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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is

9 m/sec
9.81 m/sec²
9.75 m/sec²
10 m/sec²

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Hydraulics and Fluid Mechanics in ME
If the surface of liquid is convex, men

Cohesion pressure is decreased
Cohesion pressure is increased
There is no cohesion pressure
Cohesion pressure is negligible

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Hydraulics and Fluid Mechanics in ME
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

One-third
One-half
One-fourth
Equal to

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is approximately

5 mm
20 mm
10 mm
30 mm

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

sink to bottom
be fully immersed with top surface at fluid surface
partly immersed
float over fluid

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1
1000
100
101.9

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