更多"The time required for a lighted aid"的相关试题:
[单项选择]The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.
A. ascending the river
B. descending the river
C. crossing the river
D. proceeding towards sea
[单项选择]The period of a lighted aid to navigation refers to the（）.
A. date of construction or establishment
B. length of time between flashes of the light
C. time required for the longest flash of each cycle
D. time required for the light to complete each cycle
[单项选择]The time required to incline from port to starboard and back to port again is called（）.
A. initial stability
B. range of stability
C. inclining moment
D. rolling period
[单项选择]The time required to incline from bow down to stern down and return to bow down again is called（）.
A. rolling period
B. amplitude moment
C. inclining moment
D. pitching period
[单项选择]Vessels are required to illuminate their（）to aid identification.
A. funnels
B. tunnels
C. channels
D. handles
[单项选择]Lighted information markers show（）.
A. green lights
B. red lights
C. yellow lights
D. white lights
[单项选择]The characteristic of a lighted cardinal mark may be （）.
A. very quick flashing
B. flashing
C. fixed
D. occulting
[单项选择]The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
A. purple
B. orange
C. blue
D. yellow
[单项选择]Lighted white and orange buoys must show which color light?（）
A. Orange
B. White
C. Red
D. Alternating yellow and white
[单项选择]What is the light characteristic of a lighted，preferred-channel buoy? （）
A. Group flashing
B. Composite group flashing
C. Interrupted quick flashing
D. Fixed and flashing
[单项选择]What is a lighted safe water mark fitted with to aid in its identification（）.
A. A spherical topmark
B. Red and white retroreflective material
C. A sequential number
D. A red and white octagon
[单项选择]A mooring buoy，if lighted，shows which color light?（）
A. Yellow
B. White
C. Blue
D. Any color except red or green
[单项选择]A lighted preferred-channel buoy may show a（）.
A. fixed red light
B. Morse (A) white light
C. composite group-flashing light
D. yellow light
[单项选择]A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A. Flashing
B. Morse A
C. Equal interval
D. Occulting
[单项选择]A mid-channel buoy，if lighted，will show a（）.
A. fixed red light
B. Morse (A) white light
C. green light
D. flashing red light
[单项选择]The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.
A. oxygen and explosion meter when it is used for detection of flare gases
B. self-contained breathing apparatus，when used as protection from gas leaking from a refrigeration unit
C. boots and gloves that are made of rubber or electrically non-conductive material，if used when repairing electrical equipment
D. lifeline，if used by personnel entering a compartment which might be deficient of oxygen
[单项选择]Signaling devices required on inflatable liferafts include a(n) （）.
A. Very pistol
B. orange smoke signal
C. air horn
D. lantern
[单项选择]Required lifesaving equipment on existing vessels may becontinued in use on the vessel if（）.
A. kept on board no more than 2 years
B. inspected and serviced every 6 months
C. destroyed if more than 5 years old
D. maintained in good and serviceable condition
[单项选择]Complete information on weather broadcasts throughout the world is contained in（）.
A. Selected Worldwide Marine Weather Broadcasts
B. your local newspaper
C. the Notice to Mariners
D. the daily weather map
