| If a vessel is to be laid up for an extended period of time with minimal utilities provided where freezing is not a concern; boilers may be laid up wet. What statement concerning wet boiler lay-up is true? |
| A) The boiler should be completely filled with ordinary fresh water (such as potable water) until water issues from the atmospheric vent. |
| B) The boiler should be filled with dearated and chemically treated water until the water level is brought to the top of the sight glass. |
| C) The boiler should be completely filled with dearated and chemically treated water until water issues from the atmospheric vent. |
| D) The boiler should be filled with ordinary water (such as potable water) until the water level is brought to the top of the sight glass. |