Top 150+ Solved Fluid Properties and Flow Characteristics MCQ Questions Answer
Q. Coefficient of velocity is defined as the ratio of
a. Actual velocity of jet at vena contracta to the theoretical velocity
b. Area of jet at vena contracta to the area of orifice
c. Actual discharge through an orifice to the theoretical discharge
d. None of the above
Q. The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is
a. 200 kg/m3
b. 400 kg/m3
c. 600 kg/m3
d. 800 kg/m3
Q. Free surface of a liquid tends to contract to the smallest possible area due to force of
a. Surface tension
b. Viscosity
c. Friction
d. Cohesion