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Core Energy Systems Limited Interview Questions and Answers

Updated 16 Mar 2025
Popular Designations

6 Interview questions

A Planning Engineer was asked
Q. What do you mean by total float?
Ans. 

Total float is the amount of time a schedule activity can be delayed without delaying the project completion date.

  • Total float is calculated by subtracting the early start date of an activity from its late start date.

  • Activities with total float can be delayed without affecting the project's critical path.

  • Total float is also known as slack or float.

  • It helps in identifying activities that have flexibility in their st...

View all Planning Engineer interview questions
A Planning Engineer was asked
Q. What do you mean by critical path?
Ans. 

Critical path is the longest sequence of tasks in a project that must be completed on time in order for the project to finish on schedule.

  • Critical path determines the shortest possible duration for a project.

  • It helps in identifying which tasks are most crucial for the project timeline.

  • Any delay in tasks on the critical path will directly impact the project's completion date.

  • Activities on the critical path have zer...

View all Planning Engineer interview questions
An Electrical Site Engineer was asked
Q. What is cilica gel.? Cilica gel is x-mer in moisture absorbed
Ans. 

Silica gel is a desiccant that absorbs moisture to keep things dry.

  • Silica gel is a porous, granular form of silicon dioxide.

  • It is commonly used in packaging to prevent moisture damage to products.

  • It can also be found in humidifiers, dehumidifiers, and air conditioning systems.

  • Silica gel changes color as it absorbs moisture, indicating when it needs to be replaced.

  • It is non-toxic and safe to handle.

View all Electrical Site Engineer interview questions
A Planning Engineer was asked
Q. Activities having in engineering WBS
Ans. 

Activities in engineering WBS are specific tasks or work packages that need to be completed to achieve project goals.

  • Breakdown of engineering design

  • Procurement of materials

  • Construction and installation

  • Testing and commissioning

  • Documentation and handover

View all Planning Engineer interview questions
An Electrical Site Engineer was asked
Q. What is x-mer oil? X-mer oil is cooling generation of coil
Ans. 

X-mer oil is a type of cooling oil used in transformers to dissipate heat generated by the coil.

  • X-mer oil is a mineral oil with high dielectric strength and thermal conductivity.

  • It is used to cool the transformer coil and prevent overheating.

  • The oil also acts as an insulator to prevent electrical breakdown.

  • X-mer oil is typically tested for purity and quality to ensure proper functioning of the transformer.

  • Examples...

View all Electrical Site Engineer interview questions
An Electrical Site Engineer was asked
Q. What is tranformer? Transformer is a statics device and x-mer working mutual induction and x-mer voltage convert step up and step down.
Ans. 

A transformer is a static device that uses mutual induction to convert voltage levels.

  • Transformers are used to increase or decrease the voltage in electrical circuits.

  • They consist of two or more coils of wire, known as windings, that are wound around a core.

  • The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.

  • When an alternating current flows through th...

View all Electrical Site Engineer interview questions
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Core Energy Systems Limited Interview Experiences

7 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - One-on-one 

(4 Questions)

  • Q1. Introduce yourself
  • Ans. 

    I am a dedicated Planning Engineer with expertise in project management, resource allocation, and timeline optimization.

    • Educational Background: Bachelor's degree in Civil Engineering from XYZ University.

    • Professional Experience: Over 5 years of experience in planning and scheduling for construction projects.

    • Technical Skills: Proficient in software like Primavera P6 and Microsoft Project for effective project tracking.

    • Ke...

  • Answered by AI
  • Q2. What do you mean by critical path
  • Ans. 

    Critical path is the longest sequence of tasks in a project that must be completed on time in order for the project to finish on schedule.

    • Critical path determines the shortest possible duration for a project.

    • It helps in identifying which tasks are most crucial for the project timeline.

    • Any delay in tasks on the critical path will directly impact the project's completion date.

    • Activities on the critical path have zero flo...

  • Answered by AI
  • Q3. Activities having in engineering WBS
  • Ans. 

    Activities in engineering WBS are specific tasks or work packages that need to be completed to achieve project goals.

    • Breakdown of engineering design

    • Procurement of materials

    • Construction and installation

    • Testing and commissioning

    • Documentation and handover

  • Answered by AI
  • Q4. What do you mean by tota float
  • Ans. 

