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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

4.1 sec
14.1 sec
10.4 sec
5.2 sec

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wA
wx
wAx/sinθ

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Hydraulics and Fluid Mechanics in ME
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the

Manometric head
Static head
Velocity head
Kinetic head

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Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

Vacuum pressure
Negative gauge pressure
Suction pressure
All of the listed here

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

slightly more
slightly less
nearly half
equal

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets, generally, employed in an impulse turbine without jet interference are

Eight
Four
Two
Six

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