Hydraulics And Fluid Mechanics MCQ Questions & Answers | Civil Engineering

A. supersonics, as with projectile and jet propulsion

B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc

C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls

D. all of the above

A. supersonics, as with projectiles and jet propulsion

B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc

C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls

D. all of fhe above

A. the metal piece will simply float over the mercury

B. the metal piece will be immersed in mercury by half

C. whole of the metal piece will be immersed with its top surface just at mercury level

D. metal piece will sink to the bottom

A. decreases with increase in temperature

B. increases with increase in temperature

C. is independent of temperature

D. is independent of pressure for very high pressure intensities

A. equal to atmospheric

B. less than atmospheric

C. more than atmospheric

D. none of the above

A. maximum

B. minimum

C. zero

D. non-zero and finite

A. tensile stress

B. compressive stress

C. shear stress

D. bending stress

A. 2100

B. 2700

C. 10,000

D. 21,000

A. $$\frac{4}{3}$$

B. $$\frac{3}{2}$$

C. $$\frac{9}{4}$$

D. $$\frac{{27}}{8}$$

A. a circular disc of plate held normal to flow

B. a sphere

C. a cylinder

D. a streamlined body