Questions and Answers
What is the purpose of passing water through a filter bed with grains of sand and activated carbon?
To remove suspended particles
Which substance is added to water in the filter plant to form gelatinous aluminum hydroxide?
Aluminum sulfate
Where does the water come from that is carried by huge pipes to the Balara Filter Plant?
La Mesa Dam
What happens to the aggregates in the sedimentation ponds?
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What is the role of chlorine gas in the purification process?
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Which government agency or office must give prior approval for the exploitation of a work created by the Government of the Philippines?
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Who owns the borrowed materials included in this module?
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According to Republic Act 8293, section 176, is there any copyright on works of the Government of the Philippines?
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Under what condition can a government agency or office impose the payment of royalties for the exploitation of a work?
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Who does the publisher and authors of this module claim ownership over the borrowed materials?
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