Cyient Design Engineer Interview Questions and Answers

Medium to tough level

Q1. General mechanical engineering
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Q2. Design engineering related subjects
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Q3. Strength of materials machine
Ans. 
Strength of materials machine is used to test the mechanical properties of materials.
• Strength of materials machine is used to measure the strength, stiffness, and other mechanical properties of materials.

• It applies forces or loads to the material specimen and measures the resulting deformation or response.

• The machine can be used to determine the tensile strength, compressive strength, flexural strength, and fatigue str...read more
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Q1. Normal HR questions
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Q1. Plastic defects?
Ans. Sink Marks Burn Marks Weld Lines Warpage Short Filling Flashes Air Bubbles Shrinkage
Answered by KUNAL CHOUDHARY
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Q2. Plastic products design consideration?
Ans. 
Considerations for designing plastic products include material selection, manufacturing process, structural integrity, aesthetics, and functionality.
• Material selection is crucial for desired properties like strength, flexibility, and durability.

• Manufacturing process should be compatible with the chosen plastic material.

• Structural integrity must be ensured to withstand intended use and environmental conditions.

• Aesthetic...read more
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Q3. Types of plastic
Ans. 
There are various types of plastics, each with unique properties and uses.
• Common types include PET, PVC, HDPE, LDPE, PP, PS, and ABS

• Plastics can be categorized as thermosetting or thermoplastic

• Each type of plastic has different characteristics such as flexibility, strength, and heat resistance
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Q4. How to Control plastic defects?
Ans. 
Plastic defects can be controlled through proper material selection, process optimization, and quality control measures.
• Selecting the right type of plastic material for the specific application can help prevent defects.

• Optimizing the manufacturing process parameters such as temperature, pressure, and cooling time can reduce defects.

• Implementing quality control measures like regular inspections and testing can help iden...read more
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Q5. Choosing of plastic material consideration?
Ans. 
Plastic material selection is crucial for design engineers due to factors like mechanical properties, cost, environmental impact, and manufacturability.
• Consider mechanical properties such as strength, stiffness, impact resistance, and temperature resistance.

• Evaluate cost factors including material cost, processing cost, and tooling cost.

• Assess environmental impact by looking at recyclability, biodegradability, and sust...read more
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Q1. Create a 3d model?
Ans. 
I would create a 3D model using CAD software to visually represent a design concept or product.
• Start by sketching out the design concept on paper

• Use CAD software like SolidWorks or AutoCAD to create the 3D model

• Add dimensions, materials, and textures to the model for accuracy

• Review and refine the model based on feedback

• Export the model in a file format suitable for presentation or manufacturing, such as STL or STEP
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Refer agrawal book for aptitude

Q1. Sfd & bmd questions
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Q2. Low fatigue example
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Low fatigue example in design engineering
• Using materials with high fatigue strength

• Designing components with smooth transitions to reduce stress concentrations

• Implementing proper surface treatments to improve fatigue resistance
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Q3. Basic thermodynics
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Q1. Tell me about yourself
Ans. 
I am a passionate Design Engineer with a strong background in mechanical design and a keen interest in innovative solutions.
• Graduated with a degree in Mechanical Engineering from XYZ University, where I developed a solid foundation in design principles.

• Worked at ABC Company, where I led a team to redesign a product that improved efficiency by 30%.

• Proficient in CAD software like SolidWorks and AutoCAD, having completed ...read more
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Q1. Parametric and non parametric modelling differences.
Ans. 
Parametric modelling uses parameters to define geometry, while non-parametric modelling does not rely on parameters.
• Parametric modelling allows for easy editing and updating of designs by changing parameters.

• Non-parametric modelling is more flexible and allows for more artistic freedom in design.

• Parametric modelling is commonly used in CAD software like SolidWorks, while non-parametric modelling is often used in sculpt...read more
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Q1. Asked regarding my previous experience and based on that interview also they ask questions re. creo windchill and creo view as it is required if you are going to support the client who uses these software...read more
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Q1. It is more related to your salary in cyient everything depends on your technical and cad test
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In that test aptitude like ratios, percentages, Profit and loss, and logical verbal and reasonings. Some Mechanical engineering fundamentals also asked

Q1. All mechanical engineering fundamentals
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Q2. Plastic Design, gd&t
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