单项选择题 The officer in charge of the engineering watch shall notify the chief engineer without delay （）.

单项选择题 When the machinery spaces are in the periodic unmanned condition, shall be immediately available and on call to attend the machinery space（）.

单项选择题 All member of the engineering watch shall be familiar with assigned watch-keeping dutiesIn addition, every member shall, with respect to the ship they are serving in have knowledge of（） Ⅰ.the use of appropriate internal communication systems Ⅱ.the use of GMDSS Ⅲ.the escape routes from machinery space Ⅳ.the number location and types of fire-fighting equipment in the machinery spaces