单项选择题
A.indicates the engine's particulars B.tells the engine's function C.shows the engine's type D.refers to the engine's information
Most medium and slow speed diesels are started by what ...
单项选择题Most medium and slow speed diesels are started by what medium?（）
A.Electric starting motors B.Hydraulics C.Compressed air D.Ether
Many sheath-screw davits have markings to indicate the ...
单项选择题Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.
A.may jam against the stops B.will not automatically position the boat at the embarkation station C.screw may come out of the sheath D.will chafe against the falls and may cause their failure
Maintaining the close tolerances in diesel fuel pumps a...
单项选择题Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.
A.fuel/water separators B.day tanks C.injector test stand D.fuel filters
