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Hydraulics & Fluid Mechanics

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

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

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Hydraulics & Fluid Mechanics
A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?

10 m/sec
25 m/sec
2 m/sec
50 m/sec

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

incompressible
inviscous
inviscous and incompressible
inviscous and compressible

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

0.86
1.01
0.611
0.95

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Hydraulics & Fluid Mechanics
An open vessel of water is accelerated up an inclined plane. The free water surface will

make an angle in opposite direction to inclination of inclined plane
any one of above is possible
make an angle in direction of inclination of inclined plane
be horizontal

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific speed
specific volume
specific weight
specific gravity

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