更多"No navigational aids are shown and "的相关试题:
[单项选择]No navigational aids are shown and chart is not kept（）for alterations in depths inside the pecked lines joining Hurst pt. to Warden pt.
A. accurate
B. correct
C. corrected
D. accuracy
[单项选择]No navigational aids are shown and the chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information，the larger scale charts must be （）.
A. referred to
B. appreciated
C. met with
D. concerned
[单项选择]There are many navigational aids（）.
A. in chief engineer's room
B. in chief officer's room
C. on the bridge
D. on deck
[单项选择]On navigational aids，what does the light characteristic Fl(2+1) mean?（）
A. A flashing light combined with a fixed light of greater brightness
B. Light flashes combined in groups，with a different number of flashes in each group
C. A light showing groups of two or more flashes at regular intervals
D. A fixed light varied at regular intervals by groups of two or more flashes of greater brightness
[单项选择]Many of the soundings shown on the chart are derived from （）.Undue reliance should not be placed upon them．
A. complete and often very poor surveys
B. correct and often very good surveys
C. inadequate and often very old surveys
D. adequate and present surveys
[单项选择]Which statement about radio navigational warnings is TRUE（）.
A. The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same
B. NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound
C. The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W
D. Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter
[单项选择]The WWNWS establishes three types of navigational warning:（）.
A. Distress, Urgency and Safety
B. Vital, Important and Routine
C. NAVAREA, Coastal and local
D. gale, Tsunami and Ice
[单项选择]Navigational marks used for informational or regulatory purposes are（）.
A. solid yellow
B. white with orange geometric shapes
C. red and white vertically-striped
D. green and red horizontally-banded
[单项选择]Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
A. broadcast
B. broadcasted
C. are broadcast
D. are broadcasted
[单项选择]Navigational charts are subject to frequent changes，the important ones of which are promulgated by （）.
A. Admiralty Notices to Mariners
B. Mariner's Handbook
C. Catalogue
D. Sailing Directions
[单项选择]Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A. pilot charts
B. Notices to Mariners
C. Tide Tables
D. Current Tables
[单项选择]（）means navigational and meteorological warnings, meteorological forecasts and other urgent related messages broadcast to ships.
A. Navigational broadcast
B. weather forecast
C. Urgency message
D. Maritime Safety Information
[单项选择]There are some navigational instruments（）.
A. in bridge
B. on the deck
C. in the radio room
D. on the hold
[单项选择]Two navigational hazards are located near to each other，but each is marked by an individual cardinal buoyage system. The buoys of one cardinal system may be identified from the other system by（）.
A. the differing light colors
B. one system having odd numbers while the other system has even numbers
C. one system using horizontal bands while the other system uses vertical stripes
D. the difference in the periods of the light
[单项选择]Navigational warnings are published according to（）.
A. the designed area
B. the designated area
C. the indicated area
D. all area over the world
