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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The Prartdtl mixing length is

None of these
independent of shear stress
maximum at the pipe wall
zero at the pipe wall

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Hydraulics & Fluid Mechanics
The units of viscosity are

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

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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

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

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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

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

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Hydraulics & Fluid Mechanics
SURFACE TENSION HAS THE UNITS OF

NETON/M
NEWTONS/M
NEW TONS/M
NEWTONS

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Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

one dimensional flow
uniform flow
turbulent flow
steady flow

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