单选题A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.Aengaged in underwater constructionBunder sail and powerCa pilot vesselDtrawling
单选题
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.
A
engaged in underwater construction
B
under sail and power
C
a pilot vessel
D
trawling
参考解析
解析：
暂无解析
相关考题：
A list man would expect to see any of the following light signals EXCEPT ______.A.two red lightsB.one green lightC.one white lightD.one amber light
A list signal of one white light indicates that the vessel is ______.A.on an even keelB.listing about 1° to the side the light is displayed onC.listing over 5°With the light displayed on the high sideD.listing，and the chutes should be directed to the side where the light is displayed
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
A vessel may use any sound or light signals to attract the attention of another vessel as long as ______.A.white lights are not usedB.red and green lights are not usedC.the signal cannot be mistaken for a signal authorized by the RulesD.the vessel signals such intentions over the radiotelephone
A vessel showing a green light over a white light in a vertical line above the level of the sidelights is ______.A.engaged in underwater constructionB.under sail and powerC.a pilot vesselD.trawling
A vessel trawling will display a ______.A.red light over a white lightB.green light over a white lightC.yellow light over a red lightD.white light over a green light
The Coordinator Surface Search（CSS）in a SAR situation should display by night ______．A.Deck lights forward and aftB.A white light over two red lightsC.A red light，white light，and blue light in a vertical lineD.A distinctive signal promulgated by the CSS
A buoy marking a wreck will show a(an) ______.A.white light FL (2) and a topmark of 2 black spheresB.occulting green light and may be letteredC.yellow light and will be numberedD.continuous quick white light and may be numbered
Please light the pilot lamp.（）up and （） down. （）A、White；redB、Red； whiteC、Red； greenD、Green ；red
单选题A preferred-channel buoy will show a（）.Awhite light whose characteristic is Morse (A)Bgroup-occulting white lightCcomposite group-flashing (2 + 1) white lightDcomposite group-flashing (2 + 1) red or green light
单选题The Coordinator Surface Search（CSS）in a SAR situation should display by night（）.ADeck lights forward and aftBA white light over two red lightsCA red light，white light，and blue light in a vertical lineDA distinctive signal promulgated by the CSS
单选题A vessel showing a yellow light over a white light at night is a vessel（）.Aengaged in pilotingBtowing asternCengaged in fishingDin distress
单选题A vessel may use any sound or light signals to attract the attention of another vessel as long as（）.Awhite lights are not usedBred and green lights are not usedCthe signal cannot be mistaken for a signal authorized by the RulesDthe vessel signals such intentions over the radiotelephone
单选题A vessel engaged in trawling will show identification lights of（）.Aa red light over a white lightBa white light over a red lightCa green light over a white lightDtwo red lights in a vertical line
单选题You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.ASurvey vesselBVessel not under commandCVessel agroundDPilot vessel with port side to you
单选题At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.Ared lightsBred lights and two white lightsCred lights with a white light in betweenDwhite lights with a red light in between
单选题A vessel being pushed ahead is required to carry which of the following lights?（）.ASidelights and a stern lightBSidelights onlyCSidelights and a small white light at each endDA small white light at each end
单选题A single vessel being towed alongside shall exhibit（）.Aone all-round white lightBsidelights and a stern lightConly the outboard sidelight and a stern lightDa masthead light，sidelights，and a stern light
单选题A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.Aengaged in underwater constructionBunder sail and powerCa pilot vesselDtrawling
单选题A buoy marking a wreck will show a(n)（）.Awhite light FL (2) and a topmark of 2 black spheresBocculting green light and may be letteredCyellow light and will be numberedDcontinuous quick white light and may be numbered
单选题An anchored vessel on pilotage duty must show which light(s) at night? （）AA sternlight onlyBAnchor lights onlyCA white light over a red light onlyDA white light over a red light and anchor lights
单选题A vessel trawling will display a（）.Ared light over a white lightBgreen light over a white lightCyellow light over a red lightDwhite light over a green light
单选题From your position you observe a rotating white and green light to the north. This light is most likely（）.Afrom a submarine on the surfaceBthe light at Southeast PointCat an airportDon a coastal patrol vessel
单选题A list signal of one white light indicates that the vessel is （）.Aon an even keelBlisting about 1° to the side the light is displayed onClisting over 5° With the light displayed on the high sideDlisting，and the chutes should be directed to the side where the light is displayed
单选题The four standard light colors used for lighted aids to navigation are red，green，white，and （）.ApurpleBorangeCblueDyellow
单选题A list man would expect to see any of the following light signals except （）.Atwo red lightsBone green lightCone white lightDone amber light
单选题From your position you observe a rotating white and green light to the north. This light is most likely（）.Aat an airportBon a naval mine-countermeasures vesselCBlock Island North LightDon a vessel engaged in public safety activity
单选题The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.Avertical motion of white flagsBvertical motion of a white light or flareCfiring of a green star signalDNone of the above