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  • Question

  • For an anisotropic soil, permeabilities in x and y directions are kx and ky respectively in a two dimensional flow. The effective permeability keq for the soil is given by


  • Options
  • A. kx + ky
  • B. kx/ky
  • C. (kx2 + ky2)1/2
  • D. (kxky)1/2

  • Correct Answer
  • (kxky)1/2 

    • GATE Exam Questions problems

    Search Results

    • 1. Shear centre for an angle-purlin as shown in the below figure is located at,

    • Options
    • A. X
    • B. Y
    • C. Z
    • D. none
      • Discuss
    • 2. 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.
      • Discuss
    • 3. 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
      • Discuss
    • 4. The sequent depth ratio of a hydraulic jump in a rectangular horizontal channel is 10.30. The Froude Number at the beginning of the jump is :

    • Options
    • A. 5.64
    • B. 7.63
    • C. 8.05
    • D. 13.61
      • Discuss
    • 5. 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
      • Discuss
    • 6. 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
      • Discuss
    • 7. 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
      • Discuss
    • 8. The plan of stairs supported at each end by landings spanning parallel with risers is shown in the below figure. The effective span of staircase slab is

    • Options
    • A. 3000 mm
    • B. 4600 mm
    • C. 4750 mm
    • D. 6400 mm
      • Discuss
    • 9. Chemical oxygen Demand (COD) of a sample is always greater than Biochemical Oxygen Demand (BOD) since it represents :

    • Options
    • A. biodegradable organic matter only
    • B. biodegradable and non-biodegradable organic matter
    • C. non-biodegradable organic matter
    • D. inorganic matter
      • Discuss
    • 10. Rotational stiffness-coefficient, K11 for the frame having two members of equal EI/l is given by :

    • Options
    • A. 5 EI/l
    • B. 6 EI/l
    • C. 7 EI/l
    • D. 8 EI/l
      • Discuss

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