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Introduction to WTP Processes

Total questions: 11

Worksheet time: 4mins

Name
Class
Date
1.

How many Water Treatment Plant owned by Air Selangor?

Berapa bilangan loji rawatan air di bawah pengurusan Air Selangor?

a)

4

b)

34

c)

22

d)

16

2.

What process do we use to avoid garbage and debris getting into our water treatment processes?

Apakah proses yang digunakan untuk mengelakkan sampah memasuki bahagian proses?

a)

Disinfection

b)

Aeration

c)

Screening

d)

Bin Bags

3.

Which steps in the water-treatment process use positively charged chemicals to balance negatively charged sediment, leading to the formation of larger particles when these oppositely charged particles combine?

Apakah proses yang diperlukan bagi meneutralkan cas negatif pada air mentah seterusnya menjadikan partikel mendapan bergabung menjadi besar?

a)

sedimentation and coagulation

b)

disinfection and sedimentation

c)

coagulation and flocculation

d)

disinfection and flocculation

4.

Which chemicals are added to the water during post chemical dosing?

Apakah bahan kimia yang ditambah kedalam air semasa proses post chemical dosing?

a)

Coagulant

b)

Chlorine, Fluoride and Lime

c)

Flocculant

d)

Mudballs

5.

What step of the treatment process is lime added?

Proses manakah bahan kimia lime ditambah bagi menaikkan pH air.

a)

Sedimentation

b)

Clear Water Tank

c)

Filtration

d)

Post Chemical Dosing

6.

SSP1, SSP2, SSP3 and Rasa WTPs combined will provide how many percent of treated water demand to Selangor?

Jika jumlah pengeluaran SSP1,2,3 dan Rasa digabungkan akan memberikan berapa persen daripada jumlah keseluruhan keperluan air di Selangor?

a)

45%

b)

30%

c)

55%

d)

80%

7.

Source of raw water for Water Treatment Plant in Selangor?

Apakah sumber air mentah di Air Selangor?

a)

Dam, ORS, River

b)

River, Glacier, ORS

c)

Dam, River and groundwater

d)

Zam Zam well

8.

In the treatment of drinking water, which of the following is a chemical treatment process?

Manakah antara berikut adalah rawatan kimia bagi proses rawatan air di Air Selangor?

a)

aeration

b)

sedimentation

c)

coagulation

d)

filtration

9.

What allows flow in one direction and automatically prevents backflow (reverse flow) when fluid in the line reverses direction?

Apakah injap yang hanya memberi aliran air satu arah sahaja dan mengelakkan aliran air patah balik?

a)

Butterfly valve

b)

Check Valve

c)

Gate Valve

d)

Ball Valve

10.

What gas must be maintained at precise levels in the aeration tank?

Apakah gas penting yang perlu dikawal pada tangki pengudaraan?

a)
CO2
b)
O2
c)
H2
d)
CO
11.

Berapa Off River Storage atau takungan air pinggiran sungai di Selangor

a)

5

b)

2

c)

3

d)

4