A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when ______.A.directly astern and pushing the towB.towing on a hawserC.towing alongside and parallel to the vessel it is towingD.towing on the hip
A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when ______.
A.directly astern and pushing the tow
B.towing on a hawser
C.towing alongside and parallel to the vessel it is towing
D.towing on the hip
相关考题：
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 modeB.automatic modeC.remote modeD.follow-up mode
Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT ______.A.the towing hawser can be released quickly in an emergencyB.the correct navigation lights are rigged and operable on the tug and towC.an insurance underwriter has prepared a pre-sailing surveyD.a pick-up wire has been rigged on the tow in case of a breakaway.
A vessel is considered to be "restricted in her ability to maneuver" under the Rules if she is ______.A.at anchorB.mineclearingC.engaged in fishingD.engaged in towing
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.A.the masthead lights for a towing vesselB.the lights for a vessel restricted in its ability to maneuverC.sidelights，stern light and towing lightD.All of the above
______ cover loss of or damage to the subject-matter insured caused by perils of the seas rivers lakes or other navigable waters．A.INSTITUTE TIME CLAUSES-HullsB.INSTITUTE MARINE CARGO CLAUSESC.P&I Clubs Terms and ConditionsD.York-Antwerp Rules 1974
The use of an anchor to assist in turning in restricted waters is ______．A.A last resortB.Good seamanshipC.The sign of a novice shiphandlerD.To be used only with a single-screw vessel
单选题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.Adirectly astern and pushing the towBtowing on a hawserCtowing alongside and parallel to the vessel it is towingDtowing on the hip
单选题A tug is “in irons” when held in a fixed position by（）Athe weight of its tow，its being anchored，or groundedBthe weight of its towing hawser on the bottomCan adverse currentDlack of power or an engine breakdown
单选题You see a vessel carrying a black diamond which indicates a（）.Avessel towing asternBbarge pushed aheadCvessel towing astern only when the length of her tow exceeds 200 metersDthis signal does not exist in international waters
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.Athe masthead lights for a towing vesselBthe lights for a vessel restricted in its ability to maneuverCsidelights，stern light and towing lightDAll of the above
单选题The catenary（）.Aacts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the towBgives an approximation of the amount of strain on the towing hawserCis the dip in the towing hawser between the tug and the towDAll of the above
单选题How do the height and location of a tug’s towing bitts relate to the danger of tripping?（）AThe further forward and closer to amidships the more readily the tug will tripBPlacement further aft permits more effective pulling，better steering and eliminates the danger of trippingCInstalling the bitts down low lowers the center of gravityDThe height and position of towing bitts has no significance
单选题Fire protection regulations apply to those towing vessels（）.Aused only for pollution responseBowned and operated by the US governmentCused only within a barge fleeting areaDused only on inland waters
单选题An advantage of the Christmas Tree towing method is to（）.Aincrease the towing hawser's catenary and provide more springBreduce catenary，allow operation in shallower water，and to release one barge without breaking up the entire towCenable one tug and its crew without any outside assistance to make up or break down the towDprovide rapid delivery of logs from the northwestern United States to Hawaiian sawmills
单选题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.Amanual modeBautomatic modeCremote modeDfollow-up mode
单选题Which statement is TRUE concerning hawser towing? （）AThe catenary in a hawser should be sufficient so that the hawser just touches the bottomBThe hawser is of sufficient length for towing when taut between tug and towCIncreasing speed usually increases the catenary in the hawserDShortening the tow hawser generally decreases the maneuverability of the tug
单选题A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.Ano fog signalBone short blastCone prolonged and three short blastsDone prolonged，one short，and one prolonged blast
单选题A vessel towing where the tow prevents her from changing course shall carry（）.Aonly the lights for a vessel towingBonly the lights for a vessel restricted in her ability to maneuverCthe lights for a towing vessel and the lights for a vessel restricted in her ability to maneuverDthe lights for a towing vessel and the lights for a vessel not under command
单选题A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.Aat anchorBmineclearingCengaged in fishingDengaged in towing
单选题A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.Athe masthead lights for a towing vesselBthe lights for a vessel restricted in its ability to maneuverCsidelights，sternlight and towing lightDAll of the above
单选题To clean a dirty fiber towing hawser used in ocean towing，you should（）.Ause lye or other mild detergentBwash it with fresh water，dry and store itCwash it with salt waterDuse cleaning fluid on nylon，dacron and other synthetic lines
单选题In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.Ashock loading on the tow line is reduceBtowing speed is improvedCthe vessel is more visible from the tugDthe catenary of the tow line is reduced
单选题A towing vessel and her tow are severely restricted in their ability to change course. When making way，the towing vessel will show ONLY（）.Athe masthead lights for a towing vesselBthe lights for a vessel restricted in her ability to maneuverCsidelights，stern light，and towing lightDAll of the above
单选题If a towing vessel and her tow are severely restricted in their ability to change course，they may show lights in addition to their towing identification lights. These additional lights may be shown if the tow is（）.Apushed aheadBtowed alongsideCtowed asternDAny of the above