| Your vessel is handling Class 1 explosive material. In accordance with U.S. regulations which of the following is true? |
| A) a fire hose must be in the vicinity of the repair work and shall produce an effective stream of water at 100 psi |
| B) repair work can only be conducted in a cargo space containing Class 1 material if approved by the Chief Engineer |
| C) repairs that require riveting can be carried out in a cargo space containing Class 1 material |
| D) repairs that produce spark cannot be carried out in cargo spaces containing Class 1 materials |
