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.
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 emergency
B.the correct navigation lights are rigged and operable on the tug and tow
C.an insurance underwriter has prepared a pre-sailing survey
D.a pick-up wire has been rigged on the tow in case of a breakaway.
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What qualities should a captain have? A、Natural leadershipB、Positive attitudeC、Cohesion (凝聚力)D、All of the above
The Declaration of Inspection made before oil transfer operations must be signed by the ______.A.Master of the vesselB.Captain of the PortC.person(s) in chargeD.All of the above
A tow can override its tug as a result of ______.A.a mechanical breakdown on the tugB.adverse tidal current conditionsC.the tug reducing its speedD.All of the above
A tug may be in danger of tripping when ______.A.towed sideways by an overwhelming force on the towlineB.her tow moves parallel to and forward on either side of the tugC.the tow is no longer directly astern but moves up on her quarterD.All of the above
With a large tow astern，there is immediate danger to the tug in the event of the ______．A.Tug losing powerB.Tow line partingC.Bridle twistingD.Tow broaching
Which operating procedure（s）should be adhered to on a Ro-Ro vessel ________．A.One officer assigned to oversee the initial loading and lashingB.All lashings should be completed before leaving portC.Periodic inspection and retensioning of lashings during the voyageD.All of the above
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 ______．A.reduce the draft of the bargeB.shorten one leg of the bridleC.place bulky deck loads as far aft as possibleD.trim the barge down by the bow
An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful Which action should now be taken?______.A.Abandon the towing vessel.B.Radio for emergency assistance.C.Slip the towline and allow it to run off the drum.D.Secure all watertight openings on the towing vessel.
船舶离港之前，所有的吊杆必须纵向收放好。（）A、Before leaving the harbour, all derricks must be stowed.B、After leaving the harbour, all derricks must be stowed fore and aft.C、Before leaving the harbour, all derricks must be stowed fore and aft.D、Before leaving the harbour, all heavy derricks must be stowed fore and aft.
Before leaving the harbour, all derricks must be （）properly.A、tightenedB、securedC、unfastenedD、loaded
单选题An ocean tow is sinking in deep water. Attempts to sever the towing hawser are unsuccessful. Which action should now be taken? （）AAbandon the towing vesselBRadio for emergency assistanceCSlip the towline and allow it to run off the drumDSecure all watertight openings on the towing vessel
单选题On a long ocean tow，the bridle should be made up of two equal lengths of（）.AchainBwireCnylonDmanila
单选题In securing deck loads for an ocean tow，drill pipe should be（）.Agalvanized to protect against corrosionBheld in place with heavy materials such as spare pendant wireClimited to no more than five courses highDprovided with bulwarks at both ends of their bays
单选题Before entering or leaving a harbour, the ship should be given a （）(彻底) cleaning.AthrowBthroughCthoroughDthough
单选题A tug would NOT assist a ship to steer if the tug is made up to the large vessel（）.Aby a tow line ahead of the vesselBforward on either bow of the vesselCapproximately amidships of the vesselDon the vessel's quarter
单选题A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the（）.Asteamer will drift stern downwindBtug will drift faster than the steamerCtug should approach stern toDtug should approach from downwind
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According to the ship emergency plan, when average accident happened and the captain made the decision to withdraw from the engine room before leaving the engine room, the wrong operation is that （）Athe chief engineer leaves the engineer room with the engine room log book at firstBreleasing compressed air in the air receiver and closing the watertight doorCstopping all the running machineries and electric devicesDclosing the quick-closing valves of all the oil tanks, stopping the boiler and releasing gas
单选题Which statement is true regarding the Port Aggregation Protocol？ （）AConfiguration changes made on the port-channel interface apply to all physical ports assigned to the portchannel interface.BConfiguration changes made on a physical port that is a member of a port-channel interface apply to the port-channel interface.CConfiguration changes are not permitted with Port Aggregation Protocol； instead， the standardized Link Aggregation Control Protocol should be used if configuration changes are required.DThe physical port must first be disassociated from the port-channel interface before any configuration changes can be made.
单选题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（）.Areduce the draft of the bargeBshorten one leg of the bridleCplace bulky deck loads as far aft as possibleDtrim the barge down by the bow
单选题A tow can override its tug as a result of（）.Aa mechanical breakdown on the tugBadverse tidal current conditionsCthe tug reducing its speedDAll of the above
单选题To reduce stress on the towing hawser when towing astern (ocean tow)，the hawser should be （）.Asecured to the aftermost fitting on the towing vesselBjust touching the waterCunderwaterDas short as possible
单选题You are under sail and overtaking a tug and tow.Which action is correct（）.AThe power-driven tug must maneuver to avoid collisionBYou must maneuver to avoid the tug and towCYou must maneuver to avoid collision only if the tug is to leeward and the wind is on your port sideDBoth vessels are required to maneuver to avoid collision