Which is the best description of a pneumatic actuator?
a. pneumatic actuators use power from motors that convert electrical energy into mechanical torque.
b. pneumatic actuators use rotational energy to generate linear motion.
c. pneumatic actuators regulate the power supply to a system’s controller unit.
d. pneumatic actuators convert energy formed from compressed air at high pressure into linear or rotational energy. e. pneumatic actuators use power obtained from the force of high-pressure liquids to generate linear or rotational motion.