MAPAL Interview Questions and Answers

Hooks are a feature in React that allow you to use state and other React features in functional components.

• Hooks are functions that let you use state and other React features in functional components.

• Class components use lifecycle methods, while functional components can use hooks to achieve the same functionality.

• Hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.

• Examples of hooks include useState, useEffect, useContext, et...read more

React component lifecycle includes mounting, updating, and unmounting phases.

• Mounting phase: constructor, render, componentDidMount

• Updating phase: shouldComponentUpdate, render, componentDidUpdate

• Unmounting phase: componentWillUnmount

Create a login page in React

• Use React Router for navigation

• Create a form with input fields for username and password

• Implement form validation for input fields

• Use state to manage user input and form submission

• Display error messages for invalid input or authentication failure

Expected CTC and current CTC are common questions in job interviews to understand candidate's salary expectations and current compensation.

• Be honest and provide a realistic range for expected CTC based on your experience and industry standards.

• Research the average salary for Senior Engineers in your location to give a competitive range.

• Consider factors like benefits, bonuses, and career growth opportunities when discussing expected CTC.

• For current CTC, provide the exact figur...read more

The type of gate and runner used in injection molding process determines the flow of molten material into the mold cavity.

• Common types of gates include sprue gate, edge gate, and hot runner gate

• The type of gate chosen depends on the material being used, part design, and desired finish

• Runners are channels that connect the gate to the mold cavity, allowing for proper flow and distribution of material

Design a user-friendly login page with input fields for username and password, a 'forgot password' link, and a 'sign up' option.

• Include input fields for username and password

• Add a 'forgot password' link for password recovery

• Provide a 'sign up' option for new users

• Implement validation for input fields

• Consider adding a 'remember me' option for convenience