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Eon Electric NPD Engineer Interview Questions and Answers

Updated 18 Nov 2022

Eon Electric NPD Engineer Interview Experiences

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NPD Engineer Interview Questions & Answers

user image Anonymous

posted on 18 Nov 2022

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 - One-on-one 

(2 Questions)

  • Q1. Modes of thermal heat transfer
  • Ans. 

    Modes of thermal heat transfer include conduction, convection, and radiation.

    • Conduction is the transfer of heat through a material without any movement of the material itself.

    • Convection is the transfer of heat through the movement of fluids or gases.

    • Radiation is the transfer of heat through electromagnetic waves.

    • Examples include a metal spoon heating up in a hot cup of coffee (conduction), a fan blowing hot air around ...

  • Answered by AI
  • Q2. Tell about yourself?

Interview Preparation Tips

Interview preparation tips for other job seekers - During iv be honest & confident , justify what's in resume

Interview questions from similar companies

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

Traction Motor design, Outline drawings making, fixture making etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Not good company for experience peoples.
Long duty hours and not given proper job position.
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Apr 2023. 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 

(4 Questions)

  • Q1. Plastic shrinkage?
  • Q2. How many types of plastic material category?
  • Ans. 

    There are seven main categories of plastic materials.

    • Thermoplastics

    • Thermosets

    • Elastomers

    • Composites

    • Biodegradable plastics

    • Engineering plastics

    • High-performance plastics

  • Answered by AI
  • Q3. Plastic rib thickness standard?
  • Ans. 

    Plastic rib thickness standard varies depending on the application and material used.

    • Plastic rib thickness is typically between 0.5mm to 5mm.

    • Thicker ribs provide more strength but may increase material usage and cost.

    • Thinner ribs are more cost-effective but may be prone to warping or breaking.

    • Consider the material properties and intended use when determining rib thickness.

    • Consult industry standards and guidelines for s

  • Answered by AI
  • Q4. How many types of defects in plastic?
  • Ans. 

    There are three main types of defects in plastic: surface defects, physical defects, and chemical defects.

    • Surface defects include scratches, sink marks, and flow marks.

    • Physical defects include bubbles, voids, and warping.

    • Chemical defects include discoloration, degradation, and contamination.

  • Answered by AI
Round 3 - Technical 

(7 Questions)

  • Q1. Diff b/w hot runner & cold runner?
  • Q2. How to prevent plastic defects?
  • Ans. 

    Preventing plastic defects involves proper material selection, design optimization, and quality control measures.

    • Selecting the right type of plastic for the application

    • Optimizing the design to minimize stress concentrations

    • Implementing proper molding techniques and parameters

    • Conducting thorough quality control inspections

    • Training staff on proper handling and storage of plastic materials

  • Answered by AI
  • Q3. No. of tonnage molding machine you are used?
  • Ans. 

    I have experience working with various tonnage molding machines, including 50-ton, 100-ton, and 200-ton machines.

    • 50-ton molding machine

    • 100-ton molding machine

    • 200-ton molding machine

  • Answered by AI
  • Q4. What is draft angle in plastic?
  • Ans. 

    Draft angle in plastic is the degree of taper or slope applied to the vertical walls of a plastic part to facilitate its ejection from the mold.

    • Draft angles are typically recommended to be between 1-3 degrees for most plastic parts

    • Draft angles help prevent the part from getting stuck in the mold during ejection

    • Examples of draft angles include adding a slight taper to the sides of a plastic cup or the walls of a plastic

  • Answered by AI
  • Q5. What is parametric modelling?
  • Ans. 

    Parametric modelling is a design approach where the model is defined by a set of parameters and rules that govern its shape and size.

    • Uses parameters to define the shape and size of the model

    • Allows for easy modification of the design by changing parameters

    • Enables creation of complex designs with interconnected features

    • Commonly used in CAD software like SolidWorks and Autodesk Inventor

  • Answered by AI
  • Q6. How to solve plastic defects issue in plastic?
  • Ans. 

    Plastic defects can be solved by identifying root causes, adjusting processing parameters, using quality materials, and implementing proper maintenance.

    • Identify root causes of defects such as improper molding conditions or poor material quality

    • Adjust processing parameters like temperature, pressure, and cooling rate to optimize production

    • Use high-quality materials to ensure consistency and durability of the final produ...

  • Answered by AI
  • Q7. Cad test on NX Software 2306 version? Plastic parts devlop in cad softwares?
  • Ans. 

    Yes, CAD tests can be conducted on NX Software 2306 version. Plastic parts can be developed in CAD software.

    • CAD tests can be performed on NX Software 2306 version to ensure compatibility and functionality.

    • CAD software allows for the design and development of plastic parts with precision and accuracy.

