Quality Assurance Management Trainee Interview Questions and Answers

Water quality parameters are characteristics used to assess the suitability of water for different uses.

• Physical parameters: temperature, color, turbidity, odor, taste

• Chemical parameters: pH, dissolved oxygen, total dissolved solids, hardness, alkalinity, nutrients, metals, pesticides, organic compounds

• Biological parameters: coliform bacteria, E. coli, viruses, parasites, algae, zooplankton

• Radiological parameters: radon, uranium, alpha and beta particles

• Examples of water qual...read more

HPLC is a chromatography technique used to separate, identify, and quantify components in a mixture.

• HPLC stands for High-Performance Liquid Chromatography.

• It works on the principle of separating components based on their affinity towards the stationary and mobile phases.

• The stationary phase is a solid or liquid packed in a column, while the mobile phase is a liquid that flows through the column.

• The sample is injected into the mobile phase, and as it flows through the column, ...read more

Water treatment processes involve physical, chemical, and biological methods to remove impurities and make water safe for consumption.

• Coagulation and flocculation to remove suspended particles

• Sedimentation to separate solids from water

• Filtration to remove remaining impurities

• Disinfection to kill harmful microorganisms

• Examples of treatment methods include chlorination, ozonation, and UV radiation

• Water treatment plants may also use advanced processes like reverse osmosis and io...read more