Menu
Home / Mechanical Engineering / Hydraulics and Fluid Mechanics :: section-5

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 hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

    2. A.

     10 kg
    B.

     100 kg
    C.

     1000 kg
    D.

     1 kg

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Specific weight of water in S.I. units is equal to

    3. A.

     1000 N/m3
    B.

     10000 N/m3
    C.

     9.81 × 103 N/m3
    D.

     9.81 × 10⁶ N/m3

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. The specific weight of water in S.I. units is taken as

    4. A.

     9.81 kN/m3
    B.

     9.81 × 103 N/m3
    C.

     9.81 × 10-6 N/mm3
    D.

     Any one of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. A flow is called super-sonic if the

    5. A.

     Velocity of flow is very high
    B.

     Discharge is difficult to measure
    C.

     Mach number is between 1 and 6
    D.

     None of these

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. One liter of water occupies a volume of

    6. A.

     100 cm3
    B.

     250 cm3
    C.

     500 cm3
    D.

     1000 cm3

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. The variation in the volume of a liquid with the variation of pressure is called its

    7. A.

     Surface tension
    B.

     Compressibility
    C.

     Capillarity
    D.

     Viscosity

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. The unit of surface tension is

    8. A.

     N/m
    B.

     N/m2
    C.

     N/m3
    D.

     N-m

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. Unit of surface tension is

    9. A.

     Energy/unit area
    B.

     Velocity/unit area
    C.

     Both of the above
    D.

     It has no units

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Hydrometer is used to determine

    10. A.

     Specific gravity of liquids
    B.

     Specific gravity of solids
    C.

     Specific gravity of gases
    D.

     Relative humidity

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. The units of dynamic or absolute viscosity are

    11. A.

     Metres² per sec
    B.

     kg sec/meter
    C.

     Newton-sec per meter
    D.

     Newton-sec² per meter

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers