Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I study guide, Domain 1, Calibration. Level l represents a professional who has a 5-year total of education, training, and/or experience.
A plant has a 30-foot-high water tank mounted on top of a 70-foot platform. What is the water level in the tank, measured in feet, if a pressure gauge on the first floor, height 5 ft, reads 40 psi?
e) none of the above