Category: Fluid Mechanics for Chemical

A. f = 0.079.NRe-0.25
B. f-0.5 = 4.07 loge (NRef)-0.6
C. Both ‘a’ and ‘b’
D. None of these

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. High density
B. Low compressibility
C. Low capillary action
D. Very low vapor pressure

A. V
B. V2
C. V4
D. V0.5

A. Flow nozzle
B. Venturimeter
C. Rotameter
D. Orificemeter

A. Dependent on Reynolds number
B. Independent of Reynolds number
C. Dependent on the length of the pipe
D. None of these

A. 0.61 – 0.63
B. 0.5 – 0.75
C. 0.75 – 0.90
D. 0.35 – 0.55

A. 10
B. 100
C. 1000
D. 10000

A. Velocity increases
B. Pressure decreases
C. Both A. & B.
D. Neither A. nor B.

A. Has to be kept in a closed container
B. Is almost incompressible
C. Has zero shear stress
D. Flows when even a small shear is applied to it