Heart disease is the leading cause of death in the United States.Stroke is the fifth leading cause of death in the United States. Together, heart disease and stroke, along with other cardiovascular diseases, are among the most widespread and costly health problems facing the Nation today.
Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.
Normally Open vs. Normally Closed Pressure Control Valves
In this animated activity, learners examine the operation of normally open and normally closed valves used in hydraulics. A brief quiz completes the learning object.