The ratio of inertial forces to viscous forces is called the ______________ number?

A. Temporal velocity components
B. Mean square of velocity fluctuations in the three co-ordinate directions
C. Root mean square of velocity fluctuations in the three co-ordinate directions
D. None of these

A. 1
B. 1.5
C. 2
D. 2.5

A. Is always below
B. Is the evolute of
C. Intersects at right angle
D. Is tangential to

A. Weir
B. Pitot tube
C. Kennison nozzle
D. V-notch

A. Newtonian
B. Viscous
C. Dilatant
D. Non-viscous

A. Vane
B. Piston
C. Centrifugal
D. Plunger