

Hydraulics - Engineering
Q1: Equation of continuity of flow is based on the principle of conservation ofA
mass
B
momentum
C
force
D
none of these.
ANS:A - mass The equation of continuity of flow is based on the principle of conservation of mass. The principle of conservation of mass states that mass is neither created nor destroyed in a closed system. In fluid dynamics, the equation of continuity expresses this principle by stating that the mass flow rate is constant within a steady flow, meaning that the mass entering a control volume must equal the mass leaving the control volume. Mathematically, the equation of continuity is expressed as: A1V1=A2V2 Where:
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