Less man the vapour pressure over the plane surface
Equal to the vapour pressure over the plane surface
Greater than the vapour pressure over the plane surface
Zero
A. Less man the vapour pressure over the plane surface
In a compressible flow, the volume of the flowing liquid changes during the flow
A flow, in which the volume of the flowing liquid does not change, is called incompressible flow
When the particles rotate about their own axes while flowing, the flow is said to be rotational flow
All of the above
wA
wx
wAx
wA/x
Cohesion
Adhesion
Viscosity
Surface tension
Equal to
One-half
Three fourth
Double
Surface tension
Compressibility
Capillarity
Viscosity
The pressure on the wall at the liquid level is minimum
The pressure on the bottom of the wall is maximum
The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum
The pressure on the bottom of the wall is zer
1 Pa
91 Pa
981 Pa
9810 Pa
N/mm2
N/m2
Head of liquid
All of these
1 : 5
1 : 2.5
1 : 25
1 : √5
9,000 kg
13,500 kg
18,000 kg
27,000 kg
At C.G. of body
At center of pressure
Vertically upwards
At metacentre
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
Equal to
Less than
More than
None of these
Gauge pressure
Absolute pressure
Positive gauge pressure
Vacuum pressure
0.83
0.6
0.4
0.3
The head loss for all the pipes is same
The total discharge is equal to the sum of discharges in the various pipes
The total head loss is the sum of head losses in the various pipes
Both (A) and (B)
Decrease
Increase
Remain unchanged
Depend upon the characteristics of liquid
Neutral
Stable
Unstable
None of these
Inversely proportional to H3/2
Directly proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
Has constant viscosity
Has zero viscosity
Is in compressible
None of the above
Maximum
Minimum
Zero
Nonzero and finite
Steady
Unsteady
Laminar
Vortex
Atmospheric pressure
Gauge pressure
Absolute pressure
Mean pressure
Less than unity
Unity
Between 1 and 6
More than 6
Specific viscosity
Viscosity index
Kinematic viscosity
Coefficient of viscosity
High velocity
High pressure
Weak material
Low pressure
Increase
Decrease
Remain same
Increase/decrease depending on depth of immersion
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
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
1 %
1.5 %
2 %
2.5 %