Hydraulics & Fluid Mechanics
Fluid is a substance that

has the same shear stress.at a point regardless of its motion
cannot remain at rest under action of any shear force
cannot be subjected to shear forces
always expands until it fills any container

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Hydraulics & Fluid Mechanics
Choose the wrong statement

fluids conform to the shape of the con-taining vessels
when in equilibrium, fluids cannot sustain tangential forces
when in equilibrium, fluids can sustain shear forces
fluids are capable of flowing

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Hydraulics & Fluid Mechanics
According to Bernoulli’s equation for steady ideal fluid flow

total energy is constant throughout
principle of conservation of mass holds
velocity and pressure are inversely proportional
the energy is constant along a stream-line but may vary across streamlines

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