Environmental Engineering (3160611) MCQs

MCQs of Water Supply scheme/System Components

Showing 11 to 20 out of 28 Questions
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11.

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

(a)

100%
(b)

150%
(c)

200%
(d)

225%
Answer:

Option (d)

12.

A high velocity of wash water is required for

(a)

rapid gravity filter with strainers
(b)

slow sand filter without strainers
(c)

rapid gravity filter without strainers
(d)

none of these.
Answer:

Option (b)

13.

In distribution pipes, drain valves are provided at

(a)

lower point
(b)

higher point
(c)

junction points
(d)

any where.
Answer:

Option (a)

14.

Corrosion of well pipes may not be reduced by

(a)

reducing the draw down and the pumping rate
(b)

reducing the flow velocity
(c)

using thicker pipes
(d)

using screens having larger area of openings
Answer:

Option (d)

15.

If V is total consumption of water in litres for a population of N individuals, per capita consumption or water allowance for the water supply Q, is given by
(a)

(b)

(c)

(d)

none of these.
Answer:

Option (c)

16.

Water supply includes

(a)

collection, transportation and treatment of water
(b)

distribution of water to consumers
(c)

provision of hydrants for fire fighting
(d)

all the above.
Answer:

Option (d)

17.

The factor affecting per capita demand, is
(a)

size of the city
(b)

climatic conditions
(c)

pressure in water mains
(d)

All of above
Answer:

Option (d)

18.

Pick up the incorrect statement from the following. The underground sources of water, is from

(a)

wells
(b)

springs
(c)

infiltration wells
(d)

storage reservoirs
Answer:

Option (d)

19.

Disinfection of drinking water, is done to remove

(a)

odour
(b)

bacterias
(c)

turbidity
(d)

colour.
Answer:

Option (b)

20.

Sunlight

(a)

helps growth of bacterias
(b)

impedes growth of algae
(c)

increases dissolved oxygen content
(d)

reduces turbidity.
Answer:

Option (b)

Showing 11 to 20 out of 28 Questions
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