Civil Engineering - Water Supply Engineering

36.
The least thickness of class B cast iron (spun) pipe, is
7.2 mm
7.9 mm
8.6 mm
10 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for
Boarding schools
Nurses home and medical quarters
hostels
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level
1500 m
1505 m
1475 m
1485 m.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The factor affecting per capita demand, is
size of the city
climatic conditions
pressure in water mains
cost of water
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Pick up the incorrect statement from the following. The underground sources of water, is from
wells
springs
infiltration wells
storage reservoirs
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.