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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 25
36.
A flownet constructed to determine the seepage through an earth dam which is homogeneous but anisotropic, gave four flow channels and sixteen equipotential drops. The coefficients of permeability in the horizontal and vertical directions are 4 x 10-7 m/s and 1.0 x 10-7 m/s, respectively. If the storage head was 20 m, then the seepage per unit length of the dam (in m3/s) would be
5 x 10-7
10 x 10-7
20 x 10-7
40 x 10-7
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
A roaring rail has which one of the following defects ?
Split on head of rail
Minute depression and waves on the surface of rails
Split on web portion of rail
Square cracks on the surface of rail
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
While aligning a hill road with a ruling gradient of 1 in 20, horizontal curve of radius 80 m is encountered. The compensated gradient on the curve will be
1 in 15
1 in 17
1 in 25
1 in 27
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Stratification of water with depth in reservoir (with free surface) is based on temperature. The dark stagnant cooler water layer is known as
Epilimnion
Hypolimnion
Metalimnion
Boundary
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The following steps are involved in arriving at a unit hydrograph.
1. Estimating the surface runoff in depth.
2. Estimating the surface runoff in volume.
3. Separation of base flow.
4. Dividing surface runoff ordinates by depth of runoff.
The correct sequence of the steps is :
3 2 1 4
2 3 4 1
3 1 2 4
4 3 2 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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