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Hydraulics & Fluid Mechanics

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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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

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

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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

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

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Hydraulics & Fluid Mechanics
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to

weight of the fluid displaced by the body
the weight of the body
more than the weight of the body
less than the weight of the body

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

ZERO
None of these
SAME AS BUOYANT FORCE
NEGLIGIBLE

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Hydraulics & Fluid Mechanics
The discharge through a V- notch varies as

H3’2
H1/2
H5/2
H5’4 where H is head.

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