Rheinmetall Automotive FEA Engineer Interview Questions and Answers

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. Explain various GD&T
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Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of features on a part.

• It uses symbols, such as concentricity, flatness, and perpendicularity, to communicate the desired tolerances.

• GD&T helps ensure that parts fit together properly and function as intended.

• Examples of GD&T symbo...read more
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Q2. Explain DFM, DFS, DFA
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DFM, DFS, and DFA stand for Design for Manufacturing, Design for Service, and Design for Assembly, respectively.
• DFM focuses on designing products that are easy and cost-effective to manufacture.

• DFS focuses on designing products that are easy to service and maintain.

• DFA focuses on designing products that are easy to assemble.

• Consideration of DFM, DFS, and DFA principles can lead to more efficient and cost-effective prod...read more
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Q1. Plastics and their uses
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Plastics are versatile materials used in various industries for their durability, flexibility, and cost-effectiveness.
• Plastics are commonly used in packaging materials such as bottles, containers, and bags.

• They are also used in construction for pipes, insulation, and flooring.

• In the automotive industry, plastics are used for interior components, bumpers, and body panels.

• Plastics are essential in electronics for casings...read more
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Written test related to casting and plastic

Q1. Related to experience
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Q1. Expectation and why you want tomove
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Q1. Product knowledge such as DIS, Circuit Integration, Process of Complete Design Cycle.
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Q1. Same sort of questions with some problems to be solved based on power supply sections, current and voltage calculation etc.
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Q1. Relocation, Salary Negotiation
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Q1. Rate yourself for power electronics circuit designing
Ans. 
I rate myself 8 out of 10 for power electronics circuit designing.
• I have extensive experience in designing power electronics circuits for various applications.

• I am proficient in using simulation tools like LTSpice and MATLAB for circuit analysis and design.

• I have designed and implemented several power electronics circuits, including DC-DC converters, inverters, and motor drives.

• I keep myself updated with the latest tre...read more
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Q2. Currently Which kind of work you are doing? Which technique you follow to solve if any problems occure in the team
Ans. 
I am currently working as a Sr. Engineer in design.
• I am responsible for designing and developing new products.

• I collaborate with cross-functional teams to gather requirements and ensure design feasibility.

• I use various techniques like brainstorming, prototyping, and simulation to solve problems.

• I encourage open communication and teamwork to address any issues that arise within the team.

• I also conduct regular design rev...read more
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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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