Have an Interesting Science Quiz on "Waste Water Management"! thumbnail
Have an Interesting Science Quiz on "Waste Water Management"! thumbnail

Have an Interesting Science Quiz on "Waste Water Management"!

10th - 12th grades
Played 11 times
Preview (10 questions)
1 Question
30 seconds
Q.

What is the removal of the solids in waste water called as?


secondary sewage treatment

primary sewage treatment

down sewage treatment

main stream treatment

2 Question
30 seconds
Q.

What is the use of screening in wastewater treatment?


to remove fine solids

absorbing the water

purifies the water

none of the above

3 Question
30 seconds
Q.

What is the maximum temperature of bacterial activity in waste water?


25 to 40 degree celcius

90 to 100 degree celcius

25 to 35 degree celcius

10 to 40 degree celcius

4 Question
30 seconds
Q.

What type of coagulant is used in wastewater treatment?


Ferric sulfate

Ferric chloride

Aluminium sulfate

Sodium aluminate

5 Question
30 seconds
Q.

Which process is used in the removal of nitrogen in waste water?


nitrification-denitrification

sludge process

sedimentation process

biological process

6 Question
30 seconds
Q.

By which side the waste water enters the reactor?


upwards

bottom

left side

right side

7 Question
30 seconds
Q.

How much percent of solids does wastewater contain?


0.1 %

9.4 %

3.2 %

5.4 %

8 Question
30 seconds
Q.

State true or false.

The amount of Dissolved Oxygen decreases at higher temperatures.


True

False

9 Question
30 seconds
Q.

Which is used for water supply in electric generation?


liquid water

ponds

lakes

rivers

10 Question
30 seconds
Q.

What is the growth of the algae is waste water called as?


Eutrophication 

Nitrification

Sedimentation

Denitrification