7. technician a says that one reason to use several small valves instead of two larger valves is to increase the size of the
open port when the valves are open. technician b says that the area of two small valves added together is often smaller than
the area of one larger valve. who is right?
o a. technician a only
o b. neither technician a nor b
c. technician b only
o d. both technicians a and b