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【单选题】

The maximum distance at which a light may be seen under the existing visibility conditions is called（）.

A、nominal range

B、luminous range

C、charted range

D、geographic range

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更多“The maximum distance at which a light may be seen under the existing visibility conditions is called（）.”相关的问题
第1题
[单选题] Which method listed below is acceptable by classification society to perform hose testing to weather tight hatch covers and closing appliances（）

A、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.  B、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 3,5 kgf/cm2. The nozzle diameter is not to be less than 5mm.  C、This is to be carried out at a maximum distance of 1,5m with a hose pressure not less than 4,0 kgf/cm2. The nozzle diameter is not to be less than 8mm.  D、This is to be carried out at a maximum distance of 2,0m with a hose pressure not less than 2,0 kgf/cm2. The nozzle diameter is not to be less than 12mm.  

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第2题
[单选题] Which condition must be satisfied before an EIGRP neighbor can be considered a feasiblesuccessor?（）

A、The neighbor's advertised distance must be less than or equal to the feasible distance of the current successor.  B、The neighbor's advertised distance must be less than the f easible distance of the current successor.  C、The neighbor's advertised distance must be greater than the feasible distance of the current successor.  D、The neighbor's advertised distance must be equal to the feasible distance of the current successor .  E、The neighbor's advertised distance must be greater than or equal to the feasible distance of the current successor.  

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第3题
[单选题] Which of the following operates in the 2.4GHz range and has a MAXIMUM distance of 10 meters (33 feet)?（）

A、x-10  B、Bluetooth  C、802.11a  D、802.11b  

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第4题
[多选题] Which of the following features work the same in both RIP- 2 and RIPng?（）

A、Distance Vector Logi c  B、Uses UDP  C、Uses RIP - specific authentication  D、Maximum useful metric of 15  E、Automatic route summarization  

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第5题
[单选题] Which of the following has a MAXIMUM distance of 300 meters (984 feet)?（）

A、1000Base-T  B、10GBase-SW  C、100Base-FX  D、100Base-TX  

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第6题
[单选题] A great circle track provides the maximum saving in distance on（）.

A、easterly courses in high latitudes  B、southerly courses in high latitudes  C、westerly courses in low latitudes  D、easterly courses in low latitudes that cross the equator  

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第7题
[单选题] The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen（）.

A、under existing visibility conditions  B、under perfect visibility  C、with ten miles visibility  D、with fifteen miles visibility  

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第8题
[单选题] Geographic range is the maximum distance at which a light may be seen under（）.

A、existing visibility conditions，limited only by the curvature of the Earth  B、perfect visibility conditions，limited only by the curvature of the Earth  C、existing visibility conditions，limited only by the intensity of the light  D、perfect visibility conditions，limited only by interference from background lighting  

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第9题
[单选题] The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.

A、The distance of visibility  B、1/2 the distance of visibility  C、A distance appropriate to the existing circumstances and conditions  D、The distance that it would require for the propeller to go from full ahead to full astern  

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