logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Hydraulics and Fluid Mechanics Comments

  • Question
  • The density of a liquid in kg/m3 is numerically equal to its specific gravity.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Hydraulics and Fluid Mechanics problems


    Search Results


    • 1. When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

    • Options
    • A. concave
    • B. convex
    • Discuss
    • 2. The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

    • Options
    • A. 0.34 times
    • B. 0.67 times
    • C. 0.81 times
    • D. 0.95 times
    • Discuss
    • 3. In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be

    • Options
    • A. double
    • B. four times
    • C. eight times
    • D. sixteen times
    • Discuss
    • 4. A flow in which each liquid particle has a definite path, and the paths of individual particles do not cross each other, is called

    • Options
    • A. steady flow
    • B. uniform flow
    • C. streamline flow
    • D. turbulent flow
    • Discuss
    • 5. A vessel of 4 m3 contains an oil which weighs 30 kN. The specific weight of the oil is

    • Options
    • A. 4.5 kN/m3
    • B. 6 kN/m3
    • C. 7.5 kN/m3
    • D. 10 kN/m3
    • Discuss
    • 6. Bulk modulus of a fluid is the ratio of

    • Options
    • A. shear stress to shear strain
    • B. increase in volume to the viscosity of fluid
    • C. increase in pressure to the volumetric strain
    • D. critical velocity to the viscosity of fluid
    • Discuss
    • 7. Froude's number is the ratio of inertia force to

    • Options
    • A. pressure force
    • B. elastic force
    • C. gravity force
    • D. surface tension force
    • Discuss
    • 8. An orifice is said to be large, if

    • Options
    • A. the size of orifice is large
    • B. the velocity of flow is large
    • C. the available head of liquid is more than 5 times the height of orifice
    • D. the available head of liquid is less than 5 times the height of orifice
    • Discuss
    • 9. A structure used to dam up a stream or river over which the water flows is called

    • Options
    • A. orifice
    • B. notch
    • C. weir
    • D. dam
    • Discuss
    • 10. Select the wrong statement

    • Options
    • A. An equivalent pipe is treated as an ordinary pipe for all calculations
    • B. The length of an equivalent pipe is equal to that of a compound pipe
    • C. The discharge through an equivalent pipe is equal to that of a compound pipe
    • D. The diameter of an equivalent pipe is equal to that of a compound pipe
    • Discuss


    Comments

    There are no comments.

Enter a new Comment