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Mechanical Engineering Objective Questions { Hydraulic Fluid Mechanics }



176. Fronde 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 discontinuity, gravity forces, and wave making effect, as with ship's hulls
D. All of the above
Discussion
177. All the terms of energy in Bernoulli's equation have dimension of
A. Energy
B. Work
C. Mass
D. Length
Discussion
178. Reynolds 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 discontinuity, gravity forces, and wave making effect, as with ship's hulls
D. All of the above
Discussion
179. The fluid forces considered in the Navier Stokes equation are
A. Gravity, pressure and viscous
B. Gravity, pressure and turbulent
C. Pressure, viscous and turbulent
D. Gravity, viscous and turbulent
Discussion
180. All the terms of energy in Bernoulli's equation have dimension of
A. Energy
B. Work
C. Mass
D. Length
Discussion
181. Reynolds 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 discontinuity, gravity forces, and wave . making effect, as with ship's hulls
D. All of the above
Discussion
182. The fluid forces considered in the Navier Stokes equation are
A. Gravity, pressure and viscous
B. Gravity, pressure and turbulent
C. Pressure, viscous and turbulent
D. Gravity, viscous and turbulent
Discussion

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