If the air from the end of the pipe line of given Problem is delivered through 50 ft of I-in. hose to a rock drill that requires 140 cfm of air, determine the pressure at the drill.
Problem
A 3-in . pipe with screwed fittings is used tp transmit 1,000 cfm of free air at an initial pressure of a100-psi gauge pressure. The pipeline includes these itmes:
900ft of pipe
Three gate valves
Eight standard on-run tees
Six standard ells
Determine the total loss of pressure in the pipeline.
2. What will be the pressure at the air tool end of a 60-ft-long, l-in.-diameter hose if the tool requires 120 cfm? The pressure entering the hose is 96 psi.