A towing light is（）.

A . A bitt B . A bulkhead C . A V-spring D . A fishplate

A . special flashing light B . anchor light C . sternlight D . masthead light

A . bight ring B . tow hook C . fishplate D . swivel

A . flashes at regular intervals at a frequency of 120 flashes or more per minute B . is yellow in color C . is visible over an arc of the horizon of not less than 180°nor more than 225° D . All of the above

A . towing vessel is less than 50 meters B . towing vessel is greater than 50 meters C . tow is less than 200 meters D . tow is greater than 200 meter

A . engaged in piloting B . towing astern C . engaged in fishing D . in distre

A . spooling it on a winch cathead B . coiling it in a counterclockwise direction on the fantail C . faking it on deck in a fore and aft direction D . spooling it on a reel lying on its side to prevent rolling

A . Chain B . Ring C . Solid thimble D . A fishplate

A . is easy to connect B . provides an effective catenary and absorbs shock due to its weight C . makes rigging a swivel unnecessary D . prevents the tow from yawing by the drag of the chains in a seaway

A . made only of wire rope，due to possible weather conditions B . that will have the tow on a crest while your vessel is in a trough C . that will have the tow on a crest while your vessel is on a crest D . with little dip to gain maximum control of the tow

A . Length of the towline B . Height of the towline connection C . Longitudinal position of the towline connection D . Direction of opposing force

A . pushed ahead B . towed alongside C . towed astern D . Any of the above

A . a vessel towing by pushing ahead B . a power-driven vessel，not towing C . a barge being pushed ahead D . either answer A or answer B

A . Survey vessel B . Vessel not under command C . Vessel aground D . Pilot vessel with port side to you

A . on course B . headed fair C . holding on D . in shape

A . heart-shaped shackle B . pelican hook C . swivel D . ring

A . no fog signal B . one short blast C . one prolonged and three short blasts D . one prolonged，one short，and one prolonged blast

A . Group flashing B . Composite group flashing C . Interrupted quick flashing D . Fixed and flashing

A . the catenary dragging on the bottom B . swamping of the tow C . the tow tending to dive D . yaw

A . not exceed bare steerageway during the transit B . take a strain as soon as you can to control the tow C . come up to speed very slowly and maintain a safe speed D . come up to speed quickly，then cut back power considerably to ease the strai

A . it is overtaken by the tow B . it is pulled sideways by the tow C . the weight of the towing hawser causes loss of maneuverability D . the propeller is fouled by the towing hawser

A.pushed ahead B.towed alongside C.towed astern D.Any of the above