Using a file without a handle may result in （）

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

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

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

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

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

Engine parameters shall be corresponded to NOx Technical Files. This is required by （）

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

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）