    Total float is the amount of time a schedule activity can be delayed without delaying the project completion date.

    • Total float is calculated by subtracting the early start date of an activity from its late start date.

    • Activities with total float can be delayed without affecting the project's critical path.

    • Total float is also known as slack or float.

    • It helps in identifying activities that have flexibility in their start a...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare according to the job requirements.
Speak clearly
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Interview Questions & Answers

user image Prakash Giri

posted on 16 Mar 2025

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

I appeared for an interview in Sep 2024, where I was asked the following questions.

  • Q1. Your passt experience ?
  • Q2. Your daily job routine ?
  • Q3. Why you would like to join CORE?

Interview Preparation Tips

Interview preparation tips for other job seekers - Grab the opportunity

Interview Questions & Answers

user image Anonymous

posted on 27 Mar 2023

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

I applied via Indeed and was interviewed in Feb 2023. There were 3 interview rounds.

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 - HR 

(1 Question)

  • Q1. General Work Profile.
Round 3 - Technical 

(1 Question)

  • Q1. ISO 9001, ISO 14001, ISO 45001, HRA, Aspect Impact Study.

Interview Preparation Tips

Interview preparation tips for other job seekers - Get Prepared before going for the interview. Don’t take things casual in the competitive world.
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. What is tranformer? Transformer is a statics device and x-mer working mutual induction and x-mer voltage convert step up and step down.
  • Ans. 

    A transformer is a static device that uses mutual induction to convert voltage levels.

    • Transformers are used to increase or decrease the voltage in electrical circuits.

    • They consist of two or more coils of wire, known as windings, that are wound around a core.

    • The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.

    • When an alternating current flows through the pri...

  • Answered by AI
  • Q2. What is cilica gel.? Cilica gel is x-mer in moisture absorbed
  • Ans. 

    Silica gel is a desiccant that absorbs moisture to keep things dry.

    • Silica gel is a porous, granular form of silicon dioxide.

    • It is commonly used in packaging to prevent moisture damage to products.

    • It can also be found in humidifiers, dehumidifiers, and air conditioning systems.

    • Silica gel changes color as it absorbs moisture, indicating when it needs to be replaced.

    • It is non-toxic and safe to handle.

  • Answered by AI
  • Q3. What is x-mer oil? X-mer oil is cooling generation of coil
  • Ans. 

    X-mer oil is a type of cooling oil used in transformers to dissipate heat generated by the coil.

    • X-mer oil is a mineral oil with high dielectric strength and thermal conductivity.

    • It is used to cool the transformer coil and prevent overheating.

    • The oil also acts as an insulator to prevent electrical breakdown.

    • X-mer oil is typically tested for purity and quality to ensure proper functioning of the transformer.

    • Examples of X...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Dear sir enclosed herewith the myself cv for your kind perusal regard

Interview Questions & Answers

user image Anonymous

posted on 18 Oct 2022

I applied via Recruitment Consulltant and was interviewed in Apr 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Steel Pipe Line and site visit
  • Q2. Clearance, Greading and Lowering

Interview Preparation Tips

Topics to prepare for Core Energy Systems Limited interview:
  • CGD
Interview preparation tips for other job seekers - Traveling, Hike salary, Safety and Day Shift Duty.

I applied via Company Website and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. My job related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Very difficult question

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic Question related to Project based Question VFD, COMPRESSOR, PUMP ETC

Interview Preparation Tips

Interview preparation tips for other job seekers - Basic Question and Company Project/aim should properly studied

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Interview Hub
1w (edited)
anshitanegi
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Planet Spark
When HR’s Chinese English made me drop the interview!
So, I talked to the HR yesterday about the interview. I asked Please send me the location But their English… bro I was shocked! It was like talking to someone jisne english nahi kuch ar hi seekh liya ho, if the HR’s English is this I can only imagine the rest of the company I decided to drop the interview with this chinese english😶‍🌫️
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I applied via Campus Placement and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

5 Questions

  • Q1. About my Final project
  • Q2. About my Ncc
  • Q3. About my skills
  • Q4. About my hobbies
  • Q5. About myself

Interview Preparation Tips

Interview preparation tips for other job seekers - Good to crack interview always confidence showcase each and everything in you

I applied via Naukri.com and was interviewed in Jan 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. 1. Work experience in previous organization
  • Ans. 

