Senior Officer QA Interview Questions and Answers

Line clearance at different stages refers to the process of ensuring that a production line or area is free from any previous product or material before starting a new production or process.

• Line clearance is performed at various stages such as before starting a new batch, after completing a batch, or during equipment changeover.

• It involves thorough cleaning, removal of any residual material, and verification of cleanliness.

• Line clearance is important to prevent cross-contamin...read more

AQL sampling is a statistical method used in quality control to determine the acceptable quality level of a product batch.

• AQL stands for Acceptable Quality Level, which is the maximum percentage of defective units that is considered acceptable in a batch of products.

• AQL sampling involves randomly selecting a sample of units from a batch and inspecting them for defects.

• The AQL limits are predetermined values that specify the maximum number of defective units allowed in a sampl...read more

Microwave ovens use electromagnetic radiation to heat food by exciting water molecules within it.

• Microwaves are a form of electromagnetic radiation with a wavelength ranging from 1 millimeter to 1 meter.

• The microwaves penetrate the food and cause the water molecules to vibrate, generating heat through friction.

• The rotating plate inside the microwave helps to ensure even heating of the food.

• Metal objects should not be placed inside a microwave as they can cause sparks due to r...read more

Sampling is the process of selecting a subset of a population to represent the entire group for testing or analysis.

• Determine the population to be sampled

• Choose a sampling method (random, stratified, cluster, etc.)

• Decide on the sample size

• Collect the samples

• Analyze the samples and draw conclusions

Class A preservatives are antimicrobial agents that are considered safe for use in food and pharmaceutical products.

• Class A preservatives are substances that prevent the growth of microorganisms in products.

• They are considered safe for consumption and are approved by regulatory authorities.

• Examples of Class A preservatives include sodium benzoate, potassium sorbate, and parabens.

Media fill is a simulation test used in pharmaceutical manufacturing to ensure the aseptic filling process is performed correctly.

• Media fill involves filling sterile growth media instead of actual product to simulate the manufacturing process.

• The filled containers are then monitored for any microbial growth to ensure the process is aseptic.

• Media fill tests are conducted periodically to validate the aseptic filling process and equipment.

• Examples of media fill tests include fil...read more