Fluid Mechanics MCQs
In the pitot tube error generating due to the location is
A) position errors
B) normal errors
C) negligible errors
D) positive errors
Check Answer
A) position errors
The coefficient of discharge for orificemeter is about
A) 0.95
B) 0.98
C) 0.85
D) 0.63
Check Answer
D) 0.63
The Venturimeter having converging angle is
A) 15°
B) 7°
C) 20°
D) 5°
Check Answer
C) 20°
The pitot tube is used for measurement of
A) Velocity of flow
B) Pressure of flow
C) Density of flow
D) None of the above
Check Answer
A) Velocity of flow
The use of pitot tube, is to convert the kinetic energy into
A) potential energy
B) total energy
C) pressure energy
D) internal energy
Check Answer
C) pressure energy
The Bernoulli’s is equation is based on
A) Conservation of mass
B) Conservation of energy
C) Conservation of both mass and energy
D) None of the above
Check Answer
B) Conservation of energy
Which of the following assumption is true about Bernoulli’s equation
A) Flow is steady and irrotational
B) Flow is incompressible and non viscous
C) Flow is continuous and homogeneous with uniform velocity.
D) All of the above
Check Answer
D) All of the above
Which is the cheapest instrument for measurement of discharge rate.
Check Answer
A) Venturimeter
B) Pitot tube
C) Orificemeter
D) None of the above
Check Answer
C) Orificemeter
The value of Reynolds number for transition flow when flow is flowing through pipe.
A) 2000
B) 2000 to 4000
C) Above 4000
D) None of the above
Check Answer
B) 2000 to 4000
Which of the following is true about the Large eddies
A) are two-dimensional and isotropic
B) are two-dimensional and isotropic
C) are three-dimensional and anisotropic
D) are two-dimensional and anisotropic
Check Answer
C) are three-dimensional and anisotropic