AV= constant, where A= area of cross-section and V= velocity of fluid. This equation is called _____.

AV= constant, where A= area of cross-section and V= velocity of fluid.

1.	AV= constant, where A= area of cross-section and V= velocity of fluid. This equation is called _____.
A.	Equation of discontinuity
B.	Equation of continuity
C.	Equation of sustenance
D.	Equation of parallelism
Answer» C. Equation of sustenance