What are the most common process parameters measured in the process plant
1.Heat exchangers
2. Distillation columns
3. Reactors
What are the common types of media used in transmission
- Pneumatic
- Electronic
- Optical
What is a transmitter
A transmitter is a device that coverts a reading from a sensor into a standard signal and transmits that signal
What are the three basic manometers
- U-tube
- Well manometer
- Inclined manometer
What is an open loop
An open loop does not respond to feedback and has a manual controller
What is the pressure detector functions
- Indication
- Alarm
- Control
What are the standards for electronic, pneumatic, pneumatic
4-20 mA
3-15 psig
20-100 kPa
What is a transducer
A transducer are use to convert the output of a senor into a signal that a controller can use
What is the main criteria for process instrumentation
- Safety
- Production
- Environmental Standards
What is I.C.R.A.M
Indicate
Control
Record
Alarm
Measurement
What is are 6 process control
- Pressure
- Level
- Temperature
- Flow
- Composition
- Density
How do u calculate pressure
P= Force/Area or P= F/A
What are the types of standard pressure gauges
- Bellows
- Bourbon tubes
- Metallic diaphragms
- Capsules
What is the main components of a control loop
- Process
- Measurement
- Control
- Final control Element
What is an closed loop
A closed loop responds to feedback and has an automatic controller
