更多"When can routine communications be "的相关试题:
[单项选择]When can routine communications be resumed when radio silence has been imposed?()
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. If,in the Master's opinion,communications on that frequency will interfere with emergency communications
[单项选择]Routine radio communications should be no more than().
A. one minute
B. three minutes
C. five minutes
D. eight minutes
[单项选择]A vessel is overtaking when she can see which light(s) of a vessel ahead?()
A. Only the stern light of the vessel
B. One sidelight and a masthead light of the vessel
C. Only a sidelight of the vessel
D. The masthead lights of the vessel
[单项选择]When abandoning ship and jumping into the water from a substantial height without a life jacket,you should().
A. dive head first,using your hands to break the surface of the water
B. hold your arms firmly at your sides and jump feet first
C. jump feet first,covering your nose and mouth with one hand and grasping the opposing upper arm with the other
D. jump feet first,holding your knees to your chest
[多项选择]What two choices can you make when redundancy is required from a branch office to a regional office?()
A. multiple Frame Relay PVCs
B. dualWan links to the regional office
C. dualWan links to another branch office
D. single links - one to the regional office and one to another branch office
[单项选择]When making landfall at night,you can determine if a light is a major light or an offshore buoy by().
A. the intensity of the light
B. checking the period and characteristics against the Light List
C. the color,because the buoy will have only a red or a green light
D. Any of the above can be used to identify the light
[单项选择]The apparent wind can be zero when the true wind is from().
A. ahead and equal to the ship's speed
B. astern and equal to the ship's speed
C. ahead and equal to twice the ship's speed
D. astern and equal to twice the ship's speed
[单项选择]A body can only be observed at lower transit when().
A. the declination is the opposite name to the latitude
B. the algebraic sum of the colatitude and declination exceeds 90
C. the observer is in high latitudes above either polar circle
D. the body is circumpolar
[单项选择]The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind().
A. must be from dead ahead
B. speed must be zero
C. must be from dead astern
D. must be on the beam
[单项选择]()20 targets can be tracked at one time.When maximum tracking capacity is reached,no further acquisitions are possible.
A. As many as
B. So many as
C. As much as
D. As more as
[单项选择]When we write, we must write as()as we can.
A. careful
B. carefully
C. more careful
D. more carefully
[单项选择]When out of sight of land, a ship’s position can be found by using().
A. the coastal navigation
B. the celestial navigation
C. traditional navigation
D. the great circle navigation
[单项选择]When order spare part, you can directly fall back on ()
A. the manager
B. your agent
C. the PSCO
D. the master
[单项选择]A ship can request completion of a () when the ship is at a higher security level than the port facility or another ship it is interfacing with.
A. DOC
B. DOS
C. SSP
D. SMC
[单项选择]When visibility is restricted(),we can say it is restricted visibility.
A. by long distance
B. by the darkness at night
C. by a vessel in front
D. by fog or falling snow
[填空题]It is
when
you nearly lose someone
when
you become
fully
conscious of how much you value
them
.