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Civil Engineering GATE 2016 Set-1 Questions with Answer
Ques 40 Geotechnical Engineering
A seepage flow condition is shown in the figure. The saturated unit weight of the soil γsat=18 kN/m3. Using unit weight of water, γw=9.81 kN/m3, the effective vertical stress (expressed in kN/m2) on plane X-X is _______.
65.4 is the correct answer.
Ques 41 Geotechnical Engineering
A drained triaxial compression test on a saturated clay yielded the effective shear strength parameters as c'=15 kPa and ϕ'=22°. Consolidated Undrained triaxial test on an identical sample of this clay at a cell pressure of 200 kPa developed a pore water pressure of 150 kPa at failure. The deviator stress (expressed in kPa) at failure is _______.
105 is the correct answer.
Ques 42 Hydrology and Irrigation Engineering
The direct runoff hydrograph in response to 5 cm rainfall excess in a catchment is shown in the figure. The area of the catchment (expressed in hectares) is
21.6 is the correct answer.
Ques 43 Hydrology and Irrigation Engineering
The type of flood routing (Group 1) and the equation(s) used for the purpose (Group II) are given below.
| Group I | Group II |
|---|---|
| P. Hydrologic flood routing | 1. Continuity equation |
| Q. Hydraulic flood routing | 2. Momentum equation |
| 3. Energy equation |
Ques 44 Hydrology and Irrigation Engineering
The pre-jump Froude Number for a particular flow in a horizontal rectangular channel is 10. The ratio of sequent depths (i.e., post-jump depth to pre-jump depth) is
13.65 is the correct answer.
Ques 45 Hydrology and Irrigation Engineering
A concrete gravity dam section is shown in the figure. Assuming unit weight of water as 10 kN/m3 and unit weight of concrete as 24 kN/m3, the uplift force per unit length of the dam (expressed in kN/m) at PQ is ________.
1050 is the correct answer.
Ques 46 Hydrology and Irrigation Engineering
Seepage is occurring through a porous media shown in the figure. The hydraulic conductivity values (k1, k2, k3) are in m/day.
Ques 47 Hydrology and Irrigation Engineering
A 4 m wide rectangular channel, having bed slope of 0.001 carries a discharge of 16 m3/s. Considering Manning's roughness coefficient =0.012 and g=10 m/s2 the category of the channel slope is
Ques 48 Hydrology and Irrigation Engineering
A sector gate is provided on a spillway as shown in the figure. Assuming g=10 m/s2, the resultant force per meter length (expressed in kN/m) on the gate will be
127 is the correct answer.
Ques 49 Hydrology and Irrigation Engineering
A hydraulically efficient trapezoidal channel section has a uniform flow depth of 2 m. The bed width (expressed in m) of the channel is
2.31 is the correct answer.
Ques 50 Project Management
The Optimistic Time (O), Most likely Time (M) and Pessimistic Time (P) (in days) of the activities in the critical path are given below in the format O-M-P.
37 is the correct answer.
Ques 51 Structural Engineering
Consider the plane truss with load P as shown in the figure. Let the horizontal and vertical reactions at the joint B be HB and VB, respectively and VC be the vertical reaction at the joint C.
Ques 52 Structural Engineering
In shear design of an RC beam, other than the allowable shear strength of concrete (τc) there is also an additional check suggested in IS 456-2000 with respect to the maximum permissible shear stress (τc mix). The check for τc mix is required to take care of
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