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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
SURFACE TENSION HAS THE UNITS OF

NEWTONS/M
NETON/M
NEWTONS
NEW TONS/M

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

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Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

None of these
ZERO
SAME AS BUOYANT FORCE
NEGLIGIBLE

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Hydraulics & Fluid Mechanics
The line of action of the buoyant force acts through the centroid of the

volume of the fluid vertically above the body
displaced volume of the fluid
volume of the floating body
submerged body

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Hydraulics & Fluid Mechanics
The units of viscosity are

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

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems
length of pipe and discharge are same in two systems
friction factor and length are same in two systems
length and diameter are same in two systems

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