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Mechanical Engineering :: Hydraulics and Fluid Mechanics

Hydraulics and Fluid Mechanics - Section 1
Hydraulics and Fluid Mechanics - Section 2
Hydraulics and Fluid Mechanics - Section 3
Hydraulics and Fluid Mechanics - Section 4
Hydraulics and Fluid Mechanics - Section 5
Hydraulics and Fluid Mechanics - Section 6
Hydraulics and Fluid Mechanics - Section 7
Hydraulics and Fluid Mechanics - Section 8
Hydraulics and Fluid Mechanics - section-5

  1. A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

    2. A.

    it is easier to see through the glass tube
    B.

    glass tube is cheaper than a metallic tube
    C.

    it is not possible to conduct this experiment with any other tube
    D.

    all of the above

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  2. The viscosity of a liquid is due to cohesion of its particles.

    3. A.

    Correct
    B.

    InCorrect

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  3. A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

    4. A.

    length of both the pipes is same
    B.

    diameter of both the pipes is same
    C.

    loss of head and discharge of both the pipes is same
    D.

    loss of head and velocity of flow in both the pipes is same

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  4. In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

    5. A.

    double
    B.

    four times
    C.

    eight times
    D.

    sixteen times

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  5. The viscosity of water is __________ than that of mercury.

    6. A.

    higher
    B.

    lower

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