One dimensional flow
Streamline flow
Steady flow
Turbulent flow
B. Streamline flow
The metal piece will simply float over the mercury
The metal piece will be immersed in mercury by half
Whole of the metal piece will be immersed with its top surface just at mercury level
Metal piece will sink to the bottom
Gas law
Boyle's law
Charles law
Pascal's law
At the Centroid
Above the Centroid
Below the Centroid
At metacentre
Centre of pressure
Centre of buoyancy
Metacentre
None of these
h
wh
w/h
h/w
0.1 N-s/m2
1 N-s/m2
10 N-s/m2
100 N-s/m2
Equal to
Double
Three to four times
Five to six times
Higher
Lower
Same
None of these
Submerged body
Volume of the floating body
Volume of the fluid vertically above the body
Displaced volume of the fluid
Directly proportional to the area of the vessel containing liquid
Directly proportional to the depth of liquid from the surface
Directly proportional to the length of the vessel containing liquid
Inversely proportional to the depth of liquid from the surface
0.384 Cd × L × H1/2
0.384 Cd × L × H3/2
1.71 Cd × L × H1/2
1.71 Cd × L × H3/2
Q = Cd × a × 2gh
Q = (2/3). Cd × a × h
Q = (Cd × a)/√(2gh)
Q = (3Cd × a)/√(2h)
Surface tension
Adhesion
Cohesion
Viscosity
The resultant force acting on a floating body
The resultant force on a body due to the fluid surrounding it
Equal to the volume of liquid displaced
The force necessary to maintain equilibrium of a submerged body
Steady flow
Turbulent flow
Vortex flow
Uniform flow
The direction and magnitude of the velocity at all points are identical
The velocity of successive fluid particles, at any point, is the same at successive periods of time
The magnitude and direction of the velocity do not change from point to point in the fluid
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
Running full
Running free
Partially running full
Partially running free
Increase
Decrease
Remain same
Increase/decrease depending on depth of immersion
(v₁ - v₂)²/g
(v₁² - v₂²)/g
(v₁ - v₂)²/2g
(v₁² - v₂²)/2g
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid
None of the above
Up-thrust
Reaction
Buoyancy
Metacentre
Less than 2000
Between 2000 and 4000
More than 4000
Less than 4000
Half the depth
Half the breadth
Twice the depth
Twice the breadth
Supersonics, as with projectile and jet propulsion
Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect as with ship's hulls
All of the above
Remain unaffected
Increases
Decreases
None of these
Notch
Weir
Mouthpiece
Nozzle
The pressure below the nappe is atmospheric
The pressure below the nappe is negative
The pressure above the nappe is atmospheric
The pressure above the nappe is negative
4.1 s
5.2 s
10.4 s
14.1 s
Is uniform flow
Is steady uniform flow
Takes place in straight lines
Involves zero transverse component of flow
Does not change
Increases
Decreases
None of these