100 cm3
250 cm3
500 cm3
1000 cm3
A. 100 cm3
2 meters of water column
3 meters of water column
5 meters of water column
6 meters of water Column
Newton's law of motion
Newton's law of cooling
Newton's law of viscosity
Newton's law of resistance
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
Viscosity
Air resistance
Surface tension forces
Atmospheric pressure
Comparing two identical equipments
Designing models so that the result can be converted to prototypes
Comparing similarity between design and actual equipment
Hydraulic designs
Increase
Decrease
Remain same
Increase/decrease depending on depth of immersion
Remain unaffected
Increases
Decreases
None of these
Higher than the surface of liquid
The same as the surface of liquid
Lower than the surface of liquid
Unpredictable
Wake
Drag
Lift
Boundary layer
Pressure force
Elastic force
Surface tension force
Viscous force
At the inlet
At the outlet
At the summit
At any point between inlet and outlet
Meta centre should be above e.g.
Centre of buoyancy and e.g. must lie on same vertical plane
A righting couple should be formed
All of the above
4wd/σ cosα
σ cosα/4wd
4σ cosα/wd
wd/4σ cosα
Friction loss and flow
Length and diameter
Flow and length
Friction factor and diameter
Steady uniform flow
Steady non-uniform flow
Unsteady uniform flow
Unsteady non-uniform flow
Q = Cd × bH₁ × √(2gh)
Q = Cd × bH2 × √(2gh)
Q = Cd × b (H2 - H1) × √(2gh)
Q = Cd × bH × √(2gh)
Law of gravitation
Archimedes principle
Principle of buoyancy
All of the above
Force of adhesion
Force of cohesion
Force of friction
Force of diffusion
Increase in viscosity of gas
Increase in viscosity of liquid
Decrease in viscosity of gas
Decrease in viscosity of liquid
Has the dimensions of 1/pressure
Increases with pressure
Is large when fluid is more compressible
Is independent of pressure and viscosity
0.3 to 0.45
0.50 to 0.75
0.75 to 0.95
0.95 to 1.0
Velocity of liquid
Atmospheric pressure
Pressure in pipes and channels
Difference of pressure between two points in a pipe
Below the center of gravity
Below the center of buoyancy
Above the center of buoyancy
Above the center of gravity
Energy/unit area
Velocity/unit area
Both of the above
It has no units
Centroid of the displaced volume of fluid
Center of pressure of displaced volume
Does not exist
None of the above
Pressure force
Elastic force
Gravity force
Viscous force
Half the depth
Half the breadth
Twice the depth
Twice the breadth
Internal
External
Both A and B
None of these
The area is horizontal
The area is vertical
The area is inclined
All of the above
Keeps on increasing
Keeps on decreasing
Remain constant
May increase/decrease