Equipment I

1. Expansion joints and expansion loops allow for the expansion or contraction of piping due to ________ changes.

• pressure
• flow
• temperature
• level

2. __________ actuators use an uncompressible liquid to position a valve.

• Pneumatic
• Hydraulic
• Electric

3. A __________ valve is an example of a throttle valve.

• ball
• butterfly
• 3-way
• needle