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Fluid Mechanics

Fluid Mechanics
If the head over the triangular notch is doubled, the discharge will increase by __________ times.

5.657
2.828
4
2

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Fluid Mechanics
Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics?

Archimedes principle
Newton
Hooke
Newton

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Fluid Mechanics
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is

30
60
45
90

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Fluid Mechanics
For an unstable equilibrium of a floating body (where, M = metacentre.)

M is below G
M is above G
None of these
M & G coincide

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Fluid Mechanics
The speed of sound in an ideal gas varies as the

Density
Temperature
None of these
Pressure

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Fluid Mechanics
The __________ pressure is measured by a static tube.

Static
None of these
Total
Dynamic

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