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  • Question
  • With the usual meanings ofletters, the equation With the usual meanings ofletters, the equation is used for determining the velocity of ground water is used for determining the velocity of ground water flow in metres per day. It is known as


  • Options
  • A. Meinzer's formula
  • B. Slichter's formula
  • C. Darcy's formula
  • D. Hazen's formula.

  • Correct Answer
  • Slichter's formula 


  • More questions

    • 1. For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is

    • Options
    • A.
    • B.
    • C. ?D2t fs
    • D.
    • Discuss
    • 2. To double the period of oscillation of a simple pendulum

    • Options
    • A. the mass of its bob should be doubled
    • B. the mass of its bob should be quadrupled
    • C. its lenght should be quadrupled
    • D. its length should be doubled.
    • Discuss
    • 3. Assertion (A) : The minimum self cleansing velocity in the sewer, at least once a day, must be generated.

      Reason (R) : If certain deposition takes place and is not removed, it obstructs free flow and causes further deposition leading to complete blocking of the sewer.


    • Options
    • A. Both A and R are true and R is the correct explanation of A
    • B. Both A and R are true but R is not a correct explanation of A
    • C. A is true but R is false
    • D. A is false but R is true.
    • Discuss
    • 4. The most commonly used synthetic abrasive is

    • Options
    • A. aluminium carbide
    • B. boric acid
    • C. silicon
    • D. All of these.
    • Discuss
    • 5. Due to the impact of water wave on a sea shore structure

    • Options
    • A. hydrostatic pressure coupled with a strong momentary impact is caused
    • B. vibrations are subjected
    • C. internal pressure is developed
    • D. weakens the foundation
    • E. all of the above.
    • Discuss
    • 6. The relationship between the length (l) and radius (r) of an ideal transition curve is given by

    • Options
    • A. l ? r
    • B. l ? r2
    • C. l ? 1/r
    • D. l ? 1/r2
    • Discuss
    • 7. At upper culmination, the pole star moves

    • Options
    • A. eastward
    • B. westward
    • C. northward
    • D. southward.
    • Discuss
    • 8. According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on an other medium (refractive index m2);

    • Options
    • A. the angle of incidence is equal to the angle of refraction
    • B. the angle of refraction (?r) is given by
    • C. Both (a) and (b)
    • D. neither (a) nor (b)
    • Discuss
    • 9. The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is

    • Options
    • A. rounded aggregate
    • B. irregular aggregate
    • C. angular aggregate
    • D. flaky aggregate
    • E. none of these.
    • Discuss
    • 10. Contours of different elevations may cross each other only in the case of

    • Options
    • A. an over hanging cliff
    • B. a vertical cliff
    • C. a saddle
    • D. an inclined plane.
    • Discuss


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