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Waste water Engineering Mock test – 3 || Civil Engineering Mock tests

Welcome to your Waste Water Engineering Mock test - 3
Take an exciting test in Waste water Engineering
You have only 20 mins to complete the test (25 Questions)
Wish you all the best!!!

Inter-distance between ventilation columns in a sewer line is kept

1 out of 26

Ventilating shafts are provided to a sewer line at every

2 out of 26

The spacing of bars of perforations of fine screens used for the treatment of sewage, is

3 out of 26

Hydraulic mean radius is

4 out of 26

If the peak discharge of a storm water drain (S.W. Drain) is e.xpected to exceed 150 cumecs, the free board to be provided, is

5 out of 26

For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed

6 out of 26

The self-cleansing velocity of water flowing through pipe lines, is

7 out of 26

The algae dies out in the zone of

8 out of 26

PH value of sludge during alkaline regression stage, is

9 out of 26

The recommended detention period for grit chambers is

10 out of 26

PH value of sludge during alkaline regression stage, is

11 out of 26

Which one of the following part of human body withstands minimum radiation

12 out of 26

Sluge banks are formed if sewage is disposed of in

13 out of 26

Depletion of ozone layer in the outer atmosphere may cause

14 out of 26

The pH value of fresh sewage is usually

15 out of 26

The maximum diameter of sewers adopted in the designs is

16 out of 26

Lead caulked joints are used for laying

17 out of 26

The sewer pipe which carries sewage from a building for immediate disposal is

18 out of 26

The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is

19 out of 26

Pick up the correct statement from the following :

20 out of 26

Pick up the correct statement from the following :

21 out of 26

For trunk and out-fall, the type of sewers generally used, is

22 out of 26

The pH value of sewage is determined with the help of

23 out of 26

Primary treatment of sewage consists of removal of

24 out of 26

The moisture content of a sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is

25 out of 26

The sludge does not contain waste water from

26 out of 26

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