Water Demand – MCQ || Water Supply Engineering

Water Demand – MCQ || Water Supply Engineering

17th July 2020 0 By Malay Sautya

Water Demand – MCQ

Following are some question and answer about water demand:

1. Per capita demand is

a) Total yearly water requirement(litres) / 365 × Population
b) Total yearly water requirement(litres) / Design Population
c) Total yearly water requirement(litres) / Population
d) Total yearly water requirement(litres) / 365 × Design Population

View Answer

d) Total yearly water requirement(litres) / 365 * Design Population

2. The ratio of maximum daily demand to average demand is

a) 1.8
b) 1.2
c) 1.48
d) 2.7

View Answer

a) 1.8

3. The best method for forecasting population for a new and fast increasing city is

a) Logistic method
b) Incremental increase method
c) Arithmetic increment method
d) Geometrical increase method

View Answer

d) Geometrical increase method

4. Water supply projects under normal circumstances are designed period of

a) 15 years
b) 20 years
c) 25 years
d) 30 years

View Answer

d) 30 years

5. Maximum hourly consumption is generally taken as ______ per cent of its average hourly consumption

a) 100
b) 150
c) 200
d) 250

View Answer

b) 150

6. Maximum hourly demand of the maximum day( i.e peak demand) is equal to

a) 1.5 × average hourly demand
b) 2.7 × annual average hourly demand
c) Both (a) and (b)
d) None of these

View Answer

c) Both (a) and (b)

7. The coincident draft is taken as

a) Maximum hourly demand + fire demand
b) Maximum hourly demand
c) Average daily demand + fire demand
d) Greater of (b) and (c)

View Answer

d) Greater of (b) and (c)

8. The unit of per capita demand is

a) litres/head/day
b) head/day
c) days/head/litres
d) None of these

View Answer

a) litres/head/day

Read More:

10 Factors Affecting the Rate of Water Demand