Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

Flame failure in an automatically fired auxiliary boiler can from a/an （）