is NOT recorded in the engine log book.
Records for incineration is kept in the on a vessel.
maintains the main engine´s temperature at an ideal level.
gives the starting motion for the main engine.
The colour of flammable gas pipes is ........ according to the standard pipe marking system.
Brown is the main colour of pipes according to the standard pipe marking system.
Seawater pipes are indicated with ........ colour according to the standard pipe marking system.
There are ............. and ............. strokes in two-stroke engines.
The propulsion is produced during .......... stroke.