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Power Mech Projects JN Engineer Interview Questions, Process, and Tips

Updated 13 Oct 2022

Power Mech Projects JN Engineer Interview Experiences

1 interview found

JN Engineer Interview Questions & Answers

user image Gaurav yadav

posted on 13 Oct 2022

I applied via Walk-in and was interviewed in Apr 2022. There were 3 interview rounds.

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 

(2 Questions)

  • Q1. In TRANSFORMER PROTECTION
  • Ans. 

    Transformer protection is essential to prevent damage and ensure safe operation.

    • The protection system should detect and isolate faults quickly.

    • Common protection methods include overcurrent, differential, and distance protection.

    • Proper maintenance and testing of protection equipment is crucial.

    • Examples of transformer protection devices include Buchholz relays, pressure relief devices, and temperature sensors.

  • Answered by AI
  • Q2. What is Master trip relay
  • Ans. 

    Master trip relay is a protective relay that trips all the circuit breakers in a power system in case of a fault.

    • It is used to protect the power system from damage due to faults

    • It is connected to all the circuit breakers in the system

    • It operates when a fault is detected and trips all the circuit breakers simultaneously

    • It is an important component of the protection system in power plants and substations

  • Answered by AI
Round 3 - Technical 

(3 Questions)

  • Q1. Event and DR IN SCADA OPRATION
  • Ans. 

    Event and DR are crucial in SCADA operation for ensuring system reliability and continuity.

    • Event refers to any occurrence that requires attention or action, such as a fault or alarm.

    • DR (Disaster Recovery) is a plan for restoring normal system operation in case of a catastrophic event.

    • SCADA systems rely on event and DR management to ensure uninterrupted operation and prevent downtime.

    • Examples of events in SCADA operatio...

  • Answered by AI
  • Q2. In Line protection which relay use
  • Ans. 

    Line protection relays are used for protecting transmission lines from faults.

    • Line protection relays are used to detect faults in transmission lines and isolate them from the system.

    • These relays can be of different types such as distance, differential, and directional relays.

    • Distance relays measure the impedance of the line and trip when the impedance falls below a certain threshold.

    • Differential relays compare the curr...

  • Answered by AI
  • Q3. GIS SUBSTATION SWITCHGEAR OPRATION PROCESS

Interview Preparation Tips

Interview preparation tips for other job seekers - Over all technical knowledge in operation and maintenance in this field

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. What is cement and components
  • Q2. Type of cement
  • Q3. What is concrete
  • Q4. What is Dia of rod
  • Q5. What is ratio of concrete M20

Interview Preparation Tips

Interview preparation tips for other job seekers - Site engineer quality engineer
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Motor type, Pump lowering, ESR piping etc.
  • Q2. Solar Specification
Round 2 - HR 

(2 Questions)

  • Q1. Notice period is negotiable
  • Q2. 30%hike on current ctc

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep calm, to be honest if you know about whats they ask explain them if not then leave and say sorry.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is full name of RPM.
  • Ans. 

    RPM stands for Revolutions Per Minute.

    • RPM stands for Revolutions Per Minute

    • It is a unit of rotational speed

    • Commonly used in the context of engines, motors, and other rotating machinery

  • Answered by AI
  • Q2. How many type of Motor.
  • Ans. 

    There are various types of motors including DC motors, AC motors, stepper motors, and servo motors.

    • DC motors: used in applications where speed control is important, such as in electric vehicles.

    • AC motors: commonly used in household appliances and industrial machinery.

    • Stepper motors: used in applications requiring precise position control, like 3D printers.

    • Servo motors: used in robotics and automation for accurate contr

  • Answered by AI
Round 2 - Electrical 

(2 Questions)

  • Q1. What is Earthing.
  • Ans. 

    Earthing is the process of connecting electrical systems to the ground to prevent electric shock and protect equipment.

    • Earthing provides a path for fault currents to flow safely into the ground.

    • It helps in stabilizing voltage levels and protecting against lightning strikes.

    • Earthing is essential for safety in electrical systems to prevent electric shocks.

