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Water Management and Conservation
A line shown on a map, drawn between the points of equal levels or heads is called _______?
Ordinate line
Contour line
Check line
All are correct
Author:
rikazzz
Comment
Water Management and Conservation
in most economical Trapezoidal section, half of the Top width is equal to _______?
Depth of channel
Bottom width of channel
Sloping side of channel
None of these
Author:
rikazzz
Comment
Water Management and Conservation
The stability analysis of earth dam founded on cohesion less silt material be made against _______?
Shear
Sinking
Turning
Buckling
Author:
rikazzz
Comment
Water Management and Conservation
_______% of total global water is saline and available in oceans ?
96%
95%
97%
97.5%
Author:
rikazzz
Comment
Water Management and Conservation
The groyne pointing upwards direction of flow is called _______?
Impermeable
Repelling
Attracting
Permeable
Author:
rikazzz
Comment
Water Management and Conservation
An area is officially declared as drought effected if the mean Annual rain fall is less than of the annual Potential evaporation,?
75%
70%
80%
85%
Author:
rikazzz
Comment
Water Management and Conservation
Permissible velocity of water flowing through concrete lined tunnel is usually _______?
5 – 6m/sec
4 – 5m/sec
3 – 4m/sec
6 – 7m/sec
Author:
rikazzz
Comment
Water Management and Conservation
A fish ladder is device by which flow energy can be dissipated in such a manner as to provide easy access to the downstream fish to come on upstream side, the velocity of flow varies from _______?
2.5 – 3 m/sec
2.0 – 2.5 – m/sec
3.0 – 3.5 m/sec
3.5 – 4.0 m/sec
Author:
rikazzz
Comment
Water Management and Conservation
A dam which is prevented from overturning by the action of lateral or vertical up thrust of water by its weight is called _______?
Gravity dam
Buttress dam
Arch dam
Coffer dam
Author:
rikazzz
Comment
Water Management and Conservation
The water way from a weir is determined by using Lacey’s wetted perimeter i.e. P= _______(Q)1/2 ?
3.75
3.50
4.75
5.75
Author:
rikazzz
Comment
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