Instrumentation

1. Compound gauges measure both _______________.

• pressure and flow
• flow and temperature
• vacuum and pressure
• temperature and level

2. __________ are very small resistors made of a ceramic/metal oxide mixture which is sensitive to very small changes in temperature.

• Thermocouples
• Thermistors
• Thermowells
• RTDs

3. __________ is a measurement of height from the surface of the process material to the top of the vessel.

• Innage
• Head space
• Ullage