| If water hammer develops while opening the valve in a steam line, which of the following actions should be taken? |
| A) Shut the steam valve at once, open the drain valve until all moisture is drained, shut the drain line valve, and slowly open the steam valve again. |
| B) Continue to fully open the steam valve and partially open the drain line valve until all moisture is drained and then shut the drain line valve. |
| C) Stop opening the steam valve, open the drain line valve, resume opening the steam valve slowly, and shut the drain line valve after the steam valve is open fully. |
| D) Increase the speed of opening the steam valve to rapidly heat the line to stop the water hammer. |
