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  • Question

  • The radius of gyration of the water line of a floating ship is 4 m and its metacentric height is 72.5 cm. The period of oscillation of the ship, is


  • Options
  • A. ?
  • B. 2?
  • C. 3?
  • D. 4?
  • E. ?/2

  • Correct Answer
  • 3? 

    • Hydraulics problems

    Search Results

    • 1. If the total head of the nozzle of a pipe is 37.5 m and discharge is 1 cumec, the power generated is

    • Options
    • A. 400 H.P.
    • B. 450 H.P.
    • C. 500 H.P.
    • D. 550 H.P.
      • Discuss
    • 2. The momentum correction factor (?) for the viscous flow through a circular pipe is

    • Options
    • A. 1.25
    • B. 1.33
    • C. 1.50
    • D. 1.66
    • E. 2.00
      • Discuss
    • 3. Reynold number is the ratio of initial force and

    • Options
    • A. viscosity
    • B. elasticity
    • C. gravitational force
    • D. surface tension.
      • Discuss
    • 4. The diameter (d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. The time required to close a valve gradually is (where L is the length of pipe and C = velocity of pressure wave)

    • Options
    • A.
    • B. ?
    • C. >
    • D. <
      • Discuss
    • 6. If D is the diameter of a pipe of length L and f is the coefficient of friction of pipe then diameter of the nozzle d is

    • Options
    • A.
    • B.
    • C.
    • D. none of these.
      • Discuss
    • 7. An independent mass of a fluid does not posses

    • Options
    • A. elevation energy
    • B. kinetic energy
    • C. pressure energy
    • D. none of these.
      • Discuss
    • 8. While applying the Bernoulli's equation = total head, the work any section done on the flow system, if any

    • Options
    • A. is added on the right side of the equation
    • B. is added on the left side of the equation
    • C. is ignored
    • D. none of these.
      • Discuss
    • 9. Critical depth (h) of a channel, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Discharge Q over a rectangular weir of length L and height H, is given by the equation

    • Options
    • A. Q = 2/3 Cd2g LH3/2
    • B. Q = 2/3 CdL H2gH
    • C.
    • D. all the above.
      • Discuss

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