MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Waste Water Engineering
Waste Water Engineering Written Test
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Q.1
SBR is a type of ________
a) Aerobic process
b) Activated sludge process
c) Anaerobic process
d) Chemical process
Q.2
The one tank is aerating and filling while the other one is decant.
a) True
b) False
Q.3
Bio-selectors direct the flow.
a) True
b) False
Q.4
___________ helps to mix the incoming influent and the returned activated sludge.
a) Walls
b) Orifice
c) Manifold
d) Bio-selector
Q.5
How is mixing done in SBR?
a) Manual
b) Mechanical
c) Air stripping
d) Agitation by air
Q.6
In which stage of the SBR is aeration performed?
a) First
b) Second
c) Third
d) fourth
Q.7
In which stage are the aeration and mixing avoided?
a) First
b) Second
c) Third
d) Fourth
Q.8
The multiplication of _________ is encouraged by the addition of oxygen.
a) Bacteria
b) Aerobic bacteria
c) Anaerobic bacteria
d) Fungi
Q.9
______ is used to remove phosphorus compounds from the liquor.
a) Aluminium nitrate
b) Aluminium phosphate
c) Aluminium sulphate
d) Sodium nitrate
Q.10
The _________ is usually the same length in time as the aeration.
a) Screening stage
b) Mixing stage
c) Clarification stage
d) Settling stage
Q.11
Which part of the tank is suitable for anaerobic bacteria to flourish?
a) Top
b) Bottom
c) Sides
d) Middle zone
Q.12
______ is removed by Anammox.
a) Nitric oxides
b) Nitrate
c) Nitrite
d) Ammonia
Q.13
How many types of BOD are present?
a) 1
b) 2
c) 3
d) 4
Q.14
BOD is a physical procedure for determining DO needed for aerobic biological organisms.
a) True
b) False
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page