General energy equation holds for
Steady flow
Turbulent flow
Laminar flow
Non-uniform flow
Correct Answer :
D. Non-uniform flow
Related Questions
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to
1 Pa
91 Pa
981 Pa
9810 Pa
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)
(2/3) Cd × b × √(2gH)
(2/3) Cd × b × √(2g) × H
(2/3) Cd × b × √(2g) × H3/2
(2/3) Cd × b × √(2g) × H2
When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.
Sum
Difference
Arithmetic mean
Geometric mean
The maximum discharge over a broad crested weir is
0.384 Cd × L × H1/2
0.384 Cd × L × H3/2
1.71 Cd × L × H1/2
1.71 Cd × L × H3/2
A point, in a compressible flow where the velocity of fluid is zero, is called
Critical point
Vena contracta
Stagnation point
None of these
The value of mass density in kg-sec-V-m⁴ for water at 0°C is
1
1000
100
101.9
The specific gravity of an oil whose specific weight is 7.85 kN/m3, is
0.8
1
1.2
1.6
Ratio of inertia force to elastic force is known as
Mach number
Froude number
Reynolds number
Weber's number
To avoid an interruption in the flow of a siphon, an air vessel is provided
At the inlet
At the outlet
At the summit
At any point between inlet and outlet
The center of gravity of the volume of the liquid displaced by an immersed body is called
Metacentre
Center of pressure
Center of buoyancy
Center of gravity
For manometer, a better liquid combination is one having
Higher surface tension
Lower surface tension
Surface tension is no criterion
High density and viscosity
Pitot tube is used for measurement of
Pressure
Flow
Velocity
Discharge
The product of mass and acceleration of flowing liquid is called
Inertia force
Viscous force
Gravity force
Pressure force
The velocity of the liquid flowing through the divergent portion of a Venturimeter
Remains constant
Increases
Decreases
Depends upon mass of liquid
Kinematic viscosity is dependent upon
Pressure
Distance
Density
Flow
The atmospheric pressure at sea level is
103 kN/m2
10.3 m of water
760 mm of mercury
All of these
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.
Neutral
Stable
Unstable
None of these
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
One
Two
Three
Four
One litre of water occupies a volume of
100 cm3
250 cm3
500 cm3
1000 cm3
Two dimensional flows occurs when
The direction and magnitude of the velocity at all points are identical
The velocity of successive fluid particles, at any point, is the same at successive periods of time
The magnitude and direction of the velocity do not change from point to point in the fluid
The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be
500 kg
1000 kg
1500 kg
2000 kg
A large Reynold number is indication of
Smooth and streamline flow
Laminar flow
Steady flow
Highly turbulent flow
The continuity equation is connected with
Open channel/pipe flow
Compressibility of fluids
Conservation of mass
Steady/unsteady flow
Pressure of the order of 10 torr can be measured by
Bourdon tube
Pirani Gauge
Micro-manometer
Lonisation gauge
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)
v²/2g
0.5v²/2g
0.375v²/2g
0.75v²/2g
The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is
200 kg/m3
400 kg/m3
600 kg/m3
800 kg/m3
When the Mach number is less than unity, the flow is called
Sub-sonic flow
Sonic flow
Super-sonic flow
Hyper-sonic flow
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
Equal to
Less than
More than
None of these
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water
51 cm
50 cm
52 cm
52.2 cm
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately
5 mm
10 mm
20 mm
30 mm