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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Specific weight of sea water is more that of pure water because it contains

dissolved salt
All of these
dissolved air
suspended matter

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

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
pressure
velocity
discharge

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Hydraulics & Fluid Mechanics
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

specific mass
specific gravity
specific density
specific weight

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Hydraulics & Fluid Mechanics
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than

10.0 m above the hydraulic gradient
2.4 m above the hydraulic gradient
5.0 above the hydraulic gradient
6.4 m above the hydraulic gradient

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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MORE MCQ ON Hydraulics & Fluid Mechanics

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