Filter interviews by
I applied via Naukri.com and was interviewed before Nov 2022. There were 2 interview rounds.
Electronic components work based on Ohm's Law, which relates voltage, current, and resistance.
Ohm's Law states that V = I * R, where V is voltage, I is current, and R is resistance.
Electronic components such as resistors, capacitors, and inductors follow Ohm's Law in their operation.
Understanding Ohm's Law helps in designing and troubleshooting electronic circuits.
For example, in a circuit with a 12V battery and a 4 oh...
IGBT stands for Insulated Gate Bipolar Transistor. It is a power semiconductor device used for switching and amplifying electrical signals.
IGBT combines the advantages of both MOSFET and bipolar junction transistor.
It has a high input impedance like a MOSFET and a low on-state voltage drop like a bipolar transistor.
IGBTs are commonly used in applications such as motor drives, power supplies, and renewable energy system...
To test a battery, you can use a multimeter to measure voltage, perform a load test, and check for any physical damage or leaks.
Use a multimeter to measure the voltage of the battery. A healthy battery should have a voltage close to its rated voltage.
Perform a load test by connecting a known load to the battery and monitoring its voltage drop. A healthy battery should maintain a stable voltage.
Inspect the battery for a...
A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a type of transistor used for amplifying or switching electronic signals.
MOSFET is a three-terminal device that consists of a source, a drain, and a gate.
It is made up of a metal gate electrode separated from the semiconductor channel by a thin insulating layer of oxide.
MOSFETs are widely used in various electronic devices such as computers, smartphones, a...
I applied via Approached by Company and was interviewed before May 2022. There were 2 interview rounds.
An inverter is an electronic device that converts DC power to AC power.
Inverters are commonly used in solar power systems to convert DC power from solar panels to AC power for use in homes and businesses.
They are also used in cars to convert DC power from the battery to AC power for charging devices.
Inverters come in different sizes and capacities depending on the amount of power they can convert.
They can be pure sine ...
Inverter current can be checked using a clamp meter or a multimeter.
Use a clamp meter to measure the current flowing through the inverter's output wires
Set the clamp meter to the appropriate range and clamp it around one of the output wires
Read the current value displayed on the clamp meter
Alternatively, use a multimeter to measure the voltage drop across a shunt resistor in series with the output wires
Calculate the cu
IGBT stands for Insulated Gate Bipolar Transistor. It is a power semiconductor device used for switching and amplifying electrical power.
IGBT combines the advantages of both MOSFET and BJT transistors
It is used in various applications such as motor drives, power supplies, renewable energy systems, etc.
IGBT has a high input impedance and low on-state voltage drop
It is capable of handling high current and voltage levels
I
The color code of resistance is used to identify the resistance value of a resistor.
The color code consists of four or five colored bands on the resistor.
The first two bands represent the significant digits of the resistance value.
The third band represents the multiplier.
The fourth band represents the tolerance.
The fifth band, if present, represents the temperature coefficient.
For example, a resistor with bands of brow...
A diode is an electronic component that allows current to flow in one direction and blocks it in the opposite direction.
Diodes are commonly used in rectifiers to convert AC to DC
They are also used in voltage regulators to maintain a constant voltage
Diodes can be used as a switch in electronic circuits
They are made of semiconductor materials such as silicon or germanium
UTL Solar interview questions for designations
I applied via Indeed and was interviewed before Mar 2022. There were 3 interview rounds.
Resistance is the opposition to the flow of electric current.
Resistance is measured in ohms (Ω)
It is caused by the interaction between electrons and the atoms of a material
Materials with high resistance are called insulators, while those with low resistance are called conductors
Resistance can be calculated using Ohm's Law: R = V/I
Examples of resistors include light bulbs, heating elements, and electronic components
A capacitor is an electronic component that stores energy in an electric field, while a diode is a semiconductor device that allows current to flow in only one direction.
Capacitors are commonly used in electronic circuits to filter out noise and stabilize voltage.
Diodes are used in rectifiers, voltage regulators, and signal demodulators.
Capacitors are measured in farads, while diodes are measured in volts and amperes.
A transistor is a semiconductor device used to amplify or switch electronic signals and power.
It has three layers of semiconductor material: P-type, N-type, and P-type.
It can be used as an amplifier to increase the strength of a weak signal.
It can also be used as a switch to turn a circuit on or off.
Transistors are commonly used in electronic devices such as computers, radios, and televisions.
