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WorksheetsFluid mechanics
Total questions: 17
Worksheet time: 9mins
The path followed by a small fluid element is called----
Streamline
Turbulent
Streamline and turbulent
Viscosity
The boundary of the tube of flow is always ----- to the velocity of particles.
Perpendicular
Parallel
60°
30°
According to the ----- the impulse of the resultant force is equal to change in momentum of the body.
Principle of conservation of mass
Principle of conservation of energy
Principle of conservation of momentum
All the above
------ is imaginary curve whose tangent at each point gives the velocity of the fluid element at the point.
Turbulent
Streamline
Fluid flow
Water flow
AV = constant. This is known as -----
Bernoulli's equation
Equation of continuity
Boyles law
Pascals law
The velocity of the fluid is ----- to the area of cross section
Directly proportional
Equal
Less than
Inversely proportional
When an incompressible and non- viscous fluid, flows steadily through a tube of non uniform cross section then the product of area of cross section and the velocity of flow is same at every point in the tube. This is ------
Principle of mass
Principle of momentum
Principle of energy
Principle of continuity
Velocity of flow decreases, if cross sectional area ----- and vice versa.
Increases
Decreases
Equal
Less than
The energy possessed by a fluid by virtue of it's pressure is called ----
Potential energy
Pressure energy
Kinetic energy
Heat energy
P+ 1/2 pv^2+ pgh= constant. This is------
Bernoulli's equation
Equation of continuity
Mass energy equation
Momentum equation
When an incompressible and non- viscous fluid, flows in streamlined motion from one place to another ,then at every point of it's path the total energy per unit volume is constant is called------
Principle of mass
Principle of momentum
Principle of energy
Bernoulli's theorem
Pressure energy per unit volume of the liquid equal to ------ -- due to the fluid.
Hydrostatic pressure
Atmospheric pressure
Guage pressure
Electric pressure
The energy possessed by a fluid by virtue of it's height or position is above the reference line is known as -----
Pressure energy
Potential energy
Kinetic energy
Heat energy
The energy possessed by a fluid by virtue of its velocity i .e due to motion is known as ------
Pressure energy
Potential energy
Kinetic energy
Electric energy
Venturimeter is a instrument designed by -----
G. B. Simon
G. B. Venturi
Pascal
Boyles
------ is known as equation of continuoty.
A/ v = constant
V/A = constant
AV= constant
Av
------- is an instrument designed by G. B. Venturi.
Barometer
Hydrometer
Odometer
Venturimeter
