The pressure gradient in the direction of flow is equal to the :

1.	The pressure gradient in the direction of flow is equal to the :
A.	Shear gradient parallel to the direction of flow
B.	Shear gradient normal to the direction of flow
C.	Velocity gradient parallel to the direction of flow
D.	Velocity gradient normal to the direction of flow
Answer» C. Velocity gradient parallel to the direction of flow

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The pressure gradient in the direction of flow is equal to the :

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