MKG ENGINEERING SERVICES Environmental Engineer Interview Questions and Answers

STP stands for Sewage Treatment Plant and ETP stands for Effluent Treatment Plant. They are used to treat wastewater before releasing it back into the environment.

• STP is used to treat sewage from residential and commercial buildings before releasing it back into the environment.

• ETP is used to treat industrial wastewater before discharging it into water bodies or sewage systems.

• Both STP and ETP help in reducing the poll...read more

Hard water can be treated through various methods to reduce its mineral content.

• Water softening: The most common method involves removing the minerals that cause hardness, such as calcium and magnesium ions.

• Ion exchange: This process replaces the calcium and magnesium ions with sodium or potassium ions.

• Reverse osmosis: It uses a semipermeable membrane to remove minerals, impurities, and contaminants from water.

• Distilla...read more