Friction produced by the formation of wakes is called the ______________ friction?
A. Disk
B. Skin
C. Form
D. None of these
A. Disk
B. Skin
C. Form
D. None of these
A. Viscous forces to gravity forces
B. Inertial forces to viscous forces
C. Viscous forces to inertial forces
D. Inertial forces to gravity forces
A. 0.58 to 0.8
B. 0.93 to 0.98
C. 0.2 to 0.3
D. 0.02 to 0.03
A. 4πg/3
B. 0.01 πgH/4
C. 0.01 πgH/8
D. 0.04 πgH/3
A. Velocity of fluid
B. Size of pipe
C. Length of pipe and number of bends
D. None of these
A. Reynolds
B. Hagen and Poiseuille
C. Pascal
D. Blake-Plummer
A. Water
B. Any liquid
C. Solids
D. None of these
A. Wetted perimeter to flow area
B. Flow area to wetted perimeter
C. Flow area to square of wetted perimeter
D. Square root of flow area to wetted perimeter
A. Barometric pressure
B. Speed of the impeller
C. Diameter of the impeller
D. Both B. and C.
A. V1 < V2 < V3
B. V2 > V1 and V2 > V3
C. V1 > V2 > V3
D. None of these