    Worked as a software engineer for 3 years at XYZ Company, specializing in front-end development.

    • Developed and maintained front-end features for web applications

    • Collaborated with cross-functional teams to deliver projects on time

    • Participated in code reviews and provided feedback for improvements

  • Answered by AI
  • Q2. 2. Practical example of how did you use STL in previous work experience
  • Ans. 

    Utilized STL in previous work experience for efficient data manipulation and storage

    • Used vector to store and manipulate dynamic arrays of data

    • Utilized map for efficient key-value pair storage and retrieval

    • Implemented algorithms from the algorithm library for sorting and searching data

  • Answered by AI
  • Q3. 3. Practical example of how did you use OOPS in previous work experience
  • Ans. 

    Used OOPS principles to design and implement a modular system for managing user data

    • Created classes for User, Admin, and Moderator with inheritance and polymorphism

    • Implemented encapsulation by restricting access to certain data fields through getters and setters

    • Utilized abstraction to hide complex implementation details from other parts of the system

    • Implemented interfaces for different user roles to ensure consistent b...

  • Answered by AI
  • Q4. 4. Practical example of how did you use Multithreading in previous work experience
  • Ans. 

    Implemented multithreading in a web scraping project to improve performance and efficiency.

    • Used multithreading to scrape data from multiple websites simultaneously

    • Implemented thread pooling to manage and reuse threads efficiently

    • Utilized synchronization techniques to prevent data corruption and ensure thread safety

  • Answered by AI
  • Q5. 5. All other questions were to check GK of software engineering like Can Java program have memory leaks? What do you prefer efficiency or performance etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and only answer things that you know. If you are not aware of a particular topic just be honest and let them know. Even if you are not technically sound but show a good potential to learn and obey they may hire you.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Current profile ??
  • Q2. Expected salary??
Round 2 - Technical 

(2 Questions)

  • Q1. What is Value stream mapping,5S ??
  • Ans. 

    Value stream mapping is a lean management tool used to visualize and analyze the steps involved in delivering a product or service. 5S is a methodology for organizing a workplace for efficiency and effectiveness.

    • Value stream mapping helps identify waste and opportunities for improvement in a process.

    • It involves creating a visual representation of the flow of materials and information from supplier to customer.

    • 5S stands...

  • Answered by AI
  • Q2. What is Total productive maintenance??

Core Energy Systems Limited Interview FAQs

How many rounds are there in Core Energy Systems Limited interview?
Core Energy Systems Limited interview process usually has 2 rounds. The most common rounds in the Core Energy Systems Limited interview process are Resume Shortlist, Technical and HR.
How to prepare for Core Energy Systems Limited interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Core Energy Systems Limited. The most common topics and skills that interviewers at Core Energy Systems Limited expect are Project Management, Tendering, Business Development, Compressors and Procurement.
What are the top questions asked in Core Energy Systems Limited interview?

Some of the top questions asked at the Core Energy Systems Limited interview -

  1. What is tranformer? Transformer is a statics device and x-mer working mutual in...read more
  2. What is cilica gel.? Cilica gel is x-mer in moisture absor...read more
  3. What is x-mer oil? X-mer oil is cooling generation of c...read more

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Overall Interview Experience Rating

4.2/5

based on 6 interview experiences

Difficulty level

Easy 33%
Moderate 67%

Duration

2-4 weeks 100%
View more
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Core Energy Systems Limited Reviews and Ratings

based on 90 reviews

3.8/5

Rating in categories

3.7

Skill development

3.5

Work-life balance

3.6

Salary

3.6

Job security

3.5

Company culture

3.3

Promotions

3.5

Work satisfaction

Explore 90 Reviews and Ratings
Assistant/Deputy Manager

Thane,

Navi Mumbai

+1

8-12 Yrs

₹ 0.5-0.7 LPA

Senior Engineer - Design & Engineering (Mechanical)

Thane,

Navi Mumbai

4-6 Yrs

Not Disclosed

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