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  • Question

  • In a depressed nappe


  • Options
  • A. the pressure below the nappe is atmospheric
  • B. the pressure below the nappe is negative
  • C. the pressure above the nappe is atmospheric
  • D. the pressure above the nappe is negative

  • Correct Answer
  • the pressure below the nappe is negative 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. The maximum efficiency of transmission through a pipe is

    • Options
    • A. 50%
    • B. 56.7%
    • C. 66.67%
    • D. 76.66%
      • Discuss
    • 2. In a free nappe,

    • Options
    • A. the pressure below the nappe is atmospheric
    • B. the pressure below the nappe is negative
    • C. the pressure above the nappe is atmospheric
    • D. the pressure above the nappe is negative
      • Discuss
    • 3. The centre of gravity of the volume of the liquid displaced is called

    • Options
    • A. centre of pressure
    • B. centre of buoyancy
    • C. metacentre
    • D. none of these
      • Discuss
    • 4. The discharge through a siphon spillway is

    • Options
    • A. Cd x a2gH
    • B. Cd x a2g x H3/2
    • C. Cd x a2g x H2
    • D. Cd x a2g x H5/2
      • Discuss
    • 5. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 6. One litre of water occupies a volume of

    • Options
    • A. 100 cm3
    • B. 250 cm3
    • C. 500 cm3
    • D. 1000 cm3
      • Discuss
    • 7. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)

    • Options
    • A. wH
    • B. wH/2
    • C. wH2/2
    • D. wH2/3
      • Discuss
    • 8. A manometer is used to measure

    • Options
    • A. low pressure
    • B. moderate pressure
    • C. high pressure
    • D. atomospheric pressure
      • Discuss
    • 9. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

    • Options
    • A. The bodies A and B have equal stability
    • B. The body A is more stable than body B
    • C. The body B is more stable than body A
    • D. The bodies A and B are unstable
      • Discuss
    • 10. The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

    • Options
    • A. Cd 2g x H
    • B. Cd 2g x H3/2
    • C. Cd 2g x H2
    • D. Cd 2g x H5/2
      • Discuss

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