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 cetane rating of diesel fuel is an indication of the （）

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）

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

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

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

The ISPS Code consists of a mandatory section-Part A, which shows（）

Using a file without a handle may result in （）

Which of the following items don’t belong to dock repair works?（）