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WorksheetsCivil war-Day 39-LSGD-Canals & cross drainage works
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Lining of canal is done to control
a)
Water logging
b)
Seepage of water
c)
Evaporation of water
d)
Overflow of water
2.
Irrigation canals are generally aligned along
a)
Contour line
b)
Straight line
c)
Valley line
d)
Watershed
3.
A canal aligned at right angles to the contour of a country, is known as
a)
Side slope canal
b)
Contour canal
c)
Water shed canal
d)
Branch canal
4.
The discharge of a canal is found to be in the range of 5 to 10 m3/s. This canal can be categorized as
a)
Main canal
b)
Branch canal
c)
Distributary
d)
Field canal
5.
A canal which can irrigate only on one side is called
a)
Watershed canal
b)
Contour canal
c)
Ridge canal
d)
None of the above
6.
The purpose of cross drainage works is to
a)
Take a roadway over a drain
b)
Take a canal across the drain
c)
Take a railway over a drain
d)
Control the entry of silt in the drain
7.
An irrigation canal, freely flowing under a drainage channel, the crossing is called
a)
Canal junction
b)
Canal crossing
c)
Canal siphon
d)
Super passage
8.
The cross drainage work carried out when the irrigation canal and the drain cross at the same level is known as
a)
Super passage
b)
Aqueduct
c)
Level crossing
d)
Pipe aqueduct
9.
____ is the portion of canal which is made narrow than the normal canal width
a)
Tail clausters
b)
Cause way
c)
Flume
d)
Weir
10.
Which of the following canal outlets maintains a constant discharge
a)
Non modular outlet
b)
Flexible outlet
c)
Rigid outlet
d)
None of the above
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