Answer Posted / rakesh roshan
Branch of science concerned with the practical applications
of fluids, primarily liquids, in motion. It is related to
fluid mechanics, which in large part provides its
theoretical foundation. Hydraulics deals with such matters
as the flow of liquids in pipes, rivers, and channels and
their confinement by dams and tanks. Some of its principles
apply also to gases, usually when variations in density are
relatively small. The scope of hydraulics extends to such
mechanical devices as actuators and control systems. See
also Bernoulli's principle, Pascal's law, pump.
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