Bosch Design Engineer Interview Questions and Answers

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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