A、those with diesel engines
B、all those with gasoline engines
C、those with large engines only
D、None of the above
更多“Vessels required to be equipped with an approved backfire flame arrester are（）.”相关的问题
A、self-propelled，inspected vessels B、towing vessels C、recreational vessels D、uninspected passenger vessels
A、provide safety-related information automatically to shore stations，other vessels and aircraft B、receive safety-related information automatically from similarly equipped vessels C、exchange safety-related information with shore-based facilities D、All of the above
A、A.provide safety-related information automatically to shore stations，other vessels and aircraft B、B.receive safety-related information automatically from similarly equipped vessels C、C.exchange safety-related information with shore-based facilities D、D.All of the above
A、there are no other vessels around B、operating in a narrow channel C、the Master enters it in the ship's log D、necessary to avoid immediate danger
A、Passenger ships and high-speed crafts of 500 gross tons or more B、Oil tankers and Chemical tankers and Gas carriers C、Bulk freight vessels D、General cargo vessels
A、all fishing vessels over 39 feet in length B、sail-propelled fishing vessels C、all fishing vessels of less than 200 GT D、wooden hull fishing vessels with a poor radar echo
A、all fishing vessels over 39 feet in length B、sail-propelled fishing vessels C、all fishing vessels of less than 200 GT D、wooden hull fishing vessels with a poor radar echo
A、AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area B、AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area C、AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels，aircraft and shore stations within the area D、AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
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