单选题The changes in the channel’s sands and buoys on this coast are（）this chart can not be considered as a safe guide of the channel.AfrequentBso frequentCfrequent thatDso frequent that
单选题
The changes in the channel’s sands and buoys on this coast are（）this chart can not be considered as a safe guide of the channel.
A
frequent
B
so frequent
C
frequent that
D
so frequent that
参考解析
解析：
暂无解析
相关考题：
On either side of York River Entrance Channel, there are areas bounded by short-long magenta lines and marked by yellow buoys. These areas are ______.A.fish trap areasB.designated anchoragesC.spoil areasD.naval exercise areas
Preferred channel buoys indicate the preferred channel to transit by ______.A.odd or even numbersB.the color of their top bandC.the location of the buoy in the channel junctionD.the buoy’s light rhythms
is a channel's capacity which directly reflects the data transfer rate of the channel.A．The delayB．The volumeC．The noiseD．The bandwidth
He played on the ________ for two hours and when he returned he found half his goods ________ stolen. A.sands...wasB.sand...wereC.sand...wasD.sands...were
Shipping articles are contracts of agreement between the members of the crew and the __________.A.CharterersB.Coast GuardC.MasterD.vessel's owner
A stretch where the channel changes from one side of the river to the other is called a ______.A.bifurcationB.transitC.crossingD.changeover
You are entering an east coast port and see a buoy with a yellow triangle painted on it．This indicates ______．A.you are in the vicinity of the ICWB.the buoy is a special markC.the buoy is off stationD.the buoy designates a sharp turn in the channel
材料：MV Magellan was inbound from Rotterdam to berth 207 at Southampton Container Terminal．At 0530 the pilot boarded the ship at the Nab Tower pilot station．The pilots and the masters passage plans were exchanged and the ships pilot card was given to the pilot．The passage continued along the East Solent，during which time there were various VHF radio conversations between vessels and Southampton VTS，about restricted visibility．The VTS officer gave the pilot a countdown from 5 to 2 cables to the Gurnard buoy．This was given so that the pilot could judge the timing of the wheel-over manoeuvre for the 141° turn into the narrow Thorn Channel．The wheel-over occurred at about 0652 and the ship began to turn．At this time，the W Bramble and NE Gurnard buoys，which are at the entrance to Thorn Channel，could not be seen because of restricted visibility．Various helm and engine movements were made during the turn．However，when W Bramble and NE Gurnard buoys appeared，the pilot realized that the ship was in the wrong position for the heading she was on．Despite further helm and engine orders，the vessel grounded soon after，at 0700．It was not until about 0710 that the escort harbor launch informed VTS of the grounding．With the assistance of two tugs，the ship was refloated near the time of high water，and she safely berthed at 1232．问题：MV Magellan applied wheel at ________ to turn into the narrow Thorn Channel．A.0530B.0652C.0700D.0710The important navigational mark or marks at the entrance to the Thorn Channel is（are）________．A.Southampton Container TerminalB.the East SolentC.the Nab TowerD.the W Bramble and NE Gurnard buoysThe suggestion of a countdown from 5 to 2 cables to the Gurnard buoy is ________．A.for the pilot to judge easily when the wheel should be used to make the turn into the narrow Thorn ChannelB.to remind the pilot that the depth around there is not sufficient for MV MagellanC.to inform the pilot that the visibility around the buoy is reduced furtherD.to request the pilot that further consideration should be given to the wheel-over manoeuvre for the 141° turnIt can be concluded that the cause of the grounding was that ________．A.the Bramble and NE Gurnard buoys were disappearedB.the VHF radio conversations between vessels and Southampton VTS，about restricted visibility，were insufficient and improperC.Thorn Channel was too narrowD.there was an error of judgment by the pilot during the execution of the turn into Thorn Channel请帮忙给出每个问题的正确答案和分析，谢谢！
A vessel’s position should be plotted using bearings of ______.A.buoys close at handB.fixed known objects on shoreC.buoys at a distanceD.All of above
Which two statements about SAN port channels configured on Cisco Nexus 5000 Series switches are true？ （） A、 The bring up protocol automatically detects and overrides any misconfiguration.B、 You can manually configure channel groups， or they can be automatically created.C、 Changes in configuration to the SAN port channel interface must also be made to all members of the channel group.D、 The port channel protocol uses the exchange fabric parameters command to communicate across peer ports in an ISL.E、 The port channel protocol ensures that a set of ports is eligible to be part of the same SAN port channel.
Which two statements about end-host mode in SAN connectivity in a Cisco UCS environment are true？ （）A、 End-host mode is synonymous with NPV mode.B、 In end-host mode， only hard pinning of vHBAs to Fibre Channel uplink ports is allowed.C、 Making configuration changes between Fibre Channel switching mode and end-host mode is nondisruptive.D、 End-host mode is the default Fibre Channel switching mode.
Which command must be run after an administrator has made changes to /etc/services to activate the changes？（）A、/etc/rc.tcpipB、refresh -s inetdC、startsrc -s inetdD、startsrc -g tcpip
单选题（）is an equipment used to detect the presence of ships ,buoys,coast and many other targels and to obtain range and bearing of these targets.AThe marine sextantBThe chronometerCThe echo sounderDThe radar
单选题A vessel’s Classification Certificate is issued by the （）.AAmerican Bureau of ShippingBNational Cargo BureauCUnited States Coast GuardDUnited States Customs
单选题You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.Ayou are in the vicinity of the ICWBthe buoy is a special markCthe buoy is off stationDthe buoy designates a sharp turn in the channel
单选题Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be kept on board（）.Afor 1 yearBfor 2 yearsCuntil the next Coast Guard inspectionDuntil the vessel's Certificate of Inspection expires
单选题A shepherd’s crook is used to（）.Alower spring buoys into the waterBfind an anchor after the buoy has been lostCtransfer a pennant wire to the anchor handling boatDclean chain as it is hauled into the rig
单选题Magnetic variation changes with a change in（）.Athe vessel's headingBsea conditionsCseasonsDthe vessel's position
单选题Preferred channel buoys indicate the preferred channel to transit by（）.Aodd or even numbersBthe color of their top bandCthe location of the buoy in the channel junctionDthe buoy's light rhythms
单选题A stretch where the channel changes from one side of theriver to the other is called a（）.AcrossingBtransitCtransferDpassing
单选题The light rhythm of Morse (A) is shown on（）.Apreferred-channel buoysBstarboard- or port-side buoysCspecial marksDsafe water buoys
单选题How is “radio silence” imposed?（）ABy the On Scene Coordinator (OSC)BBy the Coast Earth Station (CES) controlling the distress communications on that frequencyCIt is imposed by the Public Correspondence Station (PCS) controlling the distress communications on that frequency or channelDIt is imposed by the High Seas Service (HSS) controlling the distress communications on that frequency or channel
单选题When entering a channel from seaward，the numbers on buoys（）.Aare the same as their Light List numberBare marked in 6 inch figures with retroreflective materialCincrease with the even numbers to starboardDdecrease with the odd numbers to starboard
单选题Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? （）AFlashingBQuick flashingCComposite group flashingDEqual interval (isophase)
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A towing vessel’s fire detection system may be certified to comply with the Coast Guard’s towing vessel fire protection regulations by（）.Aa Coast Guard inspectorBa registered professional engineerCthe owner or Master of the vesselDa licensed electrician
单选题Which of the following statements is true ?ASwimming across the Channel takes less than four hours.BThe idea of a Channel tunnel or bridge is a very new one.CIt is considered to be more difficult to swim across the channel than any other means.DA tunnel or bridge would only reach as far as the coast.