There is no loss of energy of the liquid flowing
The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
All of the above
D. All of the above
Sill or crest
Nappe or vein
Orifice
None of these
wH/2
wH
wH2/2
wH2/4
1.84 LH1/2
1.84 LH
1.84 LH3/2
1.84 LH5/2
Moving
Viscous
Viscous and static
Viscous and moving
Real fluid
Ideal fluid
Newtonian fluid
Non-Newtonian fluid
Cohesion pressure is negligible
Cohesion pressure is decreased
Cohesion pressure is increased
There is no cohesion pressure
Crest
Nappy
Sill
Weir top
Underground flow
Flow past tiny bodies
Flow of oil in measuring instruments
All of these
l/d² = (l₁/d₁²) + (l₂/d₂²) + (l₃/d₃²)
l/d³ = (l₁/d₁³) + (l₂/d₂³) + (l₃/d₃³)
l/d⁴ = (l₁/d₁⁴) + (l₂/d₂⁴) + (l₃/d₃⁴)
l/d⁵ = (l₁/d₁⁵) + (l₂/d₂⁵) + (l₃/d₃⁵)
1.84 (L - 0.1nH)H3/2
1.84 (L - nH)H2
1.84 (L - 0.1nH)H5/2
1.84 (L - nH)H3
Velocity of liquid
Pressure of liquid
Area of mouthpiece
Length of mouthpiece
Narrow crested weir
Broad crested weir
Ogee weir
Submerged weir
Measure the velocity of a flowing liquid
Measure the pressure of a flowing liquid
Measure the discharge of liquid flowing in a pipe
Measure the pressure difference of liquid flowing between two points in a pipe line
Inertia force
Viscous force
Gravity force
Pressure force
Internal
External
Both A and B
None of these
Effects
Does not effect
Both A and B
None of these
Decreases
Increases
Remain same
None of these
(H - hf )/H
H/(H - hf )
(H + hf )/H
H/(H + hf )
Its vapour pressure is low
It provides suitable meniscus for the inclined tube
Its density is less
It provides longer length for a given pressure difference
(2/3) Cd × L.√2g [H1 - Ha]
(2/3) Cd × L. √2g [H1 3/2 - Ha 3/2]
(2/3) Cd × L.√2g [H1 2 - Ha 2]
(2/3) Cd × L. √2g [H1 5/2 - Ha 5/2]
1/2 × depth
1/2 × breadth
1/2 × sloping side
1/4 × (depth + breadth)
Directly
Inversely
Both A and B
None of these
Sub-sonic velocity
Super-sonic velocity
Lower critical velocity
Higher critical velocity
Shear stress to shear strain
Increase in volume to the viscosity of fluid
Increase in pressure to the volumetric strain
Critical velocity to the viscosity of fluid
A × M × m1/2 × i2/3
A × M × m2/3 × i1/2
A1/2 × M2/3 × m × i
A2/3 × M1/3 × m × i
It gives maximum discharge for a given cross-sectional area and bed slope
It has minimum wetted perimeter
It involves lesser excavation for the designed amount of discharge
All of the above
A flow whose streamline is represented by a curve is called two dimensional flow.
The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy.
The length of divergent portion in a Venturimeter is equal to the convergent portion.
A pitot tube is used to measure the velocity of flow at the required point in a pipe.
Less than
More than
Equal to
None of these
tanθ = a/g
tanθ = 2 a/g
tanθ = a/2g
tanθ = a2/2g
0.34 times
0.67 times
0.81 times
0.95 times