Civil Engineering Gate 2025 Set-1 Questions with Answer

Ques 40 GATE 2025 SET-1


Two soils of permeabilities k1 and k2 are placed in a horizontal flow apparatus, as shown in the figure. For Soil 1, L1=50 cm, and k1=0.055 cm/s; for Soil 2, L2=30 cm, and k2=0.035 cm/s. The cross sectional area of the horizontal pipe is 100 cm2, and the head difference (Δh) is 150 cm. The discharge (in cm3/s) through the soils is ______ (rounded off to 2 decimal places).


(7.12) is the correct answer.

Ques 41 GATE 2025 SET-1


In the context of construction project management, which of the following statements is/are true:

A

A dummy activity will consume time and resources

B

The programme evaluation and review technique (PERT) is best suited for projects with large uncertainties in the duration of activities

C

A Gantt chart is commonly used for identifying the 'critical path' of activities in a project

D

Free float is the amount of time by which the start of an activity can be delayed without causing a delay in the start of a following activity


(b) is the correct answer.

Ques 42 GATE 2025 SET-1


As per IS 456:2000 provisions for two-way slabs with continuous edges, the longitudinal steel reinforcement to be provided in the edge strip is based on

A

the calculated minimum bending moment

B

the area of longitudinal steel provided in the middle strip in the shorter span

C

the area of longitudinal steel provided in the middle strip in the longer span

D

the prescribed minimum cross-sectional area of longitudinal steel for slabs


(a) is the correct answer.

Ques 43 GATE 2025 SET-1


Consider the frame shown in the figure under the loading of 100 kN.m couples at the joints B and G. Considering only the effects of flexural deformations, which of the following statements is/are true:

A

Axial force is zero in the member CD

B

Shear force is zero in the member CD

C

There is no rotation in the joint C

D

The magnitude of bending moment developed in the member BC at the end C is more than 50 kN.m


(a) is the correct answer.

Ques 44 GATE 2025 SET-1


In the rigid-jointed frame shown in the figure, the distribution factor of the member AD is closest to

A

0.254

B

0.267

C

0.398

D

0.421


(a) is the correct answer.

Ques 45 GATE 2025 SET-1


Consider the beam ACDEB given in the figure. Which of the following statements is/are correct:

A

Bending moment is zero between the points A and C

B

There is a sudden jump in shear force at the point D

C

There is a sudden jump in bending moment at the point E

D

Bending moment is zero somewhere between the points D and E


(a) is the correct answer.

Ques 46 GATE 2025 SET-1


For the beam and loading shown in the figure, the second derivative of the deflection curve of the beam at the mid-point of AC is given by αM0/(8EI). The value of α is ______ (rounded off to the nearest integer).


(5) is the correct answer.

Ques 47 GATE 2025 SET-1


Consider the rigid bar ABC supported by the pin-jointed links BD and CE and subjected to a load P at the end A, as shown in the figure. The axial rigidities of BD and CE are 22500 kN and 15000 kN, respectively. If CE elongates by 5 mm due to the load P, the magnitude of the downward deflection (in mm) of the end A would be ______ (rounded off to the nearest integer).


(10) is the correct answer.

Ques 48 GATE 2025 SET-1


Consider a reinforced concrete beam section of 300 mm width and 700 mm depth. The beam is reinforced with the tension steel of 2000 mm2 area at an effective cover of 50 mm. Concrete in the tension zone is assumed to be cracked. Assume the modular ratio of 12 and Young's modulus of 200 GPa for steel. When the extreme fibre in the compression zone undergoes the strain of 0.0004 due to the applied bending moment, the stress in the steel (in MPa) is ______ (rounded off to the nearest integer).


(64) is the correct answer.

Ques 49 GATE 2025 SET-1


Consider the beam section shown in the figure, with y indicating the depth of neutral axis (NA). The section is only subjected to an increasing bending moment. It is given that y̅=18.75 mm, when the section has not yielded at the top and bottom fibres. Further, y decreases to 5 mm, when the entire section has yielded. The shape factor of the section is ______ (rounded off to 2 decimal places).


(1.40) is the correct answer.

Ques 50 GATE 2025 SET-1


Consider the built-up column made of two I-sections as shown in the figure, with each batten plate bolted to a component I-section of the column through 6 black bolts. Each connection of the batten plate with the component section is to be designed for a longitudinal shear of 70 kN and moment of 10 kN.m. The minimum bolt value required (in kN) is ______ (rounded off to the nearest integer).


(23) is the correct answer.

Ques 51 GATE 2025 SET-1


If the horizontal distance between a staff point and the point of observation is d, the error due to the curvature of earth is proportional to

A

1/d

B

1/d2

C

d

D

d2


(d) is the correct answer.

Ques 52 GATE 2025 SET-1


If the quadrantal bearing of a line is N30°W then the whole circle bearing of the line is

A

120°

B

210°

C

300°

D

330°


(d) is the correct answer.

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