For an airfoil fluid velocity will be ______ on upper surface when compared to lower surface.
A. higher
B. lower
C. equal
D. none of the mentioned
Answer:A
For an airfoil fluid velocity will be ______ on upper surface when compared to lower surface.
A. higher B. lower C. equal D. none of the mentioned
Explanation: As pressure is high on the upper surface than lower surface, through Bernoulli’s principle velocity is also high on the upper surface when compared to lower surface.