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WorksheetsFluid Mechanics
Total questions: 13
Worksheet time: 7mins
Ideal fluid has
Static condition
Zero viscosity
constant viscosity
incompressible nature
Calculation of water pressure force on dam is the problem of
Statics
Kinetics
Kinematics
Dynamics
Fluid kinematics means study of
flow through venturimeter
pressure acting on closed sluice gate
Reynolds experiment
Determination of MG
Pitot tube measures
atmispheric pressure
Pressure in a car tyre
velocity of flow
piezometric pressure
Coefficient of discharge of a venturimeter is
1.1
9.81
0.9
.5
For laminar flow in a pipe Reynold's number should be
less than 500
more than 4000
less than 2000
1
Locus of all points emerging from single reference point known as
streamline
path line
equipotential line
streak line
Friction factor depends on
Reynolds number
diameter of pipe
roughness of pipe material
all of above
The unit of kinematic viscosity is
Pa.s
Sq.m per sec
Pa.sec / sq. m
Kg.sec sq. / sq. m
The constant discharge passing through an uniform dia. pipe is
Unsteady uniform
nonuniform unsteady
uniform steady
Laminar flow
Poise is the unit of
Mass density
Kinematic viscosity
viscosity
velocity gradient
A Newtonion fluid is defined as the fluid which
is incompatible and non-viscous
Obeys Newton's law of viscosity
is higly viscous
is compressible and viscous
Which of the following represent the major energy loss
Bend in pipe
Pipe fittings
Sudden exoansion
Friction loss
