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Home ‣ Civil Engineering ‣ GATE Exam Questions See What Others Are Saying!
  • 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 

    • More questions

    • 1. Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds

    • Options
    • A. 2.0%
    • B. 2.5%
    • C. 4.0%
    • D. 5.0%
      • Discuss
    • 2. The GPS space segment consists of Navigation Satellite Timing and Ranging whose number is :

    • Options
    • A. 8
    • B. 12
    • C. 16
    • D. 24
      • Discuss
    • 3. Drop manholes at the junctions of sewer lines, are provided if

    • Options
    • A. invert level of a branch sewer is more than 60 cm that of the main sewer
    • B. sewer line runs along a main road
    • C. ordinary manhole cannot be built
    • D. two sewer lines intersect.
      • Discuss
    • 4. If dry density, water density and specific gravity of solids of a given soil sample are 1.6 g/cc, 1.84 g/cc and 2.56 respectively, the porosity of the soil sample, is

    • Options
    • A. 0.375
    • B. 0.370
    • C. 0.380
    • D. 0.390
      • Discuss
    • 5. 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
    • 6. The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known

    • Options
    • A. a simple curve
    • B. a compound curve
    • C. a reverse curve
    • D. a vertical curve.
      • Discuss
    • 7. Pick up the incorrect statement from the following for allowing workers to enter sewers

    • Options
    • A. The particular manhole and one manhole on up stream and one manhole on down stream should remain open for 30 minutes
    • B. Proper tests for the presence of poisonous gases must be carried out
    • C. The men entering the manhole should be advised to smoke in the sewer
    • D. Warning signals should be erected
    • E. None of these.
      • Discuss
    • 8. Shear strain energy theory for the failure of a material at elastic limit, is due to

    • Options
    • A. Rankine
    • B. Guest or Trecas
    • C. St. Venant
    • D. Haig
    • E. Von Mises.
      • Discuss
    • 9. The specifications of a cement bag for storage, are

    • Options
    • A. weight 50 kg
    • B. height 18 cm
    • C. plan area 3000 sq. cm
    • D. volume 35 litres
    • E. all the above.
      • Discuss
    • 10. The strain energy due to volumetric strain

    • Options
    • A. is directly proportional to the volume
    • B. is directly proportional to the square of exerted pressure
    • C. is inversely proportional to Bulk modulus
    • D. all the above.
      • Discuss

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