Forvia Hella Design Engineer Interview Questions and Answers

Q1. Basic theoretical Questions of B.tech which are for fresher they asked for experienced also.
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Q2. Star delta diagram Resistance circuit
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Q1. Why switching previous company
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Q1. Personal information
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Basic level

Q1. Basic engineering questions
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Q1. Drawing and CATIA related
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Q1. What are the different types of Snap fits used in plastics
Ans. 
Snap fits are used in plastics to join two parts together without the need for additional fasteners.
• Cantilever snap fit

• Annular snap fit

• Torsion snap fit

• Snap hinge

• Snap bead

• Snap tab

• Snap lock

• Snap latch

• Snap hook
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Q2. What is Remastering in plastics
Ans. 
Remastering in plastics is the process of improving the quality of recycled plastic materials.
• It involves adding new additives to the recycled plastic to enhance its properties.

• The process can also involve removing impurities and contaminants from the recycled plastic.

• Remastering helps to increase the value and usability of recycled plastic materials.

• Examples of remastered plastics include PET bottles, HDPE containers,
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Q1. Tell me about yourself
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I am a design engineer with a passion for creating innovative solutions.
• Experienced in using CAD software such as AutoCAD and SolidWorks

• Proficient in designing mechanical components and systems

• Strong problem-solving and analytical skills

• Collaborative team player with excellent communication skills

• Successfully completed projects like designing a new product for a client and improving manufacturing processes
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Q2. What are the top 5 features of CATIA?
Ans. 
CATIA is a CAD software with various features. Here are the top 5:
• Advanced surface modeling

• Assembly design and management

• Kinematics simulation

• Sheet metal design

• Generative shape design
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Q3. What is component drawing vs assembly drawing
Ans. 
Component drawing shows individual parts with dimensions and specifications, while assembly drawing shows how parts fit together to form a complete product.
• Component drawing focuses on individual parts and their specifications

• Assembly drawing shows how parts fit together to form a complete product

• Component drawing is used for manufacturing and quality control

• Assembly drawing is used for assembly instructions and mainte...read more
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Q1. What is the Plastic defect
Ans. 
Plastic defect is a flaw or imperfection in a plastic material that affects its quality and performance.
• Plastic defects can include air bubbles, warping, sink marks, flow lines, and voids.

• Air bubbles are trapped pockets of air within the plastic material.

• Warping is the deformation or twisting of the plastic material.

• Sink marks are depressions on the surface caused by uneven cooling.

• Flow lines are visible lines or strea...read more
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First round is aptitude test all type of questions asked like verbal, reasoning and Technical

Q1. Explain stress, strain curve diagram with example?
Ans. 
Stress-strain curve shows relationship between stress and strain in a material under tension.
• Stress-strain curve is a graphical representation of how a material deforms under stress.

• It typically consists of a linear elastic region, a yield point, plastic deformation, and ultimate failure.

• Example: Steel has a high yield strength, so its stress-strain curve shows a steep initial slope.

• Example: Rubber has a low yield stre...read more
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Q2. What is DOF? How many degrees of freedom from any object
Ans. 
DOF stands for Degrees of Freedom. It refers to the number of independent parameters that define the configuration of an object.
• DOF is the number of ways a rigid body can move in 3D space.

• For a rigid body in 3D space, there are 6 degrees of freedom - 3 translational and 3 rotational.

• Examples of DOF include linear motion along x, y, z axes and rotational motion around x, y, z axes.
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