A flashing light is a light that（）. -题库考试答案搜索网

A flashing light is a light that（）.

单选题

2022-01-05 16:35

A、flashes at regular intervals at a frequency of 120 flashes or more per minute
B、is yellow in color
C、is visible over an arc of the horizon of not less than 180°nor more than 225°
D、All of the above

查看答案

正确答案

A

试题解析

标签：号灯与号型

感兴趣题目

A vessel showing a green light over a white light in a vertical line above the level of the sidelights is（）.

The Light List shows a lighted aid to navigation on the left bank. This means that the light can be seen on the starboard side of a vessel（）.

From your position you observe a rotating white and green light to the north. This light is most likely（）.

An all-round flashing yellow light may be exhibited by a(n)（）.

An all-round flashing yellow light may be exhibited by a(n)（）.

A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

A fishing vessel displaying the lights shown is（）.

A vessel displaying three red lights in a vertical line is（）.

A list signal of one white light indicates that the vessel is （）.

On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.

At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.

Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.

相关题目: Health experts are now ________ that even a little exercise, such as doing housework or light gardening, is far better than none at all; One reason that I may be the last person in Manhattan without a cell phone is that I ________ the excitement of coming home and finding a call light flashing; A towing light，according to the Rules，is a（）.; When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，（）shall be deemed to exist.; As you approach Old River Control Structure Light you see a flashing amber light. You should（）.; When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.; A flashing green light displayed at a single lock means that the lock is（）.; A flashing red light displayed at a single lock means that the lock（）.; A flashing light is a light that（）.; How is the intensity of a light expressed in the Light Lists?（）.; A vessel showing a yellow light over a white light at night is a vessel（）.; The irregular black line around a charted light such as Race Rock Light indicates that it is （）.; A towing light is a yellow light having the same characteristics as a(n)（）; A light that has a light period shorter than its dark period is described as（）.; A towing light is（）.; A towing light is（）.; The light rhythm of Morse (A) is shown on（）.; The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.; As you approach mile 659.4 AHP，you see on the right descending bank a flashing green light. This light marks（）.; From your position you observe a rotating white and green light to the north. This light is most likely（）.

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