Quality Laboratory Incharge

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Quality Laboratory Incharge Interview Questions and Answers

Updated 23 Sep 2023

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Q1. Why Potassium Dichromate(K2Cr2O7) is a primary Standard?

Ans.

Potassium Dichromate is a primary standard due to its high purity, stability, and ability to be accurately weighed.

  • Potassium Dichromate has a high molar mass and is stable in air, making it a reliable substance for standardization.

  • It can be accurately weighed and dissolved in water to form a solution of known concentration.

  • It is also highly soluble in water, allowing for precise dilution.

  • Potassium Dichromate is used as a primary standard in the calibration of analytical instr...read more

Q2. Why potassium permanganate is not a primary standard?

Ans.

Potassium permanganate is not a primary standard due to its instability and tendency to react with impurities.

  • Potassium permanganate is highly reactive and can easily react with impurities in the air or solution, leading to inaccurate results.

  • It is also unstable and can decompose over time, making it difficult to maintain a consistent concentration.

  • Primary standards are highly pure and stable substances that can be accurately weighed and dissolved to prepare a standard soluti...read more

Q3. What is the process of fibre to garment?

Ans.

The process of fibre to garment involves several steps including fibre cultivation, spinning, weaving/knitting, dyeing, printing, and garment construction.

  • Fibre cultivation: Growing and harvesting fibres such as cotton, wool, or silk.

  • Spinning: Converting fibres into yarn or thread.

  • Weaving/knitting: Interlacing yarns to create fabric.

  • Dyeing: Adding color to the fabric.

  • Printing: Applying designs or patterns onto the fabric.

  • Garment construction: Cutting and sewing the fabric int...read more

Q4. What is Quality Assurance?

Ans.

Quality Assurance is a systematic process of ensuring that products or services meet specified requirements and standards.

  • Quality Assurance involves establishing processes to prevent defects in products or services.

  • It focuses on continuous improvement and monitoring of processes to ensure consistency and quality.

  • Quality Assurance includes activities such as quality planning, quality control, and quality improvement.

  • Examples of Quality Assurance in a laboratory setting include...read more

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