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Havells Design Engineer Interview Questions and Answers
10 Interview questions
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 ...
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
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
There are seven main categories of plastic materials.
Thermoplastics
Thermosets
Elastomers
Composites
Biodegradable plastics
Engineering plastics
High-performance plastics
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
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 ...
Havells HR Interview Questions
Plastic shrinkage refers to the reduction in volume of plastic materials as they cool and solidify after molding.
Occurs during cooling: As plastic cools, it contracts, leading to shrinkage.
Material dependency: Different plastics have varying shrinkage rates; for example, ABS shrinks more than polycarbonate.
Molding process impact: Injection molding parameters like temperature and pressure can influence shrinkage.
De...
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.
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 pl...
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.
Ex...
Havells Design Engineer Interview Experiences
2 interviews found
I applied via Recruitment Consulltant and was interviewed in Apr 2023. There were 3 interview rounds.
(4 Questions)
- Q1. Plastic shrinkage?
- Q2. How many types of plastic material category?
- 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...
- Q4. How many types of defects in plastic?
(7 Questions)
- Q1. Diff b/w hot runner & cold runner?
- Q2. How to prevent plastic defects?
- 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
- Q4. What is draft angle in plastic?
- 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
- Q6. How to solve plastic defects issue in plastic?
- 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...
Interview Preparation Tips
- Product Design
- Injection Moulding
- UG NX
Skills evaluated in this interview
Mansi Shekhawat
Quantitative and qualitative reasoning, electrical and electronics basics
(2 Questions)
- Q1. Projects based , basic electronics concepts
- Q2. Embedded projects related questions
Interview Preparation Tips
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- Q1. All the questions were related to job profile.
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I applied via Company Website and was interviewed in Jul 2021. There were 3 interview rounds.
(1 Question)
- Q1. Tell me about yourself.
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Selected
(2 Questions)
- Q1. Work experience?
- Q2. Educational and work details details?
(2 Questions)
- Q1. Civil engineering related questions
- Q2. Assignment for costing and Estimation
- Ans.
Costing and estimation assignment for Senior Engineer position
Understand the scope of the project and gather all relevant information
Break down the project into smaller tasks and estimate the time and cost for each task
Consider factors such as materials, labor, equipment, and overhead costs
Use historical data or industry benchmarks to validate your estimates
Provide a detailed cost breakdown and justification for your e...
Computer software skills
Estimation & costing related work
(2 Questions)
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GANDU VENKATESWARA RAO
posted on 5 Nov 2023
Selected
I applied via Naukri.com and was interviewed in May 2023. There were 3 interview rounds.
(1 Question)
- Q1. Transformers Installation
(1 Question)
- Q1. Eelctrical Testing for equiomemt
- Ans.
Electrical testing for equipment involves verifying functionality and safety through various tests.
Perform insulation resistance tests to check for any leakage currents
Conduct continuity tests to ensure proper electrical connections
Verify voltage and current ratings are within acceptable limits
Test for proper grounding to prevent electrical hazards
Use specialized equipment like multimeters and insulation testers
Documen...
Interview Preparation Tips
Arvind Maurya
(1 Question)
- Q1. Previous project cost and scope
- Ans.
Led a project with a budget of $500K, focusing on developing a scalable web application for e-commerce.
Budget: $500,000 allocated for development, testing, and deployment.
Scope included designing a user-friendly interface and backend integration.
Implemented features like real-time inventory tracking and payment processing.
Team size: 8 engineers, including front-end and back-end developers.
Timeline: 6 months from initia...
(2 Questions)
- Q1. Cable type and current carrying capacity and also methode of Laying
- Ans.
Different cable types have varying current carrying capacities and methods of laying, impacting overall electrical system performance.
Different cable types such as PVC, XLPE, and rubber have different current carrying capacities.
Current carrying capacity is influenced by factors like conductor size, insulation material, and ambient temperature.
Methods of laying cables include direct burial, conduit installation, and ov...
- Q2. Xlpe cable are used in ug cable and cable capacity can be varry as per size of cable
(3 Questions)
- Q1. Basic knowledge
- Q2. Switchgear knowledge
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Anonymous
posted on 23 Sep 2022
I applied via Walk-in
(2 Questions)
- Q1. GD&T QUESTION? Technical question?
- Q2. GD&T- Geometric dimensioning & Tolerancing
Interview Preparation Tips
Good knowledge of practical.
Confidence will add advantage.
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based on 15 reviews
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339
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| ₹17 L/yr - ₹30 L/yr |
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