @NgModule, the application would not be able to bootstrap and start properly.

• NgModule is used to configure dependencies, such as components, directives, and services.

• NgModule also helps in organizing the application into modules for better maintainability and reusability.
Answered by AI
Add your answer
Q3. Mid level Angular interview questions
Add your answer
Q4. What are types of directives in angular
Ans. 
Types of directives in Angular include structural directives, attribute directives, and component directives.
• Structural directives are used to add or remove elements from the DOM based on conditions (e.g. *ngIf, *ngFor)

• Attribute directives are used to change the appearance or behavior of an element (e.g. ngStyle, ngClass)

• Component directives are custom directives that are components themselves (e.g. @Component)
Answered by AI
Add your answer
Q5. Can a service file have more than one instance? If yes how?
Ans. 
Yes, a service file can have more than one instance by creating multiple instances of the service class.
• Multiple instances of a service class can be created by instantiating the class multiple times.

• Each instance will have its own state and can be used independently.

• This can be useful for scenarios where multiple instances of the same service are needed to handle different tasks.
Answered by AI
Add your answer
Q6. What are pipes in angular?
Ans. 
Pipes in Angular are used for transforming data in templates.
• Pipes are used to format data before displaying it in the view.

• They can be used to filter, sort, or transform data in various ways.

• Examples include currency, date, uppercase, and lowercase pipes.
Answered by AI
Add your answer

Q1. How to make an application scalable?
Ans. 
To make an application scalable, consider using cloud services, optimizing database queries, caching frequently accessed data, and using microservices architecture.
• Utilize cloud services like AWS or Azure for scalability on demand

• Optimize database queries to improve performance

• Implement caching mechanisms for frequently accessed data to reduce load on servers

• Use microservices architecture to break down the application ...read more
Answered by AI
Add your answer
Q2. Interview questions based on architecture of project and less of technical aspects
Add your answer

Q1. Salary negotiation, polices discussion, company norms and some basic HR questions.
Add your answer

A table must be created using Angular Material or another UI library to demonstrate CRUD operations.

Q1. Angular performance questions? Which one is faster react or angular?
Add your answer
Q2. Angular Services how to implement it ?
Ans. 
Angular services are used to create reusable code that can be shared across components.
• Create a service using the Angular CLI command 'ng generate service serviceName'

• Inject the service into components by adding it to the providers array in the component's metadata

• Services can be used to share data between components, perform HTTP requests, or handle business logic

• Services are singleton instances, meaning there is only...read more
Answered by AI
Add your answer
Q3. What are the methods for communication between components in Angular? Please elaborate.
Ans. 
Methods for communication between components in Angular include Input and Output properties, ViewChild, Services, and EventEmitters.
• Using Input and Output properties to pass data from parent to child components and emit events from child to parent components.

• Using ViewChild to access child components and their properties directly from the parent component.

• Using Services to create a shared service that can be injected i...read more
Answered by AI
Add your answer

Basic Aptitude questions testing logic

Q1. Questions about SQL
Add your answer
Q2. Questions about Python
Add your answer

It was good and simple test

Took me 1 hour to complete and anther 1 hour for explanation and Q/A

Q1. About my family and why i don't want to work in foreign country
Add your answer
Q2. My expectation on salary
Add your answer
Q3. Long term goal regarding my career
Add your answer