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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The units of viscosity are

metre2/se
kg sec/metre
newton-sec/metre2
newton-sec/metre

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Hydraulics & Fluid Mechanics
The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head)

2 H/3
H/2
2 H/5
H/3

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Hydraulics & Fluid Mechanics
The region between the separation streamline and the boundary surface of the solid body is known as

drag
lift
wake
boundary layer

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

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

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Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

NOT PREDICTABLE FROM THE GIVEN DATA
TRANSITION FLOW
LAMINAR FLOW
TURBULENT FLOW

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Hydraulics & Fluid Mechanics
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called

co-efficient of viscosity
surface tension
viscosity
osmosis

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