A plate 0.6 mm distant from a fixed plate moves at 0.24 m/s and requires a force per unit area of 1 N/m2 to maintain this speed. Thefluid viscosity of the substance between the plates in N.s/m2 is
A.0.4
B.2.5
C.2.5 x 10-3
D.0.4 x 103
A.the centre line of pipe
B.the top of the pipeline
C.the bottom of the pipeline
D.the arbitrary horizontal datum
A.FL-2T-1
B.F-1L2T-1
C.FL-2T
D.F-1L2T where dimensions M L and T are used for force length and time.
A.directly proportional to the surface tension
B.inversely proportional to the surface tension
C.directly proportional to the diameter of the tube
D.inversely proportional to the diameter of the tube
A.146.9 ft
B.180 ft
C.1.02 ft
D.1.25 ft
A.the vertical component of force due to surface tension
B.the local atmospheric pressure
C.the viscous force
D.he horizontal component of force due to surface tension.
A.decreases linearly with elevation
B.decreases exponentially with elevation
C.remains constant with change in elevation
D.and density remain constant
A.gas
B.rubber latex
C.sewage sludge
D.quicksand
A.2.04
B.0.41
C.2.42
D.145.2