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
4. The best method for forecasting the population of a new and fast-growing city is
a) Logistic method
b) Incremental increase method
c) Arithmetic increment method
d) Geometrical increase method
View Answer
d) Geometrical increase method
3. Water supply projects under normal circumstances are designed for periods 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 ______ percent 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
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