A forklift raises a 400-lb stack of shingles 12' in the air. Calculate the horsepower provided by the forklift, if the shingles are raised in 3 minutes.

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

Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false