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Q2: How can you control the output of the WHR (Waste heat Recovery)systems?A: The output of WHR can be controlled:1. By controlling flow through an exhaust gas bypass duct by means of damper.2. By closing one or more of the isolating valves supplying circulating water to separate sections of the steam generator, when sub-divided inlet headers are provided. Valves must be fully opened or fully shut and not left in an intermediate position.3. By steam damping to the turbo-generator condenser.

Q1: What are the main points for the maintenance of air compressor systems?A: The compressors are generally arranged for automatic operation with one machine running continually when maneuvering, automatically loading and unloading on demand, but with automatic stopping and staring at sea. When first starting, air and oil filters must be clean, pressure gauge valves cracked open.With manually controlled machines the drains must be opened before starting, coolers periodically drained during running periods, and drains opened for two to three minutes before the machine is stopped to purge moisture thoroughly form the unit before idle periods. Air reservoirs should be regularly drained of moisture.In control air systems the filter and drier must be kept functioning, and the drain valves fitted at the lowest points on air distribution lines regularly operated. Air lines must be kept free of oil or grease internally to avoid an explosion hazard. Safety valves provided on lines must be kept in working order.

四、請將下列對話翻譯成中文(20%)Dialogue 1 Taking over auxiliary enginesA: What's your auxiliary engine type?B: They are SKL8NVD.A: How about their work?B: On the whole, they run quite well.A: When did they have their last special survey?B: Last year in Hamburg.A: What brand of lube oil do you use for them?B: We generally use the Shell.A: What's the state of three generators?B: NO.1generator has run for a long time, and NO.2 just had a repair.A: Will you show me how to start the engine?B: I'd like to. Turn the engine on first and then.Dialogue 1 Warming up the main engineA: Has the removed piston been reassembled?B: Yes, it hasA: Has the main engine been warmed up?B: No, it hasn't.A: Begin to warm it up thenB: Ok. I'll warm it up with the A/E (Auxiliary Engine) cooling water.Dialogue 2 About auxiliary enginesA: How are all the auxiliary engines?B: The of No.1 is higher than normal. The lube oil in the sump is rather dirty. Its cylinders and pistons need an overhaul. We're going to sail at 1400 tomorrow. Please do it as quickly as possible.B: Yes, sir.

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37.依據美國學者 Peterson(1971)提出之多重因果理論,使用有缺陷的機具,是造成事故發生的哪一種 層級的原因? (A)危害能量的直接原因 (B)不安全動作的間接原因 (C)事故基本原因 (D)管理上缺失的原因

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