Smooth and streamline flow
Laminar flow
Steady flow
Highly turbulent flow
D. Highly turbulent flow
Is steady and uniform
Takes place in straight line
Takes place in curve
Takes place in one direction
10 kg
100 kg
1000 kg
1 kg
1.84 LH1/2
1.84 LH
1.84 LH3/2
1.84 LH5/2
2 metres of water column
3 metres of water column
3.5 metres of water column
4 m of water column
Pressure in pipes, channels etc.
Atmospheric pressure
Very low pressure
Difference of pressure between two points
Cc × Cv
Cc × Cr
Cv × Cr
Cc/Cr
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 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
Is uniform flow
Is steady uniform flow
Takes place in straight lines
Involves zero transverse component of flow
Sinθ
1/Sinθ
Cosθ
1/Cosθ
A × M × m1/2 × i2/3
A × M × m2/3 × i1/2
A1/2 × M2/3 × m × i
A2/3 × M1/3 × m × i
Minimum
Maximum
Zero
Could be any value
H/3
H/2
2H/3
3H/4
The pressure on the wall at the liquid level is minimum
The pressure on the bottom of the wall is maximum
The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum
The pressure on the bottom of the wall is zer
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
Surface tension
Viscosity
Friction
Cohesion
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)
Inertial force and gravity
Viscous force and inertial force
Viscous force and buoyancy force
Pressure force and inertial force
Atmospheric pressure
Gauge pressure
Absolute pressure
Mean pressure
100 litres
250 litres
500 litres
1000 litres
Total energy per unit discharge
Total energy measured with respect to the datum passing through the bottom of the channel
Total energy measured above the horizontal datum
Kinetic energy plotted above the free surface of water
400 kg/cm²
4000 kg/cm²
40 × 10⁵ kg/cm²
40 × 10⁶ kg/cm²
Coincides with its centre of gravity
Lies above its centre of gravity
Lies below its centre of gravity
Lies between the centre of buoyancy and centre of gravity
Same
Higher
Lower
Lower/higher depending on weight of body
v₁²/2g
v₂²/2g
0.5 v₁²/2g
0.375 v₂²/2g
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
0.83
0.6
0.4
0.3
Newton's law of motion
Newton's law of viscosity
Pascal' law
Continuity equation
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
0.384 Cd × L × H1/2
0.384 Cd × L × H3/2
1.71 Cd × L × H1/2
1.71 Cd × L × H3/2