The characteristic of a lighted cardin

1、By night，you sight the lights of a ves

By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.Aa floodlightBtwo red lights in a vertical lineCa single red lightDany visible light

2、A light characteristic of composite gr

A light characteristic of composite group flashing indicates that there is a(n)（）.Asharp turn in the channelBnarrowing in the channel at that pointCjunction in the channelDobstruction that must be left to port

3、In the Uniform Cardinal System of Buoy

In the Uniform Cardinal System of Buoyage，a buoy in the eastern quadrant from a danger could（）.Abe black and white horizontally stripedBbe black and white vertically stripedChave a red top markDbe any of the above

4、The period of a lighted aid to navigat

The period of a lighted aid to navigation refers to the（）.Adate of construction or establishmentBlength of time between flashes of the lightCtime required for the longest flash of each cycleDtime required for the light to complete each cycle

5、How is the intensity of a light expres

How is the intensity of a light expressed in the Light Lists?（）.ALuminous rangeBGeographic rangeCNominal rangeDMeteorological range

6、On a chart，the characteristic of the l

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