Time Left - 08:00 mins
Envt- Treatment of Water 2- Quiz (App update required to attempt this test)
Attempt now to get your rank among 1079 students!
Question 1
In water treatment, the manual screens are kept inclined at an angle of
Question 2
Flocculation is the process of
Question 3
Which one of the following type of treatments will be used for neutralization of alkaline effluent?
Question 4
Which of the following represents the approximately overflow rate (liters/hours/m2) for the plain sedimentation tank?
Question 5
When chlorine is dissolved in water, it reacts to form hypochlorous acid and hypochlorite ions. At pH <5, chlorine exits in water as
Question 6
What is the surface area of settling tank used for design discharge of 2 m3/s if depth overflow rate for tank is 60 m3/m2/day?
Question 7
If the specific gravity of a suspended particle is increased from 2 to 4, the settling velocity will
Question 8
During chlorination process, aqueous (aq) chlorine reacts rapidly with water to form Cl- , HOCl, and H+ as shown below
The most active disinfectant in the chlorination process from amongst the following, is
Question 9
Dechlorination of water is achieved by adding
Question 10
Calculate theoretical oxygen demand of water that contains 250mg/l of glucose and 30mg/l of benzene? (in mg/l)
- 1079 attempts
- 2 upvotes
- 9 comments
May 5ESE & GATE CE