网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）
A
Geographical positions outlining the area of the sector
B
True bearings as observed from the ship toward the light
C
An outline of the area of the sector
D
True bearings as observed from the light toward the ship
参考答案
参考解析
解析：
暂无解析
更多 “单选题Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）A Geographical positions outlining the area of the sectorB True bearings as observed from the ship toward the lightC An outline of the area of the sectorD True bearings as observed from the light toward the ship” 相关考题
考题
Red sectors of navigation lights warn mariners of ______.A.floating debrisB.heavily trafficked areasC.recently sunken vesselsD.shoals or nearby land
考题
Restricted areas at locks and dams are indicated by ______.A.flashing red lights upstream and fixed red lights downstremB.yellow unlighted buoysC.signs and / or flashing red lightsD.red daymarks upstream and green daymarks downstream
考题
The safety signal used on the marine radiotelephone：Ⅰ．Consists of three repetitions of the word PAN transmitted before the call sign and name of the calling station．Ⅱ．Indicates a message concerning the safety of navigation or meteorological warnings．A.ⅠonlyB.ⅡonlyC.Both Ⅰand ⅡD.Neither Ⅰnor Ⅱ
考题
材料：Navigation in the canalIt is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．问题：PILOT HOUSE is referred to ______ in this passage．A.the cabin in which the pilot staysB.the space in which the rudder is locatedC.the bridge of vesselsD.the cabin which is prepared for the pilotSHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by seaB.the procedures of marine transportation businessC.the management of marine transportation businessD.the vessels and shipsThe author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this areaB.mariners should take it easy when navigating in this areaC.modern instrument should be used to control the safety of navigation in this areaD.it is dangerous when navigating in this areaThe person on the bridge or in the pilot house shall be those ______ ．A.who are recommendedB.who are familiar with the navigation，management，operation and safety controlC.who are directly involved in the navigation，management，operation and safety controlD.who have nothing to do with the navigation，management，operation and safety control请帮忙给出每个问题的正确答案和分析，谢谢！
考题
Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of ______.A.marine broadcast Notice to MarinersB.Weekly Notices to MarinersC.corrected editions of chartsD.Light Lists
考题
A vessel not under command making way at night would show ______.A.two all-round red lights in a vertical lineB.anchor lights and sidelightsC.two all-round white lights in a vertical line，sidelights and a stern lightD.two all-round red lights in a vertical line，sidelights，and a stern light
考题
A vessel not under command shall display ______.A.two red lights at night and two black balls during daylightB.two red lights at night and three black balls during daylightC.three red lights at night and two black balls during daylightD.three red lights at night and three black balls during daylight
考题
材料：It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the canal，and master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area. Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．问题：PILOT HOUSE is referred to ________ in this passage．A.the cabin in which the pilot staysB.the space which the rudder is locatedC.the bridge of vesselsD.the cabin which is prepared for the pilotSHIPPING is referred ________ in this passage．A.the operations of transportation of GOODs by seaB.the procedures of marine transportation businessC.the management of marine transportation businessD.the vessels and shipsThe person on the bridge or in the pilot house shall be those ________．A.who are recommendedB.who are familiar with the navigation．management．Operation and safety controlC.who are directly involved in the navigation，management，operation and safety controlD.who have nothing to do with the navigation，management，operation and safety controlThe author implies that ________．A.even by making use of modern instrument it is difficult to maintain safety in this areaB.mariners should take it easy when navigating in this areaC.modern instrument should be used to control the safety of navigation in this areaD.it is dangerous when navigating in this area请帮忙给出每个问题的正确答案和分析，谢谢！
考题
In marine navigation，______is a place where a ship anchors or may anchor．A.FairwayB.ChannelC.Separation zoneD.Roadstead
考题
单选题Hydraulic control check value is generally used to （） in the marine hydraulic mechanism.A
control the back pressure of return oilB
lock the oil lines under some conditionsC
change the direction of oil flowD
act as relief valve
考题
单选题The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）A
Mayday，Mayday，MaydayB
Pan，Pan，PanC
Security，Security，SecurityD
Lights out，Lights out，Lights out
考题
单选题A vessel engaged in trawling will show identification lights of（）.A
a red light over a white lightB
a white light over a red lightC
a green light over a white lightD
two red lights in a vertical line
考题
单选题A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic of an immediate danger during fire or cargo release?（）A
An emergency boat and crewB
A siren or rotating flashing lightC
Flashing red lights located one-half mile upstream and downstream of the facilityD
Buoys with flashing lights controlled from shore，located one-half mile upstream anddownstream of the facility
考题
单选题By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.A
a floodlightB
two red lights in a vertical lineC
a single red lightD
any visible lights
考题
单选题A vessel not under command shall display（）.A
two red lights at night and two black balls during daylightB
two red lights at night and three black balls during daylightC
three red lights at night and two black balls during daylightD
three red lights at night and three black balls during daylight
考题
单选题A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.A
two all-round red lights in a vertical lineB
two yellow towing lights in a vertical lineC
two white masthead lights in a vertical lineD
two lights on the stern，one yellow and one white
考题
单选题Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.A
identificationB
distinctionC
discriminationD
clearly seeing
考题
单选题A vessel not under command making way at night would show（）.A
two all-round red lights in a vertical lineB
anchor lights and sidelightsC
two all-round white lights in a vertical line，sidelights and a stern lightD
two all-round red lights in a vertical line，sidelights，and a stern light
考题
单选题An anchored vessel on pilotage duty must show which light(s) at night? （）A
A sternlight onlyB
Anchor lights onlyC
A white light over a red light onlyD
A white light over a red light and anchor lights
考题
单选题A vessel constrained by her draft may display（）.A
three all-round red lights instead of the lights required for a power-driven vessel of her classB
the same lights as a vessel restricted in her ability to maneuverC
three all-round red lights in addition to the lights required for a power-driven vessel of her classD
the lights for a power-driven vessel which is not under command
考题
单选题The four standard light colors used for lighted aids to navigation are red，green，white，and （）.A
purpleB
orangeC
blueD
yellow
考题
单选题（） providing lubricating films, oil used in marine diesel engines have to remove heat from oil cooled piston.A
Except forB
BesideC
ExceptD
In addition to
考题
单选题Restricted areas at locks and dams are indicated by（）.A
flashing red lights upstream and fixed red lights downstreamB
yellow unlighted buoysC
signs and/or flashing red lightsD
red daymarks upstream and green daymarks downstream
考题
单选题Is considered to be one of the detainable deficiencies under the STCW Convention（）.A
Absence, substantial deterioration or failure of proper operation of the cargo deck area fire protection on tankerB
Absence, non-compliance or serious deterioration of lights, shapes or sound signalC
Absence or failure of proper operation of the radio equipment for distress and safety communicationD
Absence in a watch of a person qualified to operate equipment essential to safe navigation, safety radio communications or the prevention of marine pollution
考题
单选题An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）A
Three lights in a vertical line，the highest and lowest red and the middle white，and anchor lightsB
Three lights in a vertical line，the highest and lowest red and the middle white，ONLYC
Anchor lights ONLYD
Anchor lights and sidelights ONLY
考题
单选题A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.A
two all-round red lights in a vertical lineB
three all-round red lights in a vertical lineC
two all-round yellow lights in a vertical lineD
three all-round green lights in a vertical line
考题
单选题A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.A
during the day，three balls in a vertical lineB
during the day，three shapes，the highest and lowest being balls and the middle being a diamondC
when making way at night，two all-round red lights，sidelights，and a sternlightD
when making way at night，masthead lights，sidelights，and a sternlight
热门标签
最新试卷