A tug is towing three manned barges in line in fog. The first vessel of the tow should sound ().
How do the height and location of a tug’s towing bitts relate to the danger of tripping?()
A tug is “in irons” when held in a fixed position by()
Before leaving port on an ocean tow,a tug captain should assure himself of all the following EXCEPT().
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because().
A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the().
A tug may be in danger of tripping when().
A tow can override its tug as a result of().
SDH的基本复用单元包括C、VC、()、TUG、AU和AUG。
You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow,you should().