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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
Ay between two stream lines represents

discharge
pressure
velocity
head

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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
TRANSITION FLOW
LAMINAR FLOW
NOT PREDICTABLE FROM THE GIVEN DATA

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Hydraulics & Fluid Mechanics
Surface energy per unit area of a surface is numerically equal to

force of adhesion
force of cohesion
atmospheric pressure
surface tension

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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

specific density
specific gravity
specific weight
specific mass

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Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

inversely as the square of the radial distance
as the square of the radial distance
linearly with radial distance
inversely as the radial distance

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