A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/home.php

Line Number: 222

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: controllers/home.php

Line Number: 228

Hydraulics and Fluid Mechanics - Mechanical Engineering Questions and Answers
Home / Mechanical Engineering / Hydraulics and Fluid Mechanics :: Section 5

Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension)

  2. A.

    \(\frac { 4wd } { \sigma cos a }\)

    B.

    \(\frac { \sigma cos a } { 4wd } \)

    C.

    \(\frac {4 \sigma cos a } { wd } \)

    D.

    \(\frac { wd } { 4 \sigma cos a } \)

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

  4. A.

    less than twice

    B.

    more than twice

    C.

    less than three times

    D.

    more than three times

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. The volume of a fluid __________ as the pressure increases.

  6. A.

    remains same

    B.

    decreases

    C.

    increases

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. The pressure of the liquid flowing through the divergent portion of a venturimeter

  8. A.

    remains constant

    B.

    increases

    C.

    decreases

    D.

    depends upon mass of liquid

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The vacuum pressure can be measured with the help of a piezometer tube.

  10. A.

    True

    B.

    False

    View Answer

    Workspace

    Discuss Discuss in Forum