海船船员 - 二副 - 查题吧

单选题

Of all the extinguishing agents listed below，which one has the greatest capacity for heat

A. Water fog
B. Carbon dioxide
C. Dry chemical
D. Solid stream of water

单选题

Our ship is ________ take additional cargo in three ports on her way home．

A. pay attention to
B. planned to
C. in order to
D. have to

单选题

Periodic publications notifying changes in，or additions to，previously published navigational data is ________ ．

A. Supplements
B. Annual Summary
C. Navigational Warnings
D. Notice to Mariners

单选题

In restricted visibility the safe speed of a vessel without operational radar may be ________ enable effective avoiding action to be taken on sighting another ship．

A. too low to
B. too high to
C. too high for
D. too low for

单选题

Halogenated hydrocarbon， Halon in short form，is used on board ship as ________ ．

A. fire-extinguishing medium
B. a standard fire test
C. a non-combustible material
D. a fire main

单选题

Freeboard is a measure of which of the following？Ⅰ．The amount of reserve buoyancy．Ⅱ．The initial stability of the vessel．

A. Ⅰ only
B. Ⅱ only
C. Both Ⅰ and Ⅱ
D. Neither Ⅰ nor Ⅱ

单选题

Goods may be dangerous not merely by reason of the fact that they may endanger the safety

A. detain
B. be detained
C. be detaining
D. detains

单选题

The term Longitudinally Separated From by a Complete Hold in the preparation of stowage plan for dangerous cargoes means that ________ ．

A. the cargoes shall be stowed in such positions that their vertical distances be greater than 3 meters
B. the cargoes shall be stowed in different holds or compartments
C. the cargoes shall be stowed in different holds or compartments between which there is at least a complete compartment
D. the cargoes shall be stowed in different holds or compartments between which there is at least a complete hold

单选题

From 1800 to 1968 Admiralty charts were published with fathoms and feet as the units for depths，and feet as the units for height．Since 1968 Admiralty charts ________ to meters，thus conforming with charts of most other countries．

A. gradually converted
B. have been gradually converted
C. has been gradually converted
D. is gradually converted

单选题

More exact assessment of visibility when ________ is used to determine the range of vessel

A. radar
B. omega
C. satellite navigator
DF

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