1.
The volumetric change of the fluid caused by a resistance is known as
A
compressibility
B
adhesion
C
volumetric strain
D
volumetric index
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The volumetric change of the fluid caused by a resistance is known as
compressibility
adhesion
volumetric strain
volumetric index
A fluid in equilibrium cant sustain
shear stress
bending stress
tensile stress
compressive stress
The property by virtue of which a liquid opposes relative motion between its different layers is called
viscosity
osmosis
surface tension
co-efficient of viscosity
Free surface of a liquid tends to contract to the smallest possible area due to force of
friction
cohesion
surface tension
viscosity
In a static fluid
linear deformation is small
only normal stresses can exist
resistance to shear stress is small
fluid pressure is zero
For very great pressures, viscosity of moss gases and liquids
decreases
shows erratic behavior
remains same
increases
Kinematic viscosity is dependent upon
density
flow
pressure
distance
Fluid is a substance which offers no resistance to change of
pressure
flow
shape
volume
Which of the following is the unit of kinematic viscosity
pascal
poise
stoke
faraday
An ideal flow of any fluid must fulfill the following
Newtons law of motion
Newtons law of viscosity
Pascal law
Continuity equation
The pressure at a point in a fluid will not be same in all the directions when the fluid is
moving
viscous and moving
viscous and static
inviscous and moving
The vapour pressure over the concave surface is
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 fluid is said to be ideal, if it is
incompressible
inviscous
viscous and incompressible
inviscous and incompressible
Viscosity of water in comparison to mercury is
higher
lower
same
higher/lower depending on temperature
The property of a fluid which enables it to resist tensile stress is known as
compressibility
surface tension
cohesion
adhesion
Fluid is a substance that
cannot be subjected to shear forces
always expands until it fills any container
has the same shear stress.at a point regardless of its motion
cannot remain at rest under action of any shear force
Liquids
cannot be compressed
occupy definite volume
are not viscous
none of the above
To avoid an interruption in the flow of a syphon, an air vessel is provided
at the inlet
at the outlet
at the summit
ay nay point between inlet and outlet
Practical fluids
are viscous
possess surface tension
are compressible
possess all the above properties
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called
adhesion
cohesion
viscosity
compressibility