Get interview-ready with Top UTL Solar Interview Questions
Top trending discussions
I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.
Lifecycle methods are methods that are automatically called at certain points in the lifecycle of a component in React.
Lifecycle methods include componentDidMount, componentDidUpdate, componentWillUnmount, etc.
These methods allow developers to perform actions at specific points in a component's lifecycle, such as fetching data after the component has been rendered.
They are used to manage side effects, perform cleanup, ...
React is a popular JavaScript library for building user interfaces.
Component-based architecture for reusability and easy maintenance
Virtual DOM for efficient updates and performance optimization
JSX syntax for writing HTML within JavaScript
One-way data binding for predictable data flow
Support for server-side rendering for improved SEO
Large community and ecosystem with many third-party libraries and tools
Class components are ES6 classes that extend from React.Component and have state and lifecycle methods, while functional components are simple functions that take props as input and return JSX.
Class components are defined using ES6 classes and have a render method.
Functional components are defined as simple functions that take props as input and return JSX.
Class components can have state and lifecycle methods like comp...
Higher order components are functions that take a component and return a new component with additional functionality.
Higher order components enhance the functionality of existing components
They can be used for code reusability and separation of concerns
Examples include withRouter from React Router and connect from React Redux
React hooks are functions that let you use state and other React features without writing a class.
React hooks were introduced in React 16.8.
They allow you to use state and other React features in functional components.
Some commonly used hooks are useState, useEffect, useContext, and useReducer.
Hooks are more flexible and easier to use compared to class components.
ContextAPI is a built-in feature in React for managing global state, while Redux is a separate library for state management in React applications.
ContextAPI is built into React, while Redux is a separate library.
ContextAPI is primarily used for managing global state in a React application.
Redux provides a centralized store for state management and follows a unidirectional data flow.
ContextAPI is simpler to use for smal...
Semantic elements in HTML are tags that clearly define the content they wrap, providing meaning to both browsers and developers.
Semantic elements help improve SEO by providing search engines with better understanding of the content.
Examples of semantic elements include <header>, <footer>, <article>, <section>, <nav>, <aside>, <main>, <figure>, <figcaption>, <deta...
Pseudo elements are used in CSS to style specific parts of an element.
Pseudo elements are denoted by double colons (::) in CSS.
They allow styling of specific parts of an element, like the first letter or line.
Common pseudo elements include ::before, ::after, ::first-line, and ::first-letter.
The box model is a fundamental concept in CSS that defines the layout of elements on a webpage.
The box model consists of content, padding, border, and margin.
Content: the actual content of the element, such as text or images.
Padding: space between the content and the border.
Border: a line that goes around the padding and content.
Margin: space outside the border, separating the element from other elements.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable and function declarations are hoisted to the top of their scope.
Only declarations are hoisted, not initializations.
Function declarations take precedence over variable declarations.
Example: console.log(myVar); var myVar = 10; // Output: undefined
Example: cons...
Normal functions are defined using the function keyword, while arrow functions are defined using the => syntax.
Normal functions are hoisted, while arrow functions are not hoisted.
Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.
Arrow functions do not have their own 'arguments' object.
Arrow functions are more concise and have implicit return.
Arrow functions cannot be used as co
Splice and slice are methods used in programming to manipulate arrays.
Splice is used to add or remove elements from an array at a specific index.
Slice is used to extract a portion of an array and returns a new array.
Example of splice: array.splice(2, 0, 'new element') - adds 'new element' at index 2.
Example of slice: array.slice(1, 4) - extracts elements from index 1 to 3.
Coding questions on Java script like array methods and objects handling. coding questions on React is like life cycle methods using functional components and state management.
posted on 21 Jul 2024
posted on 14 Oct 2021
posted on 5 Oct 2023
I applied via Walk-in and was interviewed in May 2021. There were 4 interview rounds.
based on 5 interviews
2 Interview rounds
based on 17 reviews
Rating in categories
Quality Engineer
53
salaries
| ₹1.8 L/yr - ₹3.8 L/yr |
Service Engineer
52
salaries
| ₹1.4 L/yr - ₹4 L/yr |
Sales Coordinator
51
salaries
| ₹1.8 L/yr - ₹3.6 L/yr |
Test Engineer
44
salaries
| ₹1.1 L/yr - ₹3.5 L/yr |
Area Sales Manager
37
salaries
| ₹2.5 L/yr - ₹6.7 L/yr |
Danfoss Power Solutions
LM Wind Power
Senvion
EMCO