The post AutoQuiz: P&ID Determination for Temperature and Pressure Sensors first appeared on the ISA Interchange blog site.
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 more information about the CCST program.
Instrument technicians often use piping and instrumentation diagrams (P&ID) as a reference to identify what type of instrumentation is installed and how this instrumentation is installed in the process. Referencing the process line depicted in the post image from a typical P&ID, which of following statements is true:
a) TE-102 is shown as a surface-mounted temperature sensor, and pressure sensor PI-101 is “directly-connected” to the process
b) temperature sensor TE-102 is inserted into a thermowell, and pressure indicator PI-101 uses a filled capillary system and diaphragm seal to isolate it from the process fluid
c) PI-101 and TE-102 are wired directly to a DCS controller
d) temperature sensor TE-102 is a bulb-type sensor, and pressure sensor PI-101 is electrically-connected to an electromagnetic isolator
e) none of the above
Source: ISA News