A flow is termed ‘critical’ when
A. water moves at the same velocity as that of surface waves.
B. water moves at a higher velocity as that of surface waves.
C. water moves at a lower velocity as that of surface waves.
D. water moves at 1.5-times faster than that of surface waves.
Answer:A
A flow is termed ‘critical’ when
A. water moves at the same velocity as that of surface waves. B. water moves at a higher velocity as that of surface waves. C. water moves at a lower velocity as that of surface waves. D. water moves at 1.5-times faster than that of surface waves.