# Paste into any Python environment or use as a reference def hydraulic_force(pressure_psi, area_in2): """F = P × A (lbf)""" return pressure_psi * area_in2
In a hydraulic intensifier, output pressure is _____ than input pressure. a) Lower b) Same c) Higher ✅ d) Unrelated
def actuator_velocity(flow_gpm, area_in2): """v = Q / A (in/s)""" return (flow_gpm * 231) / (area_in2 * 60) print("Force from 1500 psi on 2 sq in piston:", hydraulic_force(1500, 2), "lbf") print("New air volume if 10 cu.in at 100 psi drops to 80 psi:", pneumatic_volume_change(100, 10, 80), "cu.in") 3. 📝 10-Question Mastery Quiz (Self-Grading) Covering typical exam topics from Ch. 12. hydraulic and pneumatic power systems chapter 12
What type of valve allows flow in one direction only? a) Spool valve b) Needle valve c) Check valve ✅ d) Unloading valve
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 # Paste into any Python environment or use
def pneumatic_volume_change(p1, v1, p2): """Boyle's Law: find new volume (p1 v1 = p2 v2)""" return (p1 * v1) / p2
Which component converts pneumatic energy into linear motion? a) Air motor b) Pneumatic cylinder ✅ c) Solenoid valve d) Receiver tank a) Air motor b) Pneumatic cylinder ✅ c)
Which law describes the compressibility of air in pneumatic systems? a) Pascal b) Boyle ✅ c) Bernoulli d) Charles
What device prevents overpressure in a hydraulic system? a) Flow control valve b) Pressure relief valve ✅ c) Check valve d) Directional control valve