Inertia
Gravity
Viscous
None of these
A. Inertia
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
Less than 2000
Between 2000 and 2800
More than 2800
None of these
Continuity equation
Bernoulli's equation
Pascal's law
Archimedess principle
Remains constant
Increases
Decreases
Depends upon mass of liquid
4wd/σ cosα
σ cosα/4wd
4σ cosα/wd
wd/4σ cosα
Law of gravitation
Archimedes principle
Principle of buoyancy
All of the above
Steady
Unsteady
Both A and B
None of these
Is steady
Is one dimensional
Velocity is uniform at all the cross sections
All of the above
Specific gravity = gravity × density
Dynamic viscosity = kinematic viscosity × density
Gravity = specific gravity × density
Kinematic viscosity = dynamic viscosity × density
Does not change
Increases
Decreases
None of these
Velocity of flow at the required point in a pipe
Pressure difference between two points in a pipe
Total pressure of liquid flowing in a pipe
Discharge through a pipe
9.81 kN/m3
9.81 × 103 N/m3
9.81 × 10-6 N/mm3
Any one of these
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
Velocity of flow is very high
Discharge is difficult to measure
Mach number is between 1 and 6
None of these
2 metres of water column
3 metres of water column
3.5 metres of water column
4 m of water column
Pressure head + kinetic head + potential head
Pressure head - (kinetic head + potential head)
Potential head - (pressure head + kinetic head)
Kinetic head - (pressure head + potential head)
Atmospheric pressure
Gauge pressure
Absolute pressure
Mean pressure
Double
Four times
Eight times
Sixteen times
There is excessive leakage in the pipe
The pipe bursts under high pressure of fluid
The flow of fluid through the pipe is suddenly brought to rest by closing of the valve
The flow of fluid through the pipe is gradually brought to rest by closing of the valve
Surface tension
Compressibility
Capillarity
Viscosity
Equal to
One-fourth
One-third
One-half
Horizontal line
Inclined line with flow upwards
Inclined line with flow downwards
Any direction and in any location
N/m
N/m2
N/m3
N-m
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
Viscosity
Osmosis
Surface tension
Cohesion
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)
Same as
Less than
More than
None of these
Orifice plate
Venturimeter
Rotameter
Pitot tube
One stoke
One centistoke
One poise
One centipoise
Atmospheric pressure
Gauge pressure
Absolute pressure
None of these