HYDRAULICS & FLUID MECHANICS QUIZ

the weight of the body

weight of the fluid displaced by the body

less than the weight of the body

more than the weight of the body

it is the best liquid

the height of barometer will be less

its vapour pressure is so low that it may be neglected

both (B) and (C)

Local atmospheric pressure is always below standard atmospheric pressure

Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

Local atmospheric pressure depends upon elevation of locality only

A barometer reads the difference be-tween local and standard atmospheric pressure

inviscous and compressible

inviscous

incompressible

inviscous and incompressible

2 m/sec

25 m/sec

50 m/sec

10 m/sec

(i) and (ii)

(i)and(iv)

(ii) and (iii)

(ii) and (iv)

lift

boundary layer

drag

wake

the magnitude and direction of the velocity do not change from point to point in the fluid

the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

the direction and magnitude of the velocity at all points are identical

the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

center of gravity of any submerged body

center of the volume of floating body

centroid of the volume of fluid vertically above the body

centriod of the displaced volume of fluid

center of buoyancy and e.g. must lie on same vertical plane

All of these

a righting couple should be formed

meta center should be above e.g.