If they equation of the velocity profile over a plate is u=3y^(2/3) in which The velocity in m/s at a distance y meters above the plate, determine the shear stress at y=0 and y=5cm. Take viscosity=8.4 poise.

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives