Fluid Mechanics MCQs
The working of hydraulic system is on the which of the following principle
A) Archimedes principle
B) Pascal’s principle
C) Bernoulli’s Principle
D) Newton’s second law of motion
Check Answer
B) Pascal’s principle
The centre of pressure for a triangle with vertex on free liquid surface and base is horizontal is
A) 2/3h
B) 2h/3
C) 3h/4
D) h/2
Check Answer
C) 3h/4
Which of the following is the cause of turbulence.
A) Shear flow
B) Sudden discontinuity
C) Change in velocity distribution
D) All of the above
Check Answer
D) All of the above
The bulk modulus is defined as
A) Direct stress to strain
B) Direct stress to volumetric strain
C) Both a and b
D) None of the above
Check Answer
B) Direct stress to volumetric strain
The viscosity of liquid is increase with
A) Increase in temperature
B) Decrease in temperature
C) First increases then decreases
D) Constant with temperature
Check Answer
B) Decrease in temperature
Which of the following device is used to measure the fluid pressure
A) Hygrometer
B) Calorimeter
C) Manometer
D) Thermometer
Check Answer
C) Manometer
Which of the following is a type of fluid flow in a fluid mechanics.
A) Steady and unsteady flow
B) Uniform and non uniform flow
C) Compressible and incompressible flow
D) All of the above
Check Answer
D) All of the above
The properties of fluid do not change with time is called as
A) Steady flow
B) Unsteady flow
C) Uniform flow
D) Non uniform flow
Check Answer
A) Steady flow
The laminar flow is also called as
A) Streamline flow
B) Viscous flow
C) Both streamline and viscous flow
D) None of the above
Check Answer
C) Both streamline and viscous flow
The flow flowing in a pipe at a constant cross section with the constant flow rate, is example of
A) Steady and non uniform flow
B) Steady and uniform flow
C) Unsteady and uniform flow
D) Unsteady and non uniform flow
Check Answer
B) Steady and uniform flow
