单项选择题 In the event of minor emergencies when the machinery spaces unattended （） will be informed of malfunction in the machinery by his cabin monitor.

单项选择题 UMS are mainly unattended overnight and during this time （） should have control of the main engine.

单项选择题 The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can be immediately be placed in the manual mode of operation when notified that the ship is （）