NK Industries Interview Questions and Answers

Water treatment plant operation involves various processes to remove impurities and ensure safe drinking water.

• Water intake from a natural source (e.g. river, lake)

• Coagulation and flocculation to remove suspended particles

• Sedimentation to allow particles to settle at the bottom

• Filtration through sand, gravel, and charcoal to remove remaining impurities

• Disinfection using chlorine or UV light to kill bacteria and viruses

ETP process stands for Effluent Treatment Plant process, which is used to treat wastewater before it is released into the environment.

• ETP process involves physical, chemical, and biological processes to remove contaminants from wastewater.

• Common processes in ETP include screening, sedimentation, filtration, and disinfection.

• The treated water can be reused for various purposes or safely discharged into water bodies.

• ETP ...read more

RO process stands for Reverse Osmosis, a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.

• RO process is a water treatment method that uses pressure to force water through a semipermeable membrane, removing impurities.

• It is commonly used in desalination plants to turn seawater into drinking water.

• RO process is also used in home water fil...read more

A multi effect evaporation system is a process used to efficiently evaporate water from a solution by utilizing multiple stages of evaporation.

• Consists of multiple evaporator units arranged in series

• Uses the vapor generated in one effect to heat the next effect

• Reduces energy consumption compared to single effect evaporation systems

• Commonly used in industries such as food processing, chemical manufacturing, and wastewat