2A × √H₁/Cd × a × √(2g)
2A × √H₂/Cd × a × √(2g)
2A × (√H₁ - √H₂)/Cd × a × √(2g)
2A × (√H3/2 - √H3/2)/Cd × a × √(2g)
C. 2A × (√H₁ - √H₂)/Cd × a × √(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
Rectangular
Triangular
Trapezoidal
Circular
C.G. of body
Center of pressure
Center of buoyancy
Metacentre
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
1.84 LH1/2
1.84 LH
1.84 LH3/2
1.84 LH5/2
Less than
More than
Equal to
None of these
Critical flow
Turbulent flow
Tranquil flow
Torrential flow
ρ ω2 r2
2ρ ω2 r2
ρ ω2 r2/2
ρ ω2 r2/4
15.3 m
25.3 m
35.3 m
45.3 m
Sill or crest
Nappe or vein
Orifice
None of these
Real fluid
Ideal fluid
Newtonian fluid
Non-Newtonian fluid
Capillary tube method
Orifice type viscometer
Rotating cylinder method
All of these
v₁²/2g
v₂²/2g
0.5 v₁²/2g
0.375 v₂²/2g
The center of gravity of the body and the metacentre
The center of gravity of the body and the center of buoyancy
The center of gravity of the body and the center of pressure
Center of buoyancy and metacentre
Mass
Momentum
Energy
Work
Remains horizontal
Becomes curved
Falls on the front end
Falls on the back end
Critical point
Vena contracta
Stagnation point
None of these
Zero
Minimum
Maximum
None of these
wA
wx
wAx
wA/x
Actual velocity of jet at vena contracta to the theoretical velocity
Loss of head in the orifice to the head of water available at the exit of the orifice
Loss of head in the orifice to the head of water available at the exit of the orifice
Area of jet at vena-contracta to the area of orifice
100 cm3
250 cm3
500 cm3
1000 cm3
Tension at the base
Overturning of the wall or dam
Sliding of the wall or dam
All of these
Remain unaffected
Increases
Decreases
None of these
Are viscous
Possess surface tension
Are compressible
Possess all the above properties
Moving
Viscous
Viscous and static
Viscous and moving
The fluid is non - viscous, homogeneous and incompressible
The velocity of flow is uniform over the section
The flow is continuous, steady and along the stream line
All of the above
Directly proportional to the area of the vessel containing liquid
Directly proportional to the depth of liquid from the surface
Directly proportional to the length of the vessel containing liquid
Inversely proportional to the depth of liquid from the surface
Less than
More than
Equal
None of these
0.3 to 0.45
0.50 to 0.75
0.75 to 0.95
0.95 to 1.0
Remain unaffected
Increases
Decreases
None of these