# Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 4
1.
Pick up the correct statement from the following :
For determination of small colour intensities, tintometer is generally used
The odour of water sample is generally measured by a term called odour intensity
The colour of water sample may be detected by Nessler tube
Specific conductivity of water measures the amount of dissolved salt
All the above.
Explanation:
No answer description is available. Let's discuss.

2.
Before constructing a dam, the factor to be considered for controlling sedimentation, is
selection of dam site
construction of check dams
providing vegetation screens
providing under-sluices in the dam
All the above.
Explanation:
No answer description is available. Let's discuss.

3.
The process of passing water through beds of granular materials, is called
screening
sedimentation
filtration
none of these.
Explanation:
No answer description is available. Let's discuss.

4.
If Q is discharge is cubicmetres per sec and D is the economical diameter of the pipe. According to Lea
D = 0.67 to 0.87 Q
D = 0.77 to 0.97 Q
D = 0.97 to 1.22 Q
D = 1.22 to 1.33 Q.