Home / Civil Engineering / Hydraulics :: Section 6

Civil Engineering :: Hydraulics

  1. In flowing liquids pitot tubes are used measure

  2. A.
    discharge
    B.
    pressure
    C.
    velocity
    D.

    depth.


  3. Capillary rise of water is

  4. A.

    directly proportional to surface tension

    B.

    inversely proportional to water density

    C.

    inversely proportional to diameter of the tube

    D.

    All of these.


  5. A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water

  6. A.

    rises on the front side of the tank

    B.

    falls on the back side of the tank

    C.

    remains the same at both sides of the tank

    D.
    rises on the back side and falls on the front side
    E.

    none of these.


  7. The dimensional formula of force is

  8. A.
    MLT-2
    B.

    M-1LT2

    C.

    ML-2T

    D.

    M-1L2T-2

    E.

    none of these.


  9. An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to

  10. A.

    1.25%

    B.

    1.5%

    C.

    1.75%

    D.

    2.25%


  11. Orifice-meter is used to measure

  12. A.

    pressure at the point

    B.

    discharge

    C.

    average speed

    D.

    velocity.


  13. Pick up the correct statement from the following :

  14. A.

    Dimensional homogeneity means the dimensions of each term in an equation on both sides are equal

    B.

    Dimensionally homogeneous equations are independent of the system of units

    C.

    In dimensionally homogeneous equation, the powers of fundamental dimensions on either side of the equation are identical

    D.

    All the above


  15. The ratio of inertia force of a flowing fluid and the viscous force of the liquid is called :

  16. A.

    Renold's number

    B.
    Froude's number
    C.

    Euler's number

    D.

    Weber's number.


  17. For an irrotational flow, the equation \(\frac { \delta^2\varphi } {X^2\delta} \)+\(\frac { \delta^2\varphi } {Y^2\delta} \) = 0 is given by 

  18. A.

    Cauchy-Riemann

    B.

    Reynold

    C.

    Laplaces

    D.
    Bernoulli.

  19. Water belongs to

  20. A.

    Newtonian fluids

    B.

    non-Newtonian fluids

    C.

    compressible fluid

    D.

    none of these.