EWE -UITM SHAH ALAM PART 2

Which one is not the Purposes of Dams in Water system ?

• Domestic & Industrial Water Supply

• Flood Control

• Pollution (dilution & flushing)

• Agriculture (Fishing)

which is not a Benefit of ORS & HORAS?

• Improve quality of raw water where ammonia and turbidity are reduced due to gravitational settlement in the ORS/HORAS

• Recreational Activities

• Control intrusion of polluted water as the whole area is gated and secured.

• Reduce water supply disruption resulting from river pollution since abstraction is from storage pond.

Overall percentage of water quality compliance with national standard is measured based on the cumulative sampling results (MOH and in-house).

These statement stand for which compliance?

• Treated Water Compliance

• Quality Assurance Program

• Drinking Water Quality Index

• Water Quality Index

Gases,Liquid & Solid fall under which category of impurities?

• Biological

• Chemical

• Physical

• Colloidal

Main purpose of aeration process?

• Remove Large Particle &Floating Debris

• Bring water and air (oxygen) in close contact

• attract and bind small partical

• Allowing particle in suspension in water to settle