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GATE CE 2020: Hydrology & Irrigation Quiz 9
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Question 1
The base width of an elementary profile of a gravity dam of height H is be. The specific gravity of the material of the dam in G and uplift pressure coefficient is K. The correct relationship for no tension at the heel is given by
Question 2
The base width of a solid gravity dam is 35m, the material of dam has a specific gravity of 2.65 and dam is designed as an elementary profile ignoring uplift. The approximately allowable height of dam is
Question 3
A drop spillway is subjected to horizontal and vertical forces of 40.8 kN and 36.5 kN respectively. The area of plane of sliding is 10m2. Angle friction and cohesive resistance of foundation material are 25 ° and 4.9 kPa respectively. The factor of safety against sliding is? Assume tan 25°= 0.47
Question 4
Which of the following categories best describes the Hirakud reservoir?
Question 5
The maximum height of a low gravity dam of elementary profile made of concrete of relative density 2.5 and safe allowable stress of foundation material 3.87 MPa without considering uplift force is about
Question 6
A spillway is having 6 spans with clear width 10 m each. Thickness of each 90 ° cut water nose pier may be taken as 2.5 m. Take rounded abutment and effective height of water above spillway is 16.3 m. The effective length of spillway is _________ m.
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Feb 15ESE & GATE CE
