J K Fenner Lab Chemist Interview Questions and Answers for Freshers

QA focuses on preventing defects in the software development process, while QC focuses on identifying defects in the final product.

• QA stands for Quality Assurance and QC stands for Quality Control.

• QA is a proactive process that focuses on preventing defects by establishing processes and standards, while QC is a reactive process that focuses on identifying defects in the final product.

• QA involves activities like require...read more

To judge the product physically, perform visual inspections, measurements, and functional tests.

• Conduct visual inspections to check for any defects or abnormalities in the product's appearance.

• Perform measurements to ensure the product meets the required specifications and tolerances.

• Conduct functional tests to verify that the product performs its intended functions correctly.

• Compare the physical attributes of the prod...read more

Concrete mix design is a process of determining the proportions of various ingredients to achieve desired properties of concrete.

• Concrete mix design involves selecting suitable materials and determining their proportions.

• The mix design considers factors such as strength, workability, durability, and economy.

• IS standards, such as IS 10262, provide guidelines for concrete mix design in India.

• The design process includes c...read more

Concrete cubes break more at the middle due to the distribution of stress and the presence of weak points.

• The middle of the cube experiences the highest stress during compression testing.

• The distribution of stress is not uniform throughout the cube.

• The presence of weak points, such as air voids or aggregate discontinuities, can cause the cube to break at the middle.

• The middle of the cube is where the maximum compressiv...read more

I am responsible for ensuring the quality of suppliers' products and processes in my current company.

• Conducting supplier audits to assess their quality management systems

• Reviewing supplier documentation and certifications to ensure compliance with quality standards

• Collaborating with suppliers to address quality issues and implement corrective actions

• Performing supplier performance evaluations and monitoring their ongoi...read more

Quality assurance process ensures that products or services meet specified requirements and standards.

• Quality assurance is a systematic approach to prevent defects and ensure customer satisfaction.

• It involves planning, executing, and evaluating activities to meet quality objectives.

• Key components include quality planning, quality control, and quality improvement.

• Methods such as inspections, audits, and testing are used...read more