A two man carpenter crew sets approximately 725 sq. Ft. Of concrete forms per day. If they have erected 2/5 of this amount how many square feet of forming remain to be done today?

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.