0.855 a.√(2gH)
1.855 aH.√(2g)
1.585 a.√(2gH)
5.85 aH.√(2g)
A. 0.855 a.√(2gH)
High velocity
High pressure
Weak material
Low pressure
In a compressible flow, the volume of the flowing liquid changes during the flow
A flow, in which the volume of the flowing liquid does not change, is called incompressible flow
When the particles rotate about their own axes while flowing, the flow is said to be rotational flow
All of the above
Surface tension force
Viscous force
Gravity force
Elastic force
One
Two
Three
Four
p/sinα
2p/sinα
p/2sinα
2p/sin (α/2)
10 m/sec
25 m/sec
2 m/sec
50 m/sec
Does not change
Increases
Decreases
None of these
Viscosity
Air resistance
Surface tension forces
Atmospheric pressure
Increase
Remain unaffected
May increase or decrease depending on the characteristics of liquid
Decrease
Reynold's number
Froude's number
Mach number
Euler's number
Dynamic viscosity/density
Dynamic viscosity × density
Density/dynamic viscosity
1/dynamic viscosity × density
Has the dimensions of 1/pressure
Increases with pressure
Is large when fluid is more compressible
Is independent of pressure and viscosity
Meta center
Center of pressure
Center of buoyancy
Center of gravity
Neutral
Stable
Unstable
None of these
Steady flow
Uniform flow
Streamline flow
Turbulent flow
At the inlet
At the outlet
At the summit
At any point between inlet and outlet
At the Centroid
Above the Centroid
Below the Centroid
At metacentre
Metacentre
Center of pressure
Center of buoyancy
Center of gravity
Tension at the base
Overturning of the wall or dam
Sliding of the wall or dam
All of these
Less than
Same as
More than
None of these
Same as
Less than
More than
None of these
Concave
Convex
Plane
None of these
Weber's number is the ratio of inertia force to elastic force.
Weber's number is the ratio of gravity force to surface tension force.
Weber's number is the ratio of viscous force to pressure force.
Weber's number is the ratio of inertia force to surface tension force.
(2/3) Cd × L.√2g [H1 - Ha]
(2/3) Cd × L. √2g [H1 3/2 - Ha 3/2]
(2/3) Cd × L.√2g [H1 2 - Ha 2]
(2/3) Cd × L. √2g [H1 5/2 - Ha 5/2]
0.5
0.4
0.515
0.5
Incompressible
Viscous and incompressible
Inviscous and compressible
Inviscous and incompressible
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
Surface tension
Adhesion
Cohesion
Viscosity
500 kg
1000 kg
1500 kg
2000 kg
Higher than the surface of liquid
The same as the surface of liquid
Lower than the surface of liquid
Unpredictable