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SSC JE CE 2017- Environmental Engineering Ranker Quiz 5

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Question 1

The minimum width of a septic tank is taken _____.

Question 2

The trap which is provided to disconnect the house drain from the street sewer is called _____.

Question 3

The diameter of a domestic sewer pipe laid at gradient 1 in 150 is recommended _______.

Question 4

Pick up the incorrect statement from the following.

Question 5

The populations of a town as per census records were 200000, 210000 and 230000 for the years 1981, 1991 and 2001 respectively. The population of the town as per incremental increase method in the year 2009 is

Question 6

Deposit gauge are provided with copper sulphate solution _____.

Question 7

The ratio of design discharge to the surface area of a sedimentation is called:

Question 8

The appropriate percentage of water in sewage is

Question 9

Nitrates more than 45 mg/l in water lead to disease called :

Question 10

Re-oxygenation curve of a polluted stream
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Jul 21ESE & GATE CE