The lights on the outside of the canopy on an inflatable liferaft operate().
- Aby turning the globe clockwise
- Bby a switch at each light
- Cby a light sensor
- Dautomatically when the raft is inflated
The lights on the outside of the canopy on an inflatable liferaft operate().
1、The belt of light and variable winds b
The belt of light and variable winds between the westerly wind belt and the northeast trade winds is called the().Asubtropical high pressure beltBintertropical convergence zoneCdoldrum beltDpolar frontal zone
2、The International Association of Light
The International Association of Lighthouse authorities (IALA) buoyage system “A” uses some types of marks to distinguish safe navigation? Which...
3、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
4、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
5、The outside of our house was()painted
The outside of our house was()painted blue.AbeforeBfirstlyCoriginallyDlastly
6、The outside diameter of the pipe is ()
The outside diameter of the pipe is () the diameter of the bore of the piston rod, the result being that an annular space formed between the piston rod and the pipe.Aless thanBgreater thanCequal toDtwice larger tha