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