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
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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
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
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