    • Features like 3D modeling, simulation, and analysis tools in CAD software aid in the development of plastic parts.

    • Example...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Havells Design Engineer interview:
  • Product Design
  • Injection Moulding
  • UG NX
Interview preparation tips for other job seekers - Read plastic related topics?

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - HR 

(5 Questions)

  • Q1. Conducting Material varieties
  • Q2. Difference between copper busbar and aluminum bar
  • Ans. 

    Copper busbars have higher conductivity and better resistance to corrosion compared to aluminum bars.

    • Copper busbars have higher conductivity than aluminum bars.

    • Copper busbars have better resistance to corrosion compared to aluminum bars.

    • Aluminum bars are lighter and cheaper than copper busbars.

    • Aluminum bars are more prone to oxidation compared to copper busbars.

  • Answered by AI
  • Q3. Methods of Heat transfer
  • Ans. 

    Heat transfer methods include conduction, convection, and radiation.

    • Conduction: Heat transfer through direct contact between materials (e.g. touching a hot pan)

    • Convection: Heat transfer through the movement of fluids (e.g. boiling water)

    • Radiation: Heat transfer through electromagnetic waves (e.g. feeling the warmth of the sun)

  • Answered by AI
  • Q4. Tolerance stack
  • Q5. Types of Material and Various plastic
  • Ans. 

    Various types of materials and plastics used in engineering applications.

    • Common types of materials include metals, polymers, ceramics, and composites

    • Plastics are a type of polymer that can be categorized as thermoplastics or thermosets

    • Examples of plastics include polyethylene, polystyrene, PVC, and ABS

    • Materials selection is crucial in engineering design to ensure desired properties and performance

  • Answered by AI
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 - Aptitude Test 

Quantitative and qualitative reasoning, electrical and electronics basics

Round 3 - Technical 

(2 Questions)

  • Q1. Projects based , basic electronics concepts
  • Q2. Embedded projects related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare resume well . Go through your projects properly. Revise foundational concepts
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Not very easy nor hard

Round 2 - Technical 

(3 Questions)

  • Q1. 1st angle 3rd angle drawing difference
  • Ans. 

    1st angle and 3rd angle drawings are two different methods of representing a 3D object on a 2D plane.

    • 1st angle projection is commonly used in Europe and Asia, where the object is imagined to be in the first quadrant, while 3rd angle projection is commonly used in North America, where the object is imagined to be in the third quadrant.

    • In 1st angle projection, the top view is placed below the front view, while in 3rd ang...

  • Answered by AI
  • Q2. Different symbols of drawing
  • Ans. 

    Different symbols used in engineering drawings represent various elements and features.

    • Symbols for dimensions (e.g. diameter, length)

    • Symbols for surface finish (e.g. roughness)

    • Symbols for welding (e.g. fillet weld)

    • Symbols for electrical components (e.g. resistor)

    • Symbols for mechanical components (e.g. gear)

  • Answered by AI
  • Q3. Cpm pert related

Interview Preparation Tips

Interview preparation tips for other job seekers - Basics of engineering drawing is needed also having knowledge in software 3d 2d
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jun 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic Mechanical Questions
  • Q2. Motor Drives , magnetron

Interview Preparation Tips

Interview preparation tips for other job seekers - Be true and confident
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Apr 2022. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude test for any bachelor's or master's student

Round 2 - Technical 

(3 Questions)

  • Q1. 1. Basic questions about HVAC
  • Q2. 2. Basic questions about design in general
  • Q3. 3. Basic questions about plastic design and software test (UG NX)

Interview Preparation Tips

Interview preparation tips for other job seekers - Great for freshers.
Would learn alot about plastic design.
Would learn alot about HVAC cycle

Interview Questionnaire 

2 Questions

  • Q1. Why should we select u.... How r u better than others.
  • Ans. 

    I have the necessary skills, experience, and passion to excel in this role.

    • I have a strong background in design engineering with a proven track record of success.

    • I am highly skilled in using various design software and tools.

    • I am a quick learner and can adapt to new technologies and processes easily.

    • I am a team player and can work collaboratively with others to achieve common goals.

    • I am passionate about design engineer...

  • Answered by AI
  • Q2. Simple basic technical questions...

Interview Preparation Tips

Round: HR Interview
Tips: Be confident... Never lie @ personal interview.

Round: Technical Interview
Tips: Study atleast 2 subjects thoroughly....

Skill Tips: Keep smiling... 
Keep in mind that u r better than the rest
Skills: Confidence
College Name: NIT BHOPAL

Eon Electric Interview FAQs

How many rounds are there in Eon Electric NPD Engineer interview?
Eon Electric interview process usually has 2 rounds. The most common rounds in the Eon Electric interview process are Resume Shortlist and One-on-one Round.

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