Froude number is significant in____________________?

Froude number is significant in____________________?
simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
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full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
supersonics, as with projectile and jet propulsion
None of the Option is Correct

Reynolds number is significant in____________________?

Reynolds number is significant in____________________?
full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
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supersonics, as with projectile and jet propulsion
simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
None of the Option is Correct

In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?

In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?
All Options are Correct
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surface friction
viscosity
frictional force

A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?

A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?
10 kg
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100 kg
1000 kg
10,000 kg