Hydraulic: And Pneumatic Power Systems Chapter 12

What device prevents overpressure in a hydraulic system? a) Flow control valve b) Pressure relief valve ✅ c) Check valve d) Directional control valve

A hydraulic cylinder has a piston area of 4 in². System pressure is 1200 psi. What is the maximum force? a) 300 lbf b) 1200 lbf c) 4800 lbf ✅ d) 600 lbf hydraulic and pneumatic power systems chapter 12

In a hydraulic intensifier, output pressure is _____ than input pressure. a) Lower b) Same c) Higher ✅ d) Unrelated What device prevents overpressure in a hydraulic system

Which component converts pneumatic energy into linear motion? a) Air motor b) Pneumatic cylinder ✅ c) Solenoid valve d) Receiver tank What is the maximum force

def pneumatic_volume_change(p1, v1, p2): """Boyle's Law: find new volume (p1 v1 = p2 v2)""" return (p1 * v1) / p2

Pneumatic systems are preferred over hydraulic when: a) Very high force is required b) Precise positioning is needed c) Cleanliness and leakage are concerns ✅ d) Incompressible fluid is necessary