Steady
Unsteady
Both A and B
None of these
B. Unsteady
Incompressible
Viscous and incompressible
Inviscous and compressible
Inviscous and incompressible
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
Pascal law
Newton's law of viscosity
Boundary layer theory
Continuity equation
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.
4.1 s
5.2 s
10.4 s
14.1 s
Equal to
One-fourth
One-third
One-half
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
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
Linear
Parabolic
Hyperbolic
Inverse type
Pressure, velocity and temperature
Shear stress and rate of shear strain
Shear stress and velocity
Rate of shear strain and temperature
Increase
Remain unaffected
May increase or decrease depending on the characteristics of liquid
Decrease
U-tube with water
Inclined U-tube
U-tube with mercury
Micro-manometer with water
Narrow-crested weir
Broad-crested weir
Ogee weir
Submerged weir
4.5 kN/m3
6 kN/m3
7.5 kN/m3
10 kN/m3
Adhesion
Cohesion
Viscosity
Compressibility
The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface
The horizontal component acts through the center of pressure for the vertical projection
The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area
The vertical component passes through the center of pressure of the volume
The center of buoyancy is located at the center of gravity of the displaced liquid
For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy
If C.G. and center of buoyancy coincide, the submerged body must lie at neutral equilibrium for all positions
All floating bodies are stable
Pressure head
Velocity head
Pressure head + velocity head
Pressure head - velocity head
Maximum
Minimum
Zero
Nonzero finite
Sill or crest
Nappe or vein
Orifice
None of these
Less than unity
Unity
Between 1 and 6
None of these
(bd²/12) + x
(d²/12 x) + x
b²/12 + x
d²/12 + x
0.8
1
1.2
1.6
Equal to
Less than
More than
None of these
Dynamic viscosity/density
Dynamic viscosity × density
Density/dynamic viscosity
1/dynamic viscosity × density
The bodies A and B have equal stability
The body A is more stable than body B
The body B is more stable than body A
The bodies A and B are unstable
Lift
Drag
Stagnation pressure
Bulk modulus
wA
wx
wAx
wA/x
Wake
Drag
Lift
Boundary layer
Metres² per sec
kg-sec/metre
Newton-sec per metre²
Newton-sec per meter