Z + p/w + v²/2g = constant
Z + p/w - v²/2g = constant
Z - p/w + v²/2g = constant
Z - p/w - v²/2g = constant
A. Z + p/w + v²/2g = constant
Increases
Decreases
Remain constant
Increases first up to certain limit and then decreases
14π R1/2/15Cd × a √(2g)
14π R3/2/15Cd × a √(2g)
14π R5/2/15Cd × a √(2g)
14π R7/2/15Cd × a √(2g)
Viscosity
Air resistance
Surface tension forces
Atmospheric pressure
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
Velocity of flow at the required point in a pipe
Pressure difference between two points in a pipe
Total pressure of liquid flowing in a pipe
Discharge through a pipe
Keeps on increasing
Keeps on decreasing
Remain constant
May increase/decrease
0.405 + (0.003/H)
0.003 + (0.405/H)
0.405 + (H/0.003)
0.003 + (H/0.405)
1.84 LH1/2
1.84 LH
1.84 LH3/2
1.84 LH5/2
Kinematic viscosity in C. G. S. units
Kinematic viscosity in M. K. S. units
Dynamic viscosity in M. K. S. units
Dynamic viscosity in S. I. units
Energy/unit area
Velocity/unit area
Both of the above
It has no units
Equal to
Less than
More than
None of these
2gH
H × √(2g)
2g × √H
√(2gh)
Venturimeter
Orifice plate
Nozzle
All of the above
Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force
Viscosity is due primarily to interaction between fluid molecules
Viscosity of liquids decreases with increase in temperature
Viscosity of liquids is appreciably affected by change in pressure
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
Pressure
Velocity
Square of velocity
Cube of velocity
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
Velocity of flow in an open channel
Depth of flow in an open channel
Hydraulic jump
Depth of channel
Higher
Lower
Same
Higher/lower depending on temperature
Less than 2000
Between 2000 and 4000
More than 4000
Less than 4000
Velocity
(Velocity)2
(Velocity)3
(Velocity)4
Specific viscosity
Viscosity index
Kinematic viscosity
Coefficient of viscosity
Steady flow
Uniform flow
Free vortex
Forced vortex
Actual velocity of jet at vena-contracta to the theoretical velocity
Area of jet at vena-contracta to the area of orifice
Loss of head in the orifice to the head of water available at the exit of the orifice
Actual discharge through an orifice to the theoretical discharge
μπ²NR/60t
μπ²NR²/60t
μπ²NR³/60t
μπ²NR⁴/60t
Sink to bottom
Float over fluid
Partly immersed
Be fully immersed with top surface at fluid surface
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
1
5
7
6
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
Crest
Nappy
Sill
Weir top