# SSC JE Civil Engineering Preliminary Exam in January 2018 | Practice test Day – 41

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1.

Water losses in water supply, is assumed as

1 out of 25
2.

Carbonates in water produce

2 out of 25
3.

Service connections to consumers houses, are generally provided with

3 out of 25
4.

Demand for public uses in a city, does not include water required for

4 out of 25
5.

Chemical coagulation of drinking water, is done

5 out of 25
6.

The ratio of discharge and plan area of a continuous flow type settling tank, is known

6 out of 25
7.

Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following:

7 out of 25
8.

The maximum permitted loss of head in a rapid sand filter, is

8 out of 25
9.

If the average daily demand of a city of 50,000 population, is 20 m.l.d., the maximum daily  demand is

9 out of 25
10.

The requirement of water per capita per day, is

10 out of 25
11.

Pressure exerted at 90° bend in a pipe of cross-sectional area A and carrying water with a velocity V under a pressure p, is

11 out of 25
12.

Dead storage of a reservoir of Q capacity generally provided for silt deposition during its life time,  is generally kept

12 out of 25
13.

The pH value of water fit for drinking, is

13 out of 25
14.

The coefficient of permeability of soils, is generally expressed in

14 out of 25
15.

45 litres of water per person per day, is provided in

15 out of 25
16.

In the equation P = PS/[1 + loge-1 (nt)] of a logistic curve of population growth, the constant m is

16 out of 25
17.

The ratio of maximum hourly consumption and average hourly consumption of the maximum day, is

17 out of 25
18.

Pick up the incorrect statement from the following:

18 out of 25
19.

Alum is chemically

19 out of 25
20.

Standard process of chlorination of water, is done by

20 out of 25
21.

The lowest outlet sluice in a dam is provided

21 out of 25
22.

The permissible pH value for public water supplies may range between

22 out of 25
23.

The nitrate concentration in domestic water supplies, is generally limited to

23 out of 25
24.

The strainer type tube well, is unsuitable for

24 out of 25
25.

High pH value of water does not produce

25 out of 25

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