Reynolds number is significant in____________________?

Hydraulics and Fluid Mechanics 18/02/2021

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:

    For very great pressures, viscosity of moss gases and liquids __________________?
    A. remains same B. increases C. decreases D. shows erratic behaviour E. none of the above....
    The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be____________________?
    A. 500 kg B. 1000 kg C. 1500 kg D. 2000 kg E. 4000 kg....
    The units of viscosity are__________________?
    A. metres2 per sec B. kg sec/metre C. newton-sec per metre2 D. newton-sec per metre E. none of the above...
    Euler’s dimensionless number relates the following_______________?
    A. inertial force and gravity B. viscous force and inertial force C. viscous force and buoyancy force D. pressure force and inertial force E. pressure force and viscous force...
    The flow in which each liquid particle has a definite path and their paths do not cross each other is called____________________?
    A. one dimensional flow B. uniform flow C. steady flow D. turbulent flow E. streamline flow...

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