| Your vessel is handling Class 1 explosive materials in a US port. In accordance with U.S. regulations which of the following is true? |
| A) repair work can be carried out in a cargo space containing Class 1 materials if approved by the Master |
| B) a responsible person is required to be onboard the vessel that can monitor the loading of several hatches simultaneously |
| C) a fire hose must be laid out, produce an effective stream of water to reach every part of the loading area, and be ready for immediate use |
| D) two fire hoses are required to be in the vicinity of each cargo hatch handling Class 1 materials |
