25 kN/ m²
245 kN/ m²
2500 kN/m²
2.5 kN/ m²
B. 245 kN/ m²
Remains constant
Increases
Decreases
Depends upon mass of liquid
1
1.2
0.8
0.75
500 kg
1000 kg
1500 kg
2000 kg
Maximum at the centre and minimum near the walls
Minimum at the centre and maximum near the walls
Zero at the centre and maximum near the walls
Maximum at the centre and zero near the walls
Pressure energy + kinetic energy + potential energy
Pressure energy - (kinetic energy + potential energy)
Potential energy - (pressure energy + kinetic energy
Kinetic energy - (pressure energy + potential energy)
200 kg/m3
400 kg/m3
600 kg/m3
800 kg/m3
μ π³ N² R² /1800 t
μ π³ N² R⁴ /1800 t
μ π³ N² R² /3600 t
μ π³ N² R⁴ /3600 t
Velocity of flow is very high
Discharge is difficult to measure
Mach number is between 1 and 6
None of these
Same as
Less than
More than
None of these
It is incompressible
It has uniform viscosity
It has zero viscosity
It is at rest
At the inlet
At the outlet
At the summit
At any point between inlet and outlet
Q = (2/3) Cd × b × √(2g) × (H2 - H1)
Q = (2/3) Cd × b × √(2g) × (H2 1/2 - H1 1/2)
Q = (2/3) Cd × b × √(2g) × (H2 3/2 - H1 3/2)
Q = (2/3) Cd × b × √(2g) × (H2 2 - H1 2)
The head loss for all the pipes is same
The total discharge is equal to the sum of discharges in the various pipes
The total head loss is the sum of head losses in the various pipes
Both (A) and (B)
Pressure
Flow
Shape
Volume
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
Specific weight
Mass density
Specific gravity
None of these
Viscosity
Air resistance
Surface tension forces
Atmospheric pressure
1
5
7
6
Free
Partially
Full
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.
19.24 kPa
29.24 kPa
39.24 kPa
49.24 kPa
1/2 × depth
1/2 × breadth
1/2 × sloping side
1/4 × (depth + breadth)
Q = Cd × bH₁ × √(2gh)
Q = Cd × bH2 × √(2gh)
Q = Cd × b (H2 - H1) × √(2gh)
Q = Cd × bH × √(2gh)
Notch
Weir
Mouthpiece
Nozzle
Ratio of absolute viscosity to the density of the liquid
Ratio of density of the liquid to the absolute viscosity
Product of absolute viscosity and density of the liquid
Product of absolute viscosity and mass of the liquid
Unity
Greater than unity
Greater than 2
Greater than 4
Be horizontal
Make an angle in direction of inclination of inclined plane
Make an angle in opposite direction to inclination of inclined plane
Any one of above is possible
Acts in the plane of the interface normal to any line in the surface
Is also known as capillarity
Is a function of the curvature of the interface
Decreases with fall in temperature
Length of both the pipes is same
Diameter of both the pipes is same
Loss of head and discharge of both the pipes is same
Loss of head and velocity of flow in both the pipes is same
1 Pa
91 Pa
981 Pa
9810 Pa