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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

14.1 sec
4.1 sec
10.4 sec
5.2 sec

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the radius of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Sixteen times
Eight times
Four times
Double

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Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

2
43924
1

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Hydraulics and Fluid Mechanics in ME
The pressure at the summit of a syphon is

None of these
more than atmospheric
less than atmospheric
equal to atmospheric

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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

30 mm
20 mm
10 mm
5 mm

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Drag and resultant force
Lift and drag
Lift and tangential force
Lift and resultant force

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