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Chemical Engineering :: Fluid Mechanics

Fluid Mechanics - Section 1
Fluid Mechanics - Section 2
Fluid Mechanics - Section 3
Fluid Mechanics - Section 4
Fluid Mechanics - Section 5
Fluid Mechanics - Section 6
Fluid Mechanics - Section 7
Fluid Mechanics - Section 8
Fluid Mechanics - Section 9
Fluid Mechanics - Section 10
Fluid Mechanics - Section 11
Fluid Mechanics - Section 12
Fluid Mechanics - Section 13
Fluid Mechanics - Section 14
Fluid Mechanics - Section 15
Fluid Mechanics - Section 16
Fluid Mechanics - Section-17
  1. The discharge through a venturimeter depends upon

    2. A.

     Pressure drop only
    B.

     Its orientation
    C.

     Co-efficient of contraction only
    D.

     None of these

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  2. Surge tanks are provided in high pressure water pipelines to

    3. A.

     Store a definte quantity ofwater all the time
    B.

     Reduce the water hammer
    C.

     Facilitate easy dismantling of pipeline for cleaning and maintenance
    D.

     None of these

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  3. Glass pipes can be joined by

    4. A.

     Flanges
    B.

     Welding
    C.

     Soldering
    D.

     Bell and spigot joint

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  4. The maximum head that can be developed by a single impeller is __________ ft.

    5. A.

     25
    B.

     100
    C.

     250-300
    D.

     1000

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  5. Diaphragm pumps are used to transport

    6. A.

     Solids
    B.

     Liquids
    C.

     Fluids
    D.

     Slurries

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  6. Pick out the correct statement pertaining to the flow through a converging-diverging tube.

    7. A.

     The value of Mach number is always unity at the throat
    B.

     No shock wave develops in the tube when the Mach number at exit is greater than unity
    C.

     Throughout the converging portion of the tube, the density increases in the downstream direction
    D.

     None of these

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  7. The discharge through a rectangular weir varies as

    8. A.

     H1/2
    B.

     H5/2
    C.

     H2/5
    D.

     H3/2

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  8. The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number.

    9. A.

     Increases
    B.

     Decreases
    C.

     Remains same
    D.

     May increase or decrease

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  9. The line of action of the buoyant force passes through the centre of gravity of the

    10. A.

     Submerged body
    B.

     Displaced volume of the fluid
    C.

     Volume of fluid vertically above the body
    D.

     Horizontal projection of the body

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  10. The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is

    11. A.

     0.1
    B.

     0.55
    C.

     0.95
    D.

     1.85

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