WATER TREATMENT

WATER TREATMENT

University

60 Qs

quiz-placeholder

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WATER TREATMENT

WATER TREATMENT

Assessment

Quiz

Health Sciences

University

Practice Problem

Medium

Created by

SILAMBARASAN SIMBU

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60 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rejection rate of a good RO membrane is usually:

40–50%

60–70%

95–99%

20–30%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pre-treatment is generally required before RO plant?

Softener

Multimedia filter

Activated carbon filter

All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

RO membrane is made of:

Polypropylene

Cellulose acetate or polyamide

PVC

Stainless steel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pre-treatment protects RO membrane from chlorine

Softener

Activated carbon filter

Multimedia filter

UV filter

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Typical RO pressure for brackish water plants is:

5–10 psi

20–50 psi

500–800 psi

150–250 psi

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scaling in RO occurs due to:

High chlorine

High CO₂

High hardness (Ca, Mg salts)

Low pH

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

pH of RO permeate water is usually:

7.0–8.0

6.0–6.8

8.5–9.0

5.0–5.5

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