Civil Engineering Gate 2025 Set-2 Questions with Answer

Ques 40 GATE 2025 SET-2


The bank of a canal has the profile shown in the figure. The material is a homogeneous clay with a bulk unit weight of 20 kN/m3, undrained cohesion of 30 kPa and it is fully saturated (φu=0). For the trial slip circle shown, the area ABCDEA is 150 m2 and the centroid is at P. A tension crack (DE) of 2.5 m deep was also observed. Assume unit weight of water is 9.81 kN/m3 and consider 1 m run of the bank for the analysis.
Considering the canal is empty and tension crack is completely filled with water, the factor of safety against slope failure of the bank is ______ (round off to two decimal places).


(1.45) is the correct answer.

Ques 41 GATE 2025 SET-2


A designer used plate load test to obtain the value of the bearing capacity factor Nγ. A circular plate of 1 m diameter was placed on the surface of a dry sand layer extending very deep beneath the ground. The unit weight of the sand is 16.66 kN/m3. The plate is loaded to failure at a pressure of 1500 kPa.
Considering Terzaghi's bearing capacity theory, the bearing capacity factor Nγ is ______ (round off to the nearest integer).


(40) is the correct answer.

Ques 42 GATE 2025 SET-2


A 4×4 group pile, with each pile 20 m long and 500 mm in diameter, is installed in a square pattern in a clayey soil, as shown in the figure. The average unconfined compressive strength of the soil is 100 kN/m2, and the adhesion factor is 0.8. Neglect the bearing at the tip of the piles. For a group efficiency factor of 1.0, the centre to centre spacing (s) of the piles (in m) would be ______ (round off to two decimal places).


(1.5) is the correct answer.

Ques 43 GATE 2025 SET-2


The figure shows a network diagram for a construction project. The activities A, B, C, D, E, and F are represented by arrows and their durations are in the figure.
The total float available for the activity E in day(s) is equal to ______ (round off to the nearest integer).


(2) is the correct answer.

Ques 44 GATE 2025 SET-2


Let the state of stress at a point in a body be the difference of two plane states of stress shown in the figure. Consider all the possible planes perpendicular to the x-y plane and passing through that point. The magnitude of the maximum compressive stress on any such plane is kσ0, where k is equal to ______ (round off to one decimal place).


(3.0) is the correct answer.

Ques 45 GATE 2025 SET-2


Consider the pin-jointed truss shown in the figure. Influence line is drawn for the axial force in the member G-I, when a unit load travels on the bottom chord of the truss. Identify the CORRECT influence line from the following options:
Note: Positive value corresponds to tension and negative value corresponds to compression in the member.

A

B

C

D


(c) is the correct answer.

Ques 46 GATE 2025 SET-2


The design shear strength of a reinforced concrete rectangular beam with a width of 250 mm and an effective depth of 500 mm, is 0.3 MPa. The torsional moment capacity of the section (in kN.m) under pure torsion, as per IS 456:2000, is ______ (round off to one decimal place).


(33.5) is the correct answer.

Ques 47 GATE 2025 SET-2


A circular tube of thickness 10 mm and diameter 250 mm is welded to a flat plate using 5 mm fillet weld along the circumference. Assume Fe410 steel and shop welding.
As per IS 800:2007, the torque that can be resisted by the weld (in kN.m) is ______ (round off to one decimal place).


(65.1) is the correct answer.

Ques 48 GATE 2025 SET-2


The figure shows a propped cantilever with uniform flexural rigidity EI (in N.m2) and subjected to a moment M (in N.m). Consider forces and displacements in the upward direction as positive.
Find the upward reaction at the propped support B (in N) when this support settles by (-Δ) given in metres.

A

(3M)/(2L) - (6EIΔ)/(L3)

B

(8M)/(3L) - (2EIΔ)/(L3)

C

(3M)/(2L) - (3EIΔ)/(L3)

D

M/L - (8EIΔ)/(L3)


(a) is the correct answer.

Ques 49 GATE 2025 SET-2


Consider a reinforced concrete beam section of 350 mm width and 600 mm depth. The beam is reinforced with the tension steel of 800 mm2 area at an effective cover of 40 mm. Consider M20 concrete and Fe415 steel. Let the stress block considered for concrete in IS 456:2000 be replaced by an equivalent rectangular stress block, with no change in (a) the area of the stress block, (b) the design strength of concrete (at the strain of 0.0035), and (c) the location of neutral axis at flexural collapse. The ultimate moment of resistance of the beam (in kN.m) is ______ (round off to the nearest integer).


(148) is the correct answer.

Ques 50 GATE 2025 SET-2


In the pin-jointed truss shown in the figure, the members that carry zero force are identified. Which of the following options is/are zero-force members?

A

BC

B

EG

C

FI

D

JK


(c) is the correct answer.

Ques 51 GATE 2025 SET-2


A steel beam supported by three parallel pin-jointed steel rods is shown in the figure. The moment of inertia of the beam is 8×107 mm4. Take modulus of elasticity of steel as 210 GPa. The beam is subjected to uniformly distributed load of 6.25 kN/m including its self-weight.
The axial force (in kN) in the centre rod CD is ______ (round off to one decimal place).


(10.0) is the correct answer.

Ques 52 GATE 2025 SET-2


A reinforced concrete beam has a support section with width of 300 mm and effective depth of 500 mm. The support section is reinforced with 3 bars of 20 mm diameter at the tension side. Two-legged vertical stirrups of 10 mm diameter and Fe415 steel at a spacing of 100 mm are provided as shear reinforcement. Assume that there is no possibility of diagonal compression failure at the section.
As per IS 456:2000, the maximum shear resisted by the vertical stirrups (in kN), as per limit state design, is ______ (round off to one decimal place).


(115.5) is the correct answer.

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