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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
discharge
pressure
velocity

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

Micro-manometer
Bourdon tube
Pirani Gauge
ionisastion gauge

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Hydraulics & Fluid Mechanics
For a floating body to be in equilibrium

a righting couple should be formed
center of buoyancy and e.g. must lie on same vertical plane
meta center should be above e.g.
All of these

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Hydraulics & Fluid Mechanics
Coefficient of velocity for Borda’s mouth piece running full is

0.855
1.00
0.611
0.707

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Hydraulics & Fluid Mechanics
The difference of pressure between the inside and outside of a liquid drop is

p = T/2r
(d)p = 2T/r
(a)p = Txr
(b)p = T/r

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Hydraulics & Fluid Mechanics
The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is

(i) and (iv)
(i) and (iii)
(ii) and (iii)
(ii) and (iv)

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