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Dr Lal PathLabs Interview Questions and Answers

Updated 25 Nov 2024
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Q1. What is RPN? How its calculated.

Ans.

RPN stands for Risk Priority Number. It is a numerical value used in risk assessment to prioritize potential failures.

  • RPN is calculated by multiplying three factors: Severity, Occurrence, and Detection.

  • Severity represents the potential impact of a failure on the system or process.

  • Occurrence represents the likelihood of the failure occurring.

  • Detection represents the ability to detect the failure before it causes harm.

  • The formula to calculate RPN is: RPN = Severity × Occurrence...read more

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Q2. What is Bill of Materials ?

Ans.

Bill of Materials is a comprehensive list of raw materials, components, and assemblies required to manufacture a product.

  • It includes information about the quantity, part number, and description of each item.

  • It helps in planning and managing the production process.

  • It is used in inventory management and cost estimation.

  • Example: A bill of materials for a bicycle would include the frame, wheels, pedals, brakes, etc.

  • Example: A bill of materials for a computer would include the mot...read more

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Q3. Explain 5S and Lean Manufacturing

Ans.

5S is a methodology for organizing and maintaining a clean, efficient, and safe work environment. Lean Manufacturing is a systematic approach to eliminating waste and improving efficiency.

  • 5S focuses on five principles: Sort, Set in Order, Shine, Standardize, and Sustain.

  • Sort involves removing unnecessary items from the workplace.

  • Set in Order involves organizing and arranging necessary items in a logical and efficient manner.

  • Shine involves cleaning and maintaining the workplac...read more

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Q4. Poke Yoke explain.

Ans.

Poka Yoke is a technique used in manufacturing to prevent errors or mistakes from occurring.

  • Poka Yoke is a Japanese term that translates to 'mistake-proofing' or 'error-proofing'.

  • It involves designing processes or systems in a way that makes it impossible or difficult for errors to occur.

  • Poka Yoke techniques can include using sensors, guides, or visual cues to prevent or detect errors.

  • Examples of Poka Yoke include using different-shaped connectors to prevent incorrect connect...read more

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Q5. GD&T Explain Briefly.

Ans.

GD&T stands for Geometric Dimensioning and Tolerancing. It is a system used to define and communicate engineering tolerances.

  • GD&T is a symbolic language used to specify the dimensions, form, orientation, and location of features on a part.

  • It ensures that parts are manufactured within acceptable limits and that they fit and function properly.

  • GD&T uses symbols, such as concentricity, perpendicularity, and position, to convey specific requirements.

  • It provides a clear and standar...read more

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Q6. Experience in troubleshooting electromechanical systems

Ans.

I have extensive experience troubleshooting electromechanical systems in various manufacturing environments.

  • Identifying root causes of issues in electromechanical systems

  • Utilizing diagnostic tools and equipment to pinpoint problems

  • Developing and implementing solutions to resolve issues

  • Collaborating with cross-functional teams to troubleshoot complex systems

  • Documenting troubleshooting processes and outcomes for future reference

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Q7. Experience in semiconductor industry

Ans.

I have 5 years of experience in the semiconductor industry working on process optimization and equipment maintenance.

  • Worked on process optimization to improve yield and efficiency

  • Experience in equipment maintenance and troubleshooting

  • Familiar with cleanroom protocols and safety procedures

  • Collaborated with cross-functional teams to implement new technologies

  • Knowledge of semiconductor manufacturing standards and practices

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