1. What will be the pressure at the air tool end of a 40-ft-Iong,
-in.- diameter hose if the tool requires 100 cfm? The pressure entering the hose is 97 psi.
2. if the air from the end of a pipeline is delivered through 50 ft of 1~-in. hose to a rock drill that requires 120 cfm of air, determine the pressure at the drill. The pressure at the end of the pipe is 95.35 psi.