A. Particle size
B. Fluid viscosity
C. Density of both the particle & the fluid
D. All A., B. and C.
A. The velocity of sound
B. Dependent on its cross-sectional area
C. Dependent on fluid viscosity
D. Dependent on fluid density
A. 4f (L/D) (v2/2gc) ρ
B. 32 (μLV/gc D2)
C. 16/NRe
D. (fLρ/D) (v2/2gc)
A. 4(Ro-Ri)
B. √(Ro-Ri)
C. 2(Ro-Ri)
D. Ro + Ri
A. VX = V0 + q (x3/L2D)
B. VX = V0 + ⅓q (x3/L2)
C. VX = V0 + 2q (x2/LD)
D. VX = V0 + (4/3) q (x3/L2D)
A. Non-viscous
B. Viscous
C. Turbulent
D. Rotational
A. Directly as the velocity
B. Inversely as the square of the velocity
C. Approximately as the square of the velocity
D. Inversely as the square of the diameter
A. H
B. 12.6 H
C. 13.6 H
D. 14.6 H
A. Vacuum pumps
B. Blowers
C. Fans
D. Compressors
A. First law of thermodynamics
B. Third law of thermodynamics
C. Law of conservation of momentum
D. None of these