12 The friction factor (1) in Moody's diagram for a turbulent flow is only a function of (1 Point) c. f (Re. D) only b. f (Re, ks) only d. No one of these a. f (Re, Ks/D) only
11 If the average velocity between stationary parallel plates is 10m/s. The maximum velocity is equal to * (2 Points) a. 5 m/s d. No one of these c. 20m/s b. 30m/s