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Operational Energy Group India BDM Interview Questions and Answers

Updated 4 Jul 2021

Operational Energy Group India BDM Interview Experiences

1 interview found

BDM Interview Questions & Answers

user image Anonymous

posted on 4 Jul 2021

I applied via Indeed and was interviewed before Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What was your last year contribution

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Open

Interview questions from similar companies

I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.

Round 1 - Behavioral 

(2 Questions)

  • Q1. What are your 3 strengths and weaknesses
  • Q2. Why Enercon and why are you leaving your current company

Interview Preparation Tips

Interview preparation tips for other job seekers - Show your genuine interest to work here. Show the long term commitment plans
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Technical 

(12 Questions)

  • Q1. What are the lifecycle methods?
  • Ans. 

    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, ...

  • Answered by AI
  • Q2. What are the advantages and features of react?
  • Ans. 

    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

  • Answered by AI
  • Q3. Difference between class and functional components?
  • Ans. 

    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...

  • Answered by AI
  • Q4. What are the Higher order components?
  • Ans. 

    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

  • Answered by AI
  • Q5. What are the React hooks?
  • Ans. 

    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.

  • Answered by AI
  • Q6. What is the difference between contextAPI and Redux?
  • Ans. 

    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...

  • Answered by AI
  • Q7. What are the semantic elements in html?
  • Ans. 

    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...

  • Answered by AI
  • Q8. What are the pseudo elements?
  • Ans. 

    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.

  • Answered by AI
  • Q9. What is box model?
  • Ans. 

    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.

  • Answered by AI
  • Q10. What is hoisting?
  • Ans. 

    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...

  • Answered by AI
  • Q11. What is difference between normal function and arrow function?
  • Ans. 

    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

  • Answered by AI
  • Q12. What is splice and slice?
  • Ans. 

    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.

  • Answered by AI
Round 2 - Coding Test 

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.

Round 3 - HR 

(2 Questions)

  • Q1. Why should we hire you?
  • Q2. How do you handle the work?

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Newspaper Ad and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(5 Questions)

  • Q1. Wind turbines commissioning process and PLC software knowledge,wind turbines termination work
  • Q2. Converter test and DFIG working
  • Ans. 

    Converter test involves testing the performance and efficiency of a converter, while DFIG (Doubly Fed Induction Generator) is a type of generator used in wind turbines.

    • Converter test evaluates the performance of a power converter by analyzing its efficiency, power factor, and voltage regulation.

    • DFIG is a type of generator commonly used in wind turbines to convert mechanical energy into electrical energy.

    • Testing DFIG in...

  • Answered by AI
  • Q3. PLC and other wind software
  • Q4. Power cable termination
  • Q5. Grid charging process

Interview Preparation Tips

Interview preparation tips for other job seekers - You can apply on senvion official portal all details available in Google
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Release to work
  • Q2. Release to over all experience
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Aptitude Test 

Aptitiude, Reasoning , EEE basic Questions

Round 3 - Technical 

(4 Questions)

  • Q1. Electrical Transformer
  • Q2. What is Transformer
  • Ans. 

    A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Consists of two coils of wire, known as primary and secondary coils

    • Primary coil receives electrical energy and creates a magnetic field

    • Magnetic field induces a voltage in the secondary coil, transferring energy

    • Used in power distribution, voltage regulation, and electrical isolation

    • Exampl...

  • Answered by AI
  • Q3. What is mutual Induction
  • Ans. 

    Mutual induction is the process where a changing current in one coil induces a voltage in another coil.

    • Mutual induction occurs when two coils are placed close to each other and the magnetic field produced by one coil induces a voltage in the other coil.

    • The induced voltage in the second coil is directly proportional to the rate of change of current in the first coil.

    • This phenomenon is the basis for the operation of tran...

  • Answered by AI
  • Q4. What is flux, Current
  • Ans. 

    Flux is the flow of electric or magnetic field lines through a surface, while current is the flow of electric charge.

    • Flux is a measure of the flow of a physical property through a given area.

    • In electromagnetism, flux refers to the flow of electric or magnetic field lines through a surface.

    • Current is the flow of electric charge through a conductor.

    • Flux and current are related through Faraday's law of electromagnetic ind

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - No need to get tense ...easy questions

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jun 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Describe about the DTR. What are the material used in constrction of DTR Structure
  • Ans. 

    DTR stands for Dead Time Recovery. It is a structure used in the oil and gas industry to separate gas and liquid phases.

    • DTR is typically made of steel or other corrosion-resistant materials.

    • The structure is designed to handle high pressure and temperature conditions.

    • Common materials used in the construction of DTR include carbon steel, stainless steel, and duplex stainless steel.

    • The choice of material depends on factor...

  • Answered by AI
  • Q2. Descibe about Bucoz relay & Its function.
  • Ans. 

    A Bucoz relay is a type of protective relay used in power systems to detect faults and isolate them to prevent damage.

    • Bucoz relay is a type of protective relay used in power systems.

    • It functions by detecting faults in the system and isolating them to prevent damage.

    • It helps in maintaining the stability and reliability of the power system.

    • Bucoz relay operates based on the principle of electromagnetic induction.

    • Examples ...

  • Answered by AI
  • Q3. Describe about Pipe earthing of DTR
  • Ans. 

    Pipe earthing of DTR involves using a metal pipe buried in the ground to provide a low-resistance path for fault currents.

    • Metal pipe is buried vertically in the ground near the DTR

    • The pipe is filled with alternate layers of charcoal and salt to improve conductivity

    • A copper wire is connected to the pipe and then to the DTR for grounding purposes

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. What are your salary requirements.
  • Q2. Why you want join my organization

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice Company with Nice Culture
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Technical understanding
Round 3 - HR 

(1 Question)

  • Q1. Remuneration package
Round 4 - Behavioral 

(1 Question)

  • Q1. Attitude, personal behavior
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Knowledge about composite blade manufacturing
  • Q2. Knowledge about cost saving initiatives

Interview Preparation Tips

Interview preparation tips for other job seekers - Soft skills are more important
Focus on safety,quality cost aspects
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. Why do you want to work here
  • Q2. What are your future plans

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