Hydraulics & Fluid Mechanics
Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is

(i) and (ii)
(ii) and (iv)
(i)and(iv)
(ii) and (iii)

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Hydraulics & Fluid Mechanics
Fluid is a substance that

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

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