Fluid Dynamics… | NUST Entrance Test Physics

If the fluid is _______ and flow is _______ then mass is conserved

Difficulty: Easy

A:

Incompressible, unsteady

B:

Compressible, steady

C:

Compressible, unsteady

D:

Incompressible, steady

Ratio of mass to density gives:

Difficulty: Easy

A:

Volume

B:

Pressure

C:

Energy

D:

(Volume)^{-1}

From $A_{1}v_{1}=A_{2}v_{2}$, it follows that velocity of flow in a pipe is ______ where there is constriction in the cross-section

Difficulty: Easy

A:

greater

B:

smaller

C:

same

D:

none

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