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  • Question
  • If the volume of a liquid weighing 3000 kg is 4 cubic metres, 0.75 is its


  • Options
  • A. specific weight
  • B. specific mass
  • C. specific gravity
  • D. none of these.

  • Correct Answer
  • specific gravity 


  • Hydraulics problems


    Search Results


    • 1. Inside pressure in a hollow soap bubble in the air is : (where d is the diameter of the bubble)

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 2. The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is

    • Options
    • A. 0.5
    • B. 0.75
    • C. 1.25
    • D. 2.00
    • Discuss
    • 3. Hydrostatic pressure on a dam depends upon its

    • Options
    • A. length
    • B. depth
    • C. shape
    • D. material
    • E. both (b) and (c).
    • Discuss
    • 4. Most economical section of a circular channel for maximum discharge

    • Options
    • A. depth of water = 0.95 diameter of circular section
    • B. hydraulic mean depth = 0.286 diameter of circular section
    • C. wetted perimeter = 2.6 diameter of circular section
    • D. wetted perimeter = 2.83 depth of water
    • E. all the above.
    • Discuss
    • 5. Euler's equation for motion of liquids, is given by

    • Options
    • A.
    • B.
    • C.
    • D. ?dp + gdz + vdv = 0
    • Discuss
    • 6. The maximum vacuum created at the summit of a syphon is

    • Options
    • A. 2.7 m of water
    • B. 7.4 m of water
    • C. 5.5 m of water
    • D. none.
    • Discuss
    • 7. The Empirical formula for discharge over large rectangular weirs, is known as

    • Options
    • A. Francis formula
    • B. Bazin formula
    • C. Rehbook formula
    • D. Kutter's formula.
    • Discuss
    • 8. A cylinder 3 m in diameter and 4 m long retains water one side as shown in the below figure. If the weight of the cylinder is 2000 kgf, the horizontal reaction at B is

    • Options
    • A. 10,000 kgf
    • B. 15,000 kgf
    • C. 20,000 kgf
    • D. 18,000 kgf.
    • Discuss
    • 9. The moment of inertia of a floating body along its longitudinal axis and the volume of water displaced by it are I and V respectively. The height of the metacentre above centre of buoyancy of the body, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
    • Discuss
    • 10. The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid, if

    • Options
    • A. area is horizontal
    • B. area is vertical
    • C. area is inclined
    • D. all the above.
    • Discuss


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