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SSC JE Civil Engineering Preliminary Exam in January 2018 | Practice test Day – 27




Welcome to your SSC JE Civil Engineering Objective Exam in 2018 Practice test Day - 27
Take an exciting test in SSC JE Civil Preliminary Exam in January 2018. 
You have only 20 mins to complete the test (20 Questions)
Wish you all the best!!!
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1.

The yield of a rapid gravity filter as compared to that of slow sand filter, is

1 out of 20
2.

Most commonly used pump for lifting water in water supply mains, is

2 out of 20
3.

For determining the velocity of flow of underground water, the most commonly used non-empirical formula is

3 out of 20
4.

Disinfection of drinking water, is done to remove

4 out of 20
5.

Distribution mains of any water supply, is normally designed for its average daily requirement

5 out of 20
6.

Water supply system includes

6 out of 20
7.

The least thickness of class B cast iron (spun) pipe, is

7 out of 20
8.

Aeration of water is done to remove

8 out of 20
9.

In distribution pipes, drain valves are provided at

9 out of 20
10.

The transitional middle portion of a logistic curve follows

10 out of 20
11.

Time of concentration

11 out of 20
12.

By boiling water, hardness can be removed if it is due to

12 out of 20
13.

The specific retention is least in case of

13 out of 20
14.

Turbidity of raw water is a measure of

14 out of 20
15.

Economic height of a dam is the height corresponding to which

15 out of 20
16.

In pressure supply mains, water hammer pressure is reduced by providing

16 out of 20
17.

The population growth curve is

17 out of 20
18.

The maximum permissible nitrites in public water supplies, is

18 out of 20
19.

The maximum depth of sedimentation tanks is limited to

19 out of 20
20.

B.O.D. of treated water should be

20 out of 20







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