A tug in irons is().
A、A.rudder bound
B、B.being tripped by the towline
C、C.unable to maneuver
D、D.broached
A、A.rudder bound
B、B.being tripped by the towline
C、C.unable to maneuver
D、D.broached
A、shorten the hawser or increase the tug's speed B、lengthen the hawser or reduce the tug's speed C、place your tug in irons D、make a sharp turn
A、the weight of its tow,its being anchored,or grounded B、the weight of its towing hawser on the bottom C、an adverse current D、lack of power or an engine breakdown
A、steamer will drift stern downwind B、tug will drift faster than the steamer C、tug should approach stern to D、tug should approach from downwind
A、A.east iron is a cheap material B、B.cast iron can pollute sea water C、C.cast iron has mere corrosive than bronzes to sea water D、D.cast iron is more corrosive to sea water when it meets with bronzes
A、Britain.s steel industry is declining. B、No more new discoveries of iron ore have been found in Britain. C、Supplies of iron ore are now mostly foreign. D、Compared with newer plants in the world,Britain.s steelworks are not efficient.
A、A.shock loading on the tow line is reduce B、B.towing speed is improved C、C.the vessel is more visible from the tug D、D.the catenary of the tow line is reduced
A、from the ship's propeller when making up aft B、from being overrun if making up forward C、hull damage while alongside passing a hawser D、getting in a tripping position