A.located in an air-conditioned area
B.mounted in the passenger compartment
C.protected by a collision bulkhead
D.permanently mounted
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A.Three lights in a vertical line，the highest and lowest red and the middle white，and anchor lights
B.Three lights in a vertical line，the highest and lowest red and the middle white，ONLY
C.Anchor lights ONLY
D.Anchor lights and sidelights ONLY
A.vessel laying cable
B.vessel towing a submerged object
C.vessel not under command
D.air cushion vessel
A.Opening and closing the throttle
B.Rocking the wings
C.Flashing the navigational lights off and on
D.Flashing Morse T
A.has long life
B.is light weight
C.absorbs shock
D.has fine adjustment
A.increase the towing hawser's catenary and provide more spring
B.reduce catenary，allow operation in shallower water，and to release one barge without breaking up the entire tow
C.enable one tug and its crew without any outside assistance to make up or break down the tow
D.provide rapid delivery of logs from the northwestern United States to Hawaiian sawmills
最新試題
An “on-load” release system on a survival craft means the cable can be released（）.
An example of a grade C product is（）.
All of the following vessels are “restricted in their ability to maneuver” EXCEPT a vessel （）.
All towing vessels of 26 feet or longer while navigating are required to carry which item? （）
An example of an anchor which has a stock is a（）.
All personnel on board a vessel should be familiar with the rescue boat’s（）.
All portable fire extinguishers must be capable of being（）.
All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
An azimuth angle for a body is measured from the（）.
An anchored vessel is servicing an aid to navigation and is restricted in her ability to maneuver. Which lights will she show? （）