Hydraulics And Fluid Mechanics In Me - Study Mode
[#411] Mercury does not wet glass. This is due to property of liquid known as
Correct Answer
(C) Surface tension
[#412] With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will
Correct Answer
(A) Decrease
[#413] The relation between hydraulic efficiency ($${eta _{ ext{h}}}$$), mechanical efficiency ($${eta _{ ext{m}}}$$) and overall efficiency ($${eta _{ ext{o}}}$$) is
Correct Answer
(C) $${eta _{ ext{o}}} = {eta _{ ext{h}}} imes {eta _{ ext{m}}}$$
[#414] In open channels, the specific energy is the
Correct Answer
(B) Total energy measured with respect to the datum passing through the bottom of the channel
[#415] The force of buoyancy is always __________ the weight of the liquid displaced by the body.
Correct Answer
(A) Equal to