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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Normal depth in open channel flow is the depth of flow corresponding to

uniform flow
Steady flow
unsteady flow
laminar flow

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Hydraulics & Fluid Mechanics
When a body floating in a liquid, is displaced slightly, it oscillates about

center of pressure
metacentre
e.g. of body
center of buoyancy

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

All of these
suspended matter
dissolved salt
dissolved air

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Hydraulics & Fluid Mechanics
An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is

9.75 m/sec²
10m/sec²
9.81 m/sec²
10.2/m sec

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Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

91 PA
1 PA
9810 PA
981 PA

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Hydraulics & Fluid Mechanics
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is

1/3
2/3
1/4
1/2

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