Hydraulics & Fluid Mechanics
Mercury is often used in barometer because

it is the best liquid
the height of barometer will be less
its vapour pressure is so low that it may be neglected
both (B) and (C)

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Hydraulics & Fluid Mechanics
Choose the wrong statement

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

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