Which type of gate is generally used for low navigation dams?
Bear trap gate
However, for low dams, the required height of the lifting mechanism can be significant, and they might not be the most economical or suitable for simply controlling the navigation pool level across the main weir section compared to other types like Bear trap gates. Therefore, the type of gate generally used for low navigation dams, particularly for the main control weir section designed to maintain navigation pool depth, is the Bear trap gate.
Sequentially arrange the following steps which are involved in surveying to build an irrigation structure.
A. Reconnaissance survey
B. Preliminary survey
C. Examine the water availability
D. Final location survey
E. Final survey report
A drop in canal bed is generally provided, if
________ is a kind of passage to allow water from upstream to downstream of a dam which has flood gates to control the flow.
In Gravity dam, the factor of safety against overturning should not be less than
For the upstream face of an earthen dam, the most adverse condition for stability of slope is: