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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. If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is

    2. A.

     Same in both the tubes
    B.

     Greater in 1 mm dia tube
    C.

     Greater in 0.5 mm dia tube
    D.

     Zero in both the tubes

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  2. Boundary layer separation occurs when the

    3. A.

     Pressure reaches a minimum
    B.

     Cross-section of the channel is reduced
    C.

     Valve is closed in a pipeline
    D.

     Velocity of sound is reached

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  3. A stream line is

    4. A.

     Fixed in space in steady flow
    B.

     Always the path of particle
    C.

     Drawn normal to the velocity vector at every point
    D.

     A line connecting the mid points of flow cross-section

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  4. The unit of dynamic viscosity in SI unit is

    5. A.

     kg/m . sec
    B.

     N/m²
    C.

     m² /sec
    D.

     m/N. sec

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  5. The value of critical Reynolds number for pipe flow is

    6. A.

     1300
    B.

     10,000
    C.

     100,000
    D.

     None of these

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