Equipment I

1. ________ valves are used to stop and start flow.

• Isolation
• Throttle
• Check
• Relief

2. A safe position when opening a valve is to stand behind or to the side of the valve opening.

• True
• False

3. A __________ actuator requires more time to re-position the valve.

• double-acting hydraulic
• single-acting pneumatic
• solenoid
• motor operated