A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?

A. Irrotational and frictionless flow
B. Irrotational and frictional flow
C. One in which dissipation of mechanical energy into heat occurs
D. Formation of eddies within the stream

A. Fluid particles move in an orderly manner
B. Momentum transfer is on molecular scale only
C. Shear stress is caused more effectively by cohesion than momentum transfer
D. Shear stresses are generally larger than in a similar laminar flow

A. Specific gravity of the liquid
B. Suction lift
C. Discharge head
D. All A., B. and C.

A. Speed
B. (Speed)2
C. (Speed)3
D. (Speed)0.5

A. Compressible fluids with shear
B. Compressible fluids with no shear
C. Incompressible fluids with shear
D. Incompressible fluids with no shear

A. A constant velocity with no acceleration
B. A fluctuating velocity
C. Attained after moving one-half of total distance
D. None of these