chapter 3 piping and instrumentation
Primary, Controller, Final Element
3 most common elements that make up a control loop
Distributed Control System
A P&ID can show only part of the control strategy implemented in a ___ or a programmable logic controller
Flow (F)
A P&ID uses the letter ___ for water flow in an instrument tag ballon
Piping and Instrumentation
A______ diagram is a schematic diagram of the relationships between instruments, controllers, piping, and system equipment
Temperature Indicating Controller
The letters TIC on a controller symbol on a P&ID stands for___
ISA
___ has developed a comprehensive standard for instrumentation symbols
Alarm
a P&ID uses the letter ___ as a modifier representing an alarm in a an instrument tag ballon
Current (I)
a P&ID uses the letter ___ for electrical current in an instrumentation tag ballon
Ballon
a ____ is a circular symbol used to identify the purpose of an instrument or device
Temperature Switch High
the letters TSH on a P&ID represent "___"
Temperature Valve
the letters TV on a P&ID represent "____"
