5. 真空式造水機運轉前應進行下列何項步驟？ (A) 降低管路熱度 (B) 抽真空 (C) 開啟真空破壞閥 (D) 產汽後，供入海水

8. The followings are procedures of start the engine. Which step is incorrect? (A) Set the stop lever in the RUN position. (B) Make sure the pressure indicator cock is closed. (C) Set the operation selector switch to the ENGINE position control panel to be selected. (D) Make sure the gear pump is in the GEAR OUT position.