更多"There are many navigational aids()."的相关试题:
[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]No navigational aids are shown and chart is not kept corrected for alterations in depths inside the pecked lines. For more detailed information, the larger scale charts must be().
A. bought
B. analyzed
C. consulted
D. published
[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]Many navigational warnings are of a temporary nature,but others remain in force for several months or may be succeeded by().
A. Notices to Mariners
B. Sailing Directions
C. List of Lights and Signals
D. Guide to Port Entries
[单项选择]Our ship()with many modern navigational instruments.
A. equipped
B. is equipped
C. equips
D. has equipped
[单项选择]0ur ship()with many modern navigational instruments.
A. equipped
B. is equipped
C. equips
D. has equipped
[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