Question 1

What is the detention time considered for aerated grit chamber?

Accepted Answer

A) 5-6 mins 
B) 2-5 mins 
C) 1-2 mins 
D) 3-4 mins 
A) 5-6 mins 
B) 2-5 mins 
C) 1-2 mins 
D) 3-4 mins

Question 2

What is the amount of air supplied for these grit chambers?

Accepted Answer

A) 1-2 m3/m.min 
B) 0.2-0.5 m3/m.min 
C) 0.5-0.8 m3/m.min 
D) 0.8-1 m3/m.min 
A) 1-2 m3/m.min 
B) 0.2-0.5 m3/m.min 
C) 0.5-0.8 m3/m.min 
D) 0.8-1 m3/m.min

Question 3

Which of the following ion get released from the cation exchange column?

Accepted Answer

A) H+ 
B) Na+ 
C) K+ 
D) Ca+2 
A) H+ 
B) Na+ 
C) K+ 
D) Ca+2

Question 4

_______ provides the dual purpose of providing DO and mixing of the mixed liquor and wastewater.

Accepted Answer

A) Flocculation 
B) Aeration 
C) Sedimentation 
D) Clarification 
A) Flocculation 
B) Aeration 
C) Sedimentation 
D) Clarification

Question 5

Ion-free water coming out from the exchanger is known as ____________

Accepted Answer

A) Potable water 
B) Disinfected water 
C) Coagulated water 
D) Demineralised water 
A) Potable water 
B) Disinfected water 
C) Coagulated water 
D) Demineralised water

What is the detention time considered for aerated grit chamber?

What is the amount of air supplied for these grit chambers?

Which of the following ion get released from the cation exchange column?

_______ provides the dual purpose of providing DO and mixing of the mixed liquor and wastewater.

Ion-free water coming out from the exchanger is known as ____________

Understanding Water Pollution and Its Effects on Aquatic Life

Water Pollution and Regulations

Pollutants From Wastewater: A Study on River Pollution Control and Wastewater Treatment

Water Treatment and Softening Processes

Water Treatment and Pollution Control

Compounds, Fluoridation, and Oxidation Resistance

Demineralized Water, Ion-Exchange, and Ozonation Processes

Sewage Sludge and Treatment Processes

Filters

Exam 7: Grit Chambers and Activated Sludge Processes

What is the detention time considered for aerated grit chamber?

What is the amount of air supplied for these grit chambers?

Which of the following ion get released from the cation exchange column?

_______ provides the dual purpose of providing DO and mixing of the mixed liquor and wastewater.

Ion-free water coming out from the exchanger is known as ____________

Understanding Water Pollution and Its Effects on Aquatic Life

Water Pollution and Regulations

Pollutants From Wastewater: A Study on River Pollution Control and Wastewater Treatment

Water Treatment and Softening Processes

Water Treatment and Pollution Control

Compounds, Fluoridation, and Oxidation Resistance

Demineralized Water, Ion-Exchange, and Ozonation Processes

Sewage Sludge and Treatment Processes

Filters