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Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
  • Question

  • The product of mass and accelaration of flowing liquid is called


  • Options
  • A. inertia force
  • B. viscous force
  • C. gravity force
  • D. pressure force

  • Correct Answer
  • inertia force 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. A manometer is used to measure

    • Options
    • A. atmospneric pressure
    • B. pressure in pipes and channels
    • C. pressure in venturimeter
    • D. difference of pressures between two points in a pipe
      • Discuss
    • 2. When the Mach number is between __________ the flow is called super-sonic flow.

    • Options
    • A. 1 and 2.5
    • B. 2.5 and 4
    • C. 4 and 6
    • D. 1 and 6
      • Discuss
    • 3. The pressure of the liquid flowing through the divergent portion of a venturimeter

    • Options
    • A. remains constant
    • B. increases
    • C. decreases
    • D. depends upon mass of liquid
      • Discuss
    • 4. A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 5. The torque required to overcome viscous resistance of a footstep bearing is (where ? = Viscosity of the oil, N = Speed of the shaft, R = Radius of the shaft, and t = Thickness of the oil film)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. A notch is used to measure __________ of liquids.

    • Options
    • A. pressure
    • B. discharge
    • C. velocity
    • D. volume
      • Discuss
    • 7. The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

    • Options
    • A. 4.1 s
    • B. 5.2 s
    • C. 10.4 s
    • D. 14.1 s
      • Discuss
    • 8. The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is

    • Options
    • A. 200 kg/m3
    • B. 400 kg/m3
    • C. 600 kg/m3
    • D. 800 kg/m3
      • Discuss
    • 9. The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice)

    • Options
    • A. Q = Cd x bH1 2gh
    • B. Q = Cd x bH2 2gh
    • C. Q = Cd x b ( H2 - H1 ) 2gh
    • D. Q = Cd x bH 2gh
      • Discuss
    • 10. According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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