Cold weather starting of a diesel engine may be made easier by（）

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

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

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

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.

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

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

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

Under MARPOL Code the ship to which it applies has to carry （）

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