Magneti Marelli Motherson Auto System Diploma Trainee Engineer Interview Questions and Answers

Q1. Depends on experience
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Q2. Related to systematic approach
Ans. Problem solving tools, OEE, FPY, Root cause analysis. 14Q, 5S
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Q1. Basic ectronic related questions Family background Current transformer Potential transformer
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Q2. Basic fundamentals Working principle of Induction motor
Ans. 
Induction motor works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
• Induction motor has a stator and a rotor

• Stator has a set of coils that are supplied with AC current

• This creates a rotating magnetic field which induces current in the rotor

• The rotor then starts rotating due to interaction with the magnetic field

• Induction motor is widely used in industries for various
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Which Casting method in manufacturing process

Q1. Manufacturing processes
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Design, GD&T, Physics, Mathematics, CNC, QC.

Q1. Gear ratio of multiple transmissions
Ans. 
Gear ratio of multiple transmissions is the product of individual gear ratios.
• Gear ratio is the ratio of the number of teeth on the driven gear to the number of teeth on the driving gear.

• In multiple transmissions, the output of one transmission becomes the input of the next transmission.

• The gear ratio of multiple transmissions is the product of individual gear ratios.

• For example, if the first transmission has a gear ra...read more
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Q2. Reasons behind multiple gear ratios
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Multiple gear ratios allow for efficient power transfer and improved performance in different driving conditions.
• Different gear ratios are needed for different driving conditions, such as acceleration, cruising, and climbing hills.

• Lower gear ratios provide more torque for acceleration and climbing hills, while higher gear ratios provide better fuel efficiency during cruising.

• Multiple gear ratios allow for a wider range...read more
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Q3. Thread designing and their strength
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Thread designing involves determining the size, pitch, and shape of the thread to ensure proper strength and functionality.
• Thread size and pitch must be chosen based on the application and load requirements.

• Thread shape can affect the strength and ease of assembly.

• Thread strength can be increased through the use of materials with higher tensile strength.

• Thread engagement length should be sufficient to prevent stripping...read more
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Q4. Forging related knowledge
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Q5. Quality control systems
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General question asked

Q1. About yourseLd, hookes law thermodynamics process haighs law
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