    • Examples of earthing systems include grounding rods, grounding pla

  • Answered by AI
  • Q2. Type of Insulator
  • Ans. 

    Insulators are materials that do not conduct electricity and are used to prevent the flow of current.

    • Insulators are materials with high resistivity, such as rubber, glass, porcelain, and plastic.

    • They are used to separate conductors in electrical systems to prevent short circuits.

    • Insulators are crucial for safety in electrical installations to avoid electric shocks and fires.

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. Tell me about something you.
  • Q2. Salary expectations about current
Round 2 - Technical 

(3 Questions)

  • Q1. Mivan shuttering cycle process
  • Q2. Bar bending shedule
  • Q3. About site and general material density test. Quality testing of cement, sand, steel
Round 3 - HR 

(1 Question)

  • Q1. HR will call you within 2 days
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Brief in QMS why it is adopted
  • Ans. 

    QMS is adopted to ensure consistent quality, meet customer requirements, and improve processes.

    • Ensures consistent quality of products or services

    • Helps meet customer requirements and expectations

    • Improves processes and efficiency

    • Reduces risks and errors

    • Enhances customer satisfaction

    • Provides a framework for continuous improvement

  • Answered by AI
  • Q2. Design mix procedure
  • Ans. 

    Design mix procedure involves determining the proportions of materials to create a concrete mix with desired properties.

    • Identify the required strength and durability of the concrete

    • Select suitable materials such as cement, aggregates, and water

    • Calculate the proportions of each material based on mix design methods

    • Test the mix to ensure it meets specifications

    • Adjust the mix if necessary to achieve desired properties

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Self introduction
  • Q2. My name is Himanshu raj I from to jamui bihar I am 10th pass out in 2019 and intermediate 2021 and diploma in civil engineering processing in Centurion University of technology and management paralakhamui...
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. How to make itp
  • Ans. 

    ITP stands for Inspection and Test Plan, a document outlining the procedures and criteria for quality control in a project.

    • Define the scope and objectives of the project

    • Identify the key activities and deliverables

    • Specify the inspection and testing requirements

    • Outline the acceptance criteria

    • Assign responsibilities and timelines

    • Review and approve the ITP before implementation

  • Answered by AI
  • Q2. How to make checklist
  • Ans. 

    Checklist can be made by identifying key tasks, setting priorities, creating categories, and including necessary details.

    • Identify key tasks that need to be completed

    • Set priorities for each task

    • Create categories to organize tasks

    • Include necessary details such as deadlines, responsible parties, and resources needed

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - good interview basic question asked
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 

(4 Questions)

  • Q1. Mechanical engineering production
  • Q2. Oil and gas fertilizer devision
  • Ans. 

    Oil and gas fertilizer division involves the production and distribution of fertilizers derived from oil and gas byproducts.

    • Fertilizers are produced using byproducts from the oil and gas industry, such as natural gas liquids or sulfur.

    • The fertilizers produced can include nitrogen-based fertilizers like ammonia or urea, as well as sulfur-based fertilizers like ammonium sulfate.

    • The division may involve processes such as ...

  • Answered by AI
  • Q3. Respected sir/ma'am, I Suresh attaching my brief resume for your kind consideration in your organisation. Pls take a look and let me know if any opportunity is there with you. ...
  • Q4. Respected sir/ma'am, I Suresh attaching my brief resume for your kind consideration in your organisation. Pls take a look and let me know if any opportunity is there with you. ...
Round 3 - Group Discussion 

Previous experience and job profile and working

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Main focus on utility related questions

Power Mech Projects Interview FAQs

How many rounds are there in Power Mech Projects JN Engineer interview?
Power Mech Projects interview process usually has 3 rounds. The most common rounds in the Power Mech Projects interview process are Technical and Resume Shortlist.
What are the top questions asked in Power Mech Projects JN Engineer interview?

Some of the top questions asked at the Power Mech Projects JN Engineer interview -

  1. In Line protection which relay ...read more
  2. What is Master trip re...read more
  3. Event and DR IN SCADA OPRAT...read more

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