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SSC JE CE 2017- Environmental Engineering Ranker Quiz 6

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Question 1

Anti-siphonage pipe is connected to ________.

Question 2

Before discharging the foul sewage into rivers, it is generally treated by ______.

Question 3

Pollutant Standards Index (PSI) value in between 101-199 denotes the air quality as _______.

Question 4

The most economical circular channel gives maximum discharge while:

Question 5

Connecting pipe in mm for septic tank should not be less than:

Question 6

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

Question 7

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

Question 8

If the average daily water consumption of a city is 1000 cum the peak hourly demand will be:

Question 9

Ozonation in water treatment is done for which of the process :

Question 10

The process involved in chlorination after breakpoint chlorination are

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Jul 7ESE & GATE CE