Civil Engineering Gate 2025 Set-1 Questions with Answer

Ques 27 GATE 2025 SET-1

The figures I, II and III are parts of a sequence. Which one of the following options comes next in the sequence at IV?

(a) is the correct answer.

Ques 28 GATE 2025 SET-1

""Why do they pull down and do away with crooked streets, I wonder, which are my delight, and hurt no man living? Every day the wealthier nations are pulling down one or another in their capitals and their great towns: they do not know why they do it; neither do I. It ought to be enough, surely, to drive the great broad ways which commerce needs and which are the life-channels of a modern city, without destroying all history and all the humanity in between: the islands of the past.""
(From Hilaire Belloc's ""The Crooked Streets"")
Based only on the information provided in the above passage, which one of the following statements is true?

The author of the passage takes delight in wondering.

The wealthier nations are pulling down the crooked streets in their capitals.

In the past, crooked streets were only built on islands.

Great broad ways are needed to protect commerce and history.

(b) is the correct answer.

Ques 29 GATE 2025 SET-1

Rohit goes to a restaurant for lunch at about 1 PM. When he enters the restaurant, he notices that the hour and minute hands on the wall clock are exactly coinciding. After about an hour, when he leaves the restaurant, he notices that the clock hands are again exactly coinciding. How much time (in minutes) did Rohit spend at the restaurant?

64(6/11)

66(5/13)

65(5/11)

66(6/13)

(a) is the correct answer.

Ques 30 GATE 2025 SET-1

A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K).
Which one of the following options displays the color codes that are consistent with the color model?

(a) is the correct answer.

Ques 31 GATE 2025 SET-1

A circle with center at (x,y)=(0.5,0) and radius =0.5 intersects with another circle with center at (x,y)=(1,1) and radius =1 at two points. One of the points of intersection (x, y) is:

(0,0)

(0.2, 0.4)

(0.5, 0.5)

(1,2)

(a) is the correct answer.

Ques 32 GATE 2025 SET-1

An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of 2π/n, is identical to the original.
Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
Note: The figures shown are representative.

(a) is the correct answer.

Ques 33 GATE 2025 SET-1

The results of a consolidated drained triaxial test on a normally consolidated clay are shown in the figure. The angle of internal friction is

sin^-1(1/2)

sin^-1(1/3)

sin^-1(2/3)

sin^-1(3/4)

(b) is the correct answer.

Ques 34 GATE 2025 SET-1

The standard plasticity chart for the classification of a fine-grained soil is shown in the figure. As per the Indian standard soil classification system, X represents

inorganic clay with medium plasticity

inorganic silt with medium plasticity

inorganic clay with high plasticity

inorganic silt with high compressibility

(a) is the correct answer.

Ques 35 GATE 2025 SET-1

In an oedometer apparatus a specimen of fully saturated clay has been consolidated under a vertical pressure of 100 kPa and is at equilibrium state. Immediately on increasing the vertical pressure to 150 kPa, the effective stress σ' and excess pore water pressure Δu will be

σ'=50 kPa Δu=100kPa

σ'=100 kPa, Δu=50 kPa

σ'=150 kPa, Δu=50 kPa

σ'=100kPa Δu=150 kPa

(b) is the correct answer.

Ques 36 GATE 2025 SET-1

A cut slope is made in a silty clay soil for a new road project, as shown in the figure. The locations of ground water table (GWT) and potential failure surface are shown in the figure. After the cut is made, the excess pore water pressure is fully dissipated, and the shear stress at the point A is 60 kN/m². The factor of safety at the point A for long-term stability is ______ (rounded off to 2 decimal places).
Note:
Shear strength properties of silty clay: c'=15 kN/m², φ'=15°, and c_H=75 kN/m²
Unit weight of soil above the GWT (γ)=19 kN/m³
Unit weight of soil below the GWT (γ_sat)=20 kN/m³
Unit weight of water (γ_w)=9.81 kN/m³

(1.33) is the correct answer.

Ques 37 GATE 2025 SET-1

A 6m × 6m square footing constructed in clay is subjected to a vertical load of 2500 kN at its centre. The base of the footing is 2 m below the ground surface, as shown in the figure. The footing is made of 2 m thick concrete. The ground water table is at a great depth. Considering Terzaghi's bearing capacity theory, the factor of safety of footing against the bearing capacity failure is ______ (rounded off to 2 decimal places).
Note:
Unit weight of concrete =24 kN/m³
Properties of clay: c=50 kN/m², φ=0°, and γ=19 kN/m³
For φ=0°; N_c=5.7, N_q=1, N_γ=0

(1.62) is the correct answer.

Ques 38 GATE 2025 SET-1

A clayey soil has a moisture content of 18%, a specific gravity of soil solids of 2.74, and a degree of saturation of 65%. The soil soaks up water during a rain event, and the degree of saturation increases to 85.2%. The change of the volume during the soaking is negligible. The new moisture content (in %) of the soil will be ______ (rounded off to 2 decimal places).

(23.63) is the correct answer.

Ques 39 GATE 2025 SET-1

A single pile with 450 mm diameter has been driven into a homogeneous clay layer, which has an undrained cohesion (c_u) of 20 kPa and unit weight of 18 kN/m³. The ground water table is found to be at the surface of the clay layer. The adhesion factor (α) of the soil is 0.95 and bearing capacity factor (N_c) is 9. The pile is supporting a column load of 144 kN with a factor of safety of 3.0 against ultimate axial pile capacity in compression.
The required embedment depth of the pile (in m) is ______ (rounded off to the nearest integer).

(10) is the correct answer.

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