A. Venturimeter
B. Orificemeter
C. Anemometer
D. Rotameter
A. High density
B. Low compressibility
C. Low capillary action
D. Very low vapor pressure
A. Inertial and drag forces are important
B. Drag, gravitational and buoyancy forces are important
C. Drag force and gravitational forces are important
D. None of the above
A. Drag on particles
B. Drag on column walls
C. Bed height
D. Bed voidage
A. 8400 Pa/m
B. 12600 Pa/m
C. 18900 Pa/m
D. 16800 Pa/m
A. ηma × ηm × ηv = ηo
B. ηm = ηv . ηma
C. ηma = ηm × ηv
D. ηv = ηm × ηma
A. 0.58 to 0.8
B. 0.93 to 0.98
C. 0.2 to 0.3
D. 0.02 to 0.03