The total length (in km) of the existing National Highways in India is in the ra

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Question
The total length (in km) of the existing National Highways in India is in the range of
Options
A. 15, 000 to 25, 000
B. 25, 000 to 35, 000
C. 35, 000 to 45, 000
D. 45, 000 to 55, 000

Correct Answer

25, 000 to 35, 000

GATE Exam Questions problems

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2. A point load of 700 kN is applied on the surface of thick layer of clay. Using Boussinesq's elastic analysis, the estimated vertical stress (?_v) at a depth of 2 m and a radial distance of 1.0 m from the point of application of the load, is :
Options
A. 47.5 kPa
B. 47.6 kPa
C. 47.7 kPa
D. 47.8 kPa

4. The time for a clay layer to achieve 90% consolidation is 15 years. The time required to achieve 90% consolidation; if the layer were twice as thick, 3 times forr permeable and 4 times more compressible would be :
Options
A. 70 years
B. 75 years
C. 80 years
D. 85 years

5. The ratio of unconfined compressive strength of an undisturbed sample of soil to that of a remoulded sample, at the same water content, is known as :
Options
A. activity
B. damping
C. plasticity
D. sensitivity

6. A simply supported beam with an overhang is traversed by a unit concentrated moment from the left to the right as shown below

The influence line for reaction at B is given by
Options
A.
B.
C.
D. zero everywhere.

8. For an anisotropic soil, permeabilities in x and y directions are k_x and k_y respectively in a two dimensional flow. The effective permeability k_eq for the soil is given by
Options
A. k_x + k_y
B. k_x/k_y
C. (k_x² + k_y²)^1/2
D. (k_xk_y)^1/2

9. A parabolic curve is used to connect a 4% upgrade with a 2% downgrade as shown in the below figure. The highest point on the summit is at a distance of (measured horizontally from the first tangent point - (FTP)
Options
A. 50 m
B. 60 m
C. 75 m
D. 100 m

10. The ordinate of the Instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
Options
A. The slope of the 1-hour unit hydrograph at that time
B. The slope of the direct runoff unit hydrograph at that time
C. Difference in the slope of the S-curve and 1-hour unit hydrograph
D. The slope of the S-curve with effective rainfall intensity of 1 cm/hr

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