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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H3/2
H
H1/2
H5/2

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Hydraulics & Fluid Mechanics
The surface tension of mercury at normal temperature compared to that of water is

less
more or less depending on size of glass tube
same
more

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Hydraulics & Fluid Mechanics
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will

decrease
increase/decrease depending on depth of immersion
remain same
increase

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

LAMINAR FLOW
smooth and streamline flow
turbulent flow
highly turbulent flow.

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Hydraulics & Fluid Mechanics
Flow of water in a pipe about 3 meters in diameter can be measured by

pitot tube
venturi
orifice plate
rotameter

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Hydraulics & Fluid Mechanics
Which of the following is demensionless

specific weight
specific gravity
specific volume
specific speed

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