Knorr-Bremse Senior Design Engineer Interview Questions and Answers

Q1. What is tolerance and basic tolerance
Ans. 
Tolerance refers to the allowable deviation from a specified dimension in engineering design.
• Tolerance is the acceptable range of variation in a dimension or property of a part or product.

• Basic tolerance is the general tolerance that is applied to all dimensions unless otherwise specified.

• Tolerance helps ensure that parts fit together properly and function as intended.

• Examples of tolerance include +/- 0.1mm for a machi...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
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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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Q1. CAD test will be there and Interview questions related to interior/exterior with respect to Design rules , Homologation
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Q1. Design rules related, master section related, Homologation related
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Q1. EPLAN P8 Macro creation?
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Q2. EPLAN version and forms generation?
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EPLAN is a software used for electrical design engineering. It allows for easy generation of forms.
• EPLAN is a popular software used for electrical design engineering

• It allows for easy generation of forms such as bills of materials, wiring diagrams, and terminal diagrams

• EPLAN also has a version control system to manage changes and revisions

• The latest version of EPLAN is EPLAN Electric P8

• EPLAN also offers integration wit...read more
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Q1. Technical Interview
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Q1. Take us through your profile?
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Q1. Salary negotiation and offer?
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Q1. Seating regulations
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Q2. Safety standards
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Q1. Salary expectation
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Q2. When can you join
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Q1. Part drawing 2D or 3D
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2D is a flat picture while 3D is one that has depth.
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Q2. Sketcher 2d drawings
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First of all we sketch 2d drawings after we assembly the complete object
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Q3. Assembly all part drawing
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When 2D sketch complete, after we calling parts to make complete assembly.
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Q4. Generative Sheet metal
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Q5. Generative drafting
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