单项选择题
A.ahead or astern B.fore or aft C.up or down D.speed or direction
The officer in charge of the engineering watch shall en...
单项选择题The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the （） of operation when notified that the ship is in congested waters.
A.manual mode B.automatic mode C.remote mode D.follow-up mode
Texture measurement by instruments will give a value in...
单项选择题Texture measurement by instruments will give a value in degree. CelciusThis scale of measurement is normally used for all readings and temperature values （） dealing with theoretical calculations involving the gas laws.
A.in addition to B.in addition that C.except that D.except when
（） thrust and resistance equal each other, the ship alw...
单项选择题（） thrust and resistance equal each other, the ship always travels at a constant speed.
A.As long as B.As far as C.As well as D.Unless
