Alstom Transportation Electromechanical Engineer Interview Questions and Answers

Q1. Regarding questions about my nx experience & BIW Experience.
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Q1. What is Side member & cross member in BIW?
Ans. 
Side member & cross member are structural components in a car's Body in White (BIW) that provide strength and support to the vehicle.
• Side member: Longitudinal structural component that runs along the sides of the vehicle, providing support and rigidity.

• Cross member: Horizontal structural component that connects the side members, adding strength and stability to the vehicle.

• Examples: Side members can be found on the sid...read more
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Q2. What is Annotations, PMI & GD& T?
Ans. 
Annotations, PMI & GD&T are tools used in engineering to communicate design and manufacturing requirements.
• Annotations are notes or labels added to a drawing to provide additional information.

• PMI (Product Manufacturing Information) includes dimensions, tolerances, materials, and other specifications needed for manufacturing.

• GD&T (Geometric Dimensioning and Tolerancing) is a system for defining and communicating enginee...read more
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Q3. How to decide Bead & dart in member of BIW?
Ans. 
Beads and darts are decided based on design requirements, manufacturing constraints, and structural considerations in BIW members.
• Consider design requirements such as stiffness, strength, and crashworthiness.

• Take into account manufacturing constraints like tooling limitations and cost.

• Evaluate structural considerations such as load distribution and stress concentrations.

• Use simulation software to optimize bead and dart...read more
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Q4. Which method are used for making biw?
Ans. 
Various methods are used for making BIW (Body in White) including hydroforming, stamping, welding, and bonding.
• Hydroforming: shaping metal using fluid pressure

• Stamping: pressing metal into a desired shape

• Welding: joining metal pieces together using heat

• Bonding: using adhesives to attach metal components
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Q5. Diff b/w Hydroforming & forming?
Ans. 
Hydroforming uses fluid pressure to shape metal while forming uses mechanical force.
• Hydroforming uses fluid pressure to shape metal while forming uses mechanical force

• Hydroforming allows for complex shapes with uniform wall thickness, while forming may result in uneven thickness

• Hydroforming is more cost-effective for large production runs, while forming is better for smaller quantities

• Examples of hydroforming include a...read more
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Q6. What is GD& T & how it practical use it?
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is used to specify the allowable variations in form, size, and orientation of part features.

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

• GD&T uses symbols, such as position, concentricity, and flatness, to communicate tolerance requirements.

• It is commonly used in...read more
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Q7. What is Benchmarking & Master section?
Ans. 
Benchmarking is the process of comparing one's business processes and performance metrics to industry bests or best practices from other companies.
• Benchmarking helps identify areas for improvement and opportunities for innovation.

• It involves analyzing data and metrics to understand how well a company is performing compared to others in the industry.

• Master section refers to a standardized set of criteria or best practic...read more
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Q8. What is LMC & MMC? Least Material Condition & Max Material Condition
Ans. 
LMC & MMC refer to the conditions in which a part has the least or maximum amount of material respectively.
• LMC is the condition where a part has the least amount of material, ensuring the smallest size of the feature.

• MMC is the condition where a part has the maximum amount of material, ensuring the largest size of the feature.

• These conditions are important in engineering design to ensure proper fit and function of part...read more
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Q9. How to decide Sheet metal thickness considerations?
Ans. 
Sheet metal thickness is decided based on factors like material type, part geometry, function, and cost.
• Consider material type and its properties (e.g. strength, ductility)

• Analyze part geometry and required structural integrity

• Evaluate function of the part and potential stresses it will endure

• Factor in cost implications of different thickness options

• Consult industry standards and guidelines for recommended thickness ra
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Questions related to Core subjects

Q1. Diodes Transistors and digital circuits
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Q2. Star delta circuits symbols
Ans. 
Star delta circuits symbols represent the connections used in motor control circuits.
• Star symbol (Y) represents the connection of three windings in a star configuration

• Delta symbol (Δ) represents the connection of three windings in a delta configuration

• The star-delta starter is a common application of these symbols in motor control circuits
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Q1. Work life balance
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Q2. Shifts workings choice ?
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Q1. Introducing and personality
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Technical questions about the Revit and MEP

Q1. Basic Technical Questions
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Q1. Salary Discussion
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QA Reasoning English

Q1. Qualification specific questions
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Good test. You need to do a good preparation to crack that.

Q1. Technical round was a deatiled round. power system was the core.
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Q2. Basic or Power System
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At first check working system.

Discuse for our's work details.

Q1. What is your 1st priority for work location?
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Q2. What type of your manpower handling system?
Ans. 
Our manpower handling system is a combination of automated and manual processes.
• We use automated systems for tasks such as scheduling and tracking employee hours.

• For more complex tasks, we rely on our experienced team of supervisors and managers.

• We prioritize safety and efficiency in all aspects of our manpower handling system.

• Regular training and development programs ensure that our team is up-to-date with the latest
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Q3. Next question work purpose.
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Q4. Next question personal details.
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Q1. Sheet metal limitations.
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Q2. Switchgear technical questions
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Q3. Previously company experience
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