ISA Certified Control Systems Technician (CCST) program
Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
Which of the following valve actuation methods would be the best choice for an application that requires a very large force and a small actuator?
A. pneumatic actuation
B. hydraulic actuation
C. manual actuation
D. electrical actuation