更多"()means navigational and meteorolog"的相关试题:
[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]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 warnings are published according to().
A. the designed area
B. the designated area
C. the indicated area
D. all area over the world
[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]The navigational term set of current means().
A. velocity of current in knots
B. direction from which the current folws
C. estima ed current
D. direction toward which the current flows
[单项选择]The navigational term SET OF CURRENT means().
A. velocity of current in knots
B. direction from which the current flows
C. estimated current
D. direction toward which the current flows
[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 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]The Lists of Meteorological Observation Stations can be found in().
A. ALRS
B. ALL
C. AMC
D. ATT
[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]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]If several fixed navigational lights are visible at the same time,each one may be positively identified by checking all of the following EXCEPT what against the Light List?()
A. Rhythm
B. Period
C. Intensity
D. Color
[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]I()major damage to navigational instruments.
A. has
B. had
C. have
D. have to
[单项选择]There are some navigational instruments()the bridge.
A. in
B. on
C. at
D. of
[单项选择]The officer in charge of the navigational watch shall not hand over the watch to the relieving officer if().
A. there is reason to believe that the latter is not capable of carrying out the watchkeeping duties effectively
B. the ship is fitted with automatic steering
C. there is daylight or darkness
D. at no time shall the bridge be left unattended
[单项选择]A vertex of the navigational triangle is NOT located at the().
A. elevated pole
B. celestial body
C. zenith
D. coaltitude