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
E. none of the above
Related Mcqs:
- Froude number is significant in____________________?
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
E. none of the above - For pipes, turbulent flow occurs when Reynolds number is_________________?
A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above - Sludge banks are formed if sewage is disposed of in____________________ ?
A. Rivers
B. Seas
C. Lakes
D. None of these - Mach number is significant in___________________?
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
E. none of the above - Which one of the following gases is most significant as air pollutant ?
A. Carbondioxide
B. Oxygen
C. Nitrogen
D. Sulphur-dioxide - Alcohol is used in manometer, because___________________?
Choose the wrong statement ?
A. its vapour pressure is low
B. it provides suitable meniscus for the inclined tube
C. its density is less
D. it provides longer length for a given pressure difference
E. it provides accurate readings. - A fluid in equilibrium can’t sustain_________________?
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
E. all of the above - If the surface of liquid is convex, men_________________?
A. cohesion pressure is negligible
B. cohesion pressure is decreased
C. cohesion pressure is increased
D. there is no cohesion pressure
E. none of the above - For a floating body to be in equilibrium __________________?
A. meta center should be above e.g.
B. center of buoyancy and e.g. must lie on same vertical plane
C. a righting couple should be formed
D. all of the above
E. none of the above - General energy equation holds for_________________?
A. steady flow
B. turbulent flow
C. laminar flow
D. non-uniform flow
E. all of the above