1.
Increase in population of a rapidly growing city, may be estimated by
2.
Pick up the correct statement from the following regarding the pressure conduits :
3.
An earth formation which, although porous and capable of absoring water does not provide an appreciable supply to wells, is known as
4.
Surface water is obtained from
5.
Continuous flow of water can be expected from
6.
A city supply includes
7.
Quality of water is said to be good if it is
9.
For determining the velocity of flow of underground water, the most commonly used non-empirical formula is
11.
Most important source of water for public water supply, is from
12.
The bacterias which require free oxygen for their survival, are called
13.
45 litres of water per person per day, is provided in
14.
Turbidity of water may be caused due to
15.
The type of pipe commonly used in water supply distribution schemes, is
16.
The minimum recommended diameter of sewers, is
17.
Self-cleansing velocity is
18.
For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is
19.
The gas which may cause explosion in sewers, is
20.
In sewers the effect of scouring is more on
21.
Rate of flow of sewage is generally assumed
22.
The gradient of sewers depends upon
23.
The liquid wastes from kitchens, bath rooms and wash basins, is not called
24.
A manhole is classified as shallow if its depth is between
25.
Hydraulic mean radius is
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