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Civil Engineering Gate 2020 Set-1 Questions with Answer
Ques 14 GATE 2020 SET-1
The area of an ellipse represented by an equation
x2 / a2 + y2 / b2 = 1
is
Ques 15 GATE 2020 SET-1
Consider the planar truss shown in the figure (not drawn to the scale).

Ques 16 GATE 2020 SET-1
A reinforcing steel bar, partially embedded in concrete, is subjected to a tensile force P. The figure that appropriately represents the distribution of the magnitude of bond stress (represented as hatched region), along the embedded length of the bar, is
Ques 17 GATE 2020 SET-1
In a two-dimensional stress analysis, the state of stress at a point P is [σ] = [[σxx, τxy], [τxy, σyy]] The necessary and sufficient condition for existence of the state of pure shear at the point P, is
Ques 18 GATE 2020 SET-1
During the process of hydration of cement, due to an increase in Dicalcium Silicate (C2S) content in cement clinker, the heat of hydration _______.
Ques 19 GATE 2020 SET-1
The Los Angeles test for stone aggregates is used to examine
Ques 20 GATE 2020 SET-1
Which one of the following statements is NOT correct?
Ques 21 GATE 2020 SET-1
In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every 1.5 m interval up to 30 m depth. At 3 m depth, the observed number of hammer blows for three successive 150 mm penetrations were 8, 6 and 9, respectively. The SPT N-value at 3 m depth, is
Ques 22 GATE 2020 SET-1
Velocity of flow is proportional to the first power of hydraulic gradient in Darcy's law. This law is applicable to
Ques 23 GATE 2020 SET-1
A body floating in a liquid is in a stable state of equilibrium if its
Ques 24 GATE 2020 SET-1
Uniform flow with velocity U makes an angle θ with the y-axis, as shown in the figure. The velocity potential (Φ), is

Ques 25 GATE 2020 SET-1
The data for an agricultural field for a specific month are given below:
Pan Evaporation = 100 mm,
Effective Rainfall = 20 mm (after deducting losses due to runoff and deep percolation),
Crop Coefficient = 0.4,
Irrigation Efficiency = 0.5
The amount of irrigation water (in mm) to be applied to the field in that month, is
Ques 26 GATE 2020 SET-1
During the chlorination process, aqueous (aq) chlorine reacts rapidly with water to form Cl-, HOCl, and H+ as shown below:
Cl2(aq) + H2O ⇋ HOCl + Cl- + H+
The most active disinfectant in the chlorination process from amongst the following is _______.
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