Pre-Test: Water Treatment System

Which among the following is used for the coagulation of suspended solids?

• Hydrochloric Acid

• Sodium Bisulfite

• Ferric Chloride

• Sodium Hypochlorite

Which among the following is the commercial name for liquid Sodium Hypochlorite (NaOCl)?

• Chlorox

• Muriatic Acid

• Liquid Sosa

• Baking Soda

What is the purpose of DMF (Dual Media Filter)?

• To remove the oxygen in water

• To gather fine and light solids to forming larger particles called flocs

• Both a and b

• To filter out suspended solids

Desalination is a process which

• Sucks up marine creatures

• Adds more salt to water

• Removes salt from water

• Removes suspended solids from water

What is used to neutralize the natural acidity of product water and give the desired pH for industrial water use.

• HCl

• NaOH

• NaOCl

• NaHSO3

Process of forcing a solvent from a region of high concentration through a semi-permeable membrane to a region of low concentration by applying a pressure in excess of osmotic pressure.

• Reverse Osmosis

• Normal Osmosis

• Osmotic Pressure

• Osmosis

What unit that uses a physico-chemical settling process combining the advantages of microsand ballasted flocculation and lamella settling?

• Actisand

• DMF

• Actiflo

• MMF

What is the process when water flows from low concentration of salts to high concentration?

• Reverse Osmosis

• Osmosis

• Filtration

• Coagulation

What is the product water of BWRO called?

• Demineralized Water

• Industrial Water

• Potable Water

• Condensate Water

Filters the seawater from suspended solids and removes undesirable odors and colors using dual media (sand and anthracite).

• Semi-Auto Filtration System

• Dual Media Filter

• Sand Filter

• Multi-Media Filter