Surface tension
Cohesion of the liquid
Adhesion of the liquid molecules and the molecules on the surface of a solid
All of the above
D. All of the above
The metacentre should lie above the center of gravity
The center of buoyancy and the center of gravity must lie on the same vertical line
A righting couple should be formed
All the above are correct
Incompressible
Viscous and incompressible
Inviscous and compressible
Inviscous and incompressible
Pressure
Discharge
Velocity
Volume
100 cm3
250 cm3
500 cm3
1000 cm3
(8/15) Cd. 2g. H
(8/15) Cd. 2g. H3/2
(8/15) Cd. 2g. H²
(8/15) Cd. 2g. H5/2
Inertial force and gravity
Viscous force and inertial force
Viscous force and buoyancy force
Pressure force and inertial force
Dissolved air
Dissolved salt
Suspended matter
All of the above
Smooth and streamline flow
Laminar flow
Steady flow
Highly turbulent flow
Gas law
Boyle's law
Charles law
Pascal's law
It is incompressible
It has uniform viscosity
It has zero viscosity
It is at rest
Metres² per sec
kg sec/meter
Newton-sec per meter
Newton-sec² per meter
Neutral equilibrium
Stable equilibrium
Unstable equilibrium
None of these
h
wh
w/h
h/w
2.4 m
3.0 m
4.0 m
5.0 m
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
Less than
More than
Equal to
None of these
Higher than the surface of liquid
The same as the surface of liquid
Lower than the surface of liquid
Unpredictable
Pascal's law
Archimedess principle
D-Alembert's principle
None of these
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
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
Q = Cd × bH₁ × √(2gh)
Q = Cd × bH2 × √(2gh)
Q = Cd × b (H2 - H1) × √(2gh)
Q = Cd × bH × √(2gh)
A × M × m1/2 × i2/3
A × M × m2/3 × i1/2
A1/2 × M2/3 × m × i
A2/3 × M1/3 × m × i
Elastic
Surface tension
Viscous
Inertia
The size of orifice is large
The velocity of flow is large
The available head of liquid is more than 5 times the height of orifice
The available head of liquid is less than 5 times the height of orifice
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
It gives maximum discharge for a given cross-sectional area and bed slope
It has minimum wetted perimeter
It involves lesser excavation for the designed amount of discharge
All of the above
0.405 + (0.003/H)
0.003 + (0.405/H)
0.405 + (H/0.003)
0.003 + (H/0.405)
Surface tension of water
Compressibility of water
Capillarity of water
Viscosity of water
Pressure in pipes, channels etc.
Atmospheric pressure
Very low pressure
Difference of pressure between two points
Does not change
Decreases
Increases
None of these