单项选择题
A.Stop Engine B.No Engine Revolutions C.Stand-by Engine D.Finished With Engine
The order “（）” means “Maximum maneuvering engine revolu...
单项选择题The order “（）” means “Maximum maneuvering engine revolution for ahead propulsion”.
A.Full Ahead B.Half Ahead C.Full Astern D.Half Astern
The trim of a vessel is the （）.A.value of the mean draf...
单项选择题The trim of a vessel is the （）.
A.value of the mean draft B.degree of list C.amount of roll D.difference in fore and aft drafts
The explosive range of a mixture of flammable vapors is...
单项选择题The explosive range of a mixture of flammable vapors is specified as a percentage of （）.
A.flammable vapor by volume in air B.oxygen present to support combustion C.the temperature of the flash point D.the lower limit of explosibility of the mixture
