Entering from sea,a daymark on the port side of the channel would be indicated on a chart by a().
A、A.red triangle with the letter R
B、B.white triangle with the letters RG
C、C.green square with the letter G
D、D.white square with the letter GR
A、A.red triangle with the letter R
B、B.white triangle with the letters RG
C、C.green square with the letter G
D、D.white square with the letter GR
A、oil from flowing out of the tank vent B、air from entering the tank vent C、vapors from leaving the tank vent D、flames on deck from entering the tank vent
A、moderating winds and heavy confused seas to strike his vessel from all directions B、the winds to increase to hurricane force and strike from a different direction as the eye passes C、the barometer to reach the lowest point D、All of the above
A、protect the pump from fine soluble contaminants B、prevent solid particles from entering the pump C、prevent solid particles from entering the filter D、protect the directional control valves
A、A.oil from flowing out of the tank vent B、B.air from entering the tank vent C、C.vapors from leaving the tank vent D、D.flames on deck from entering the tank vent
A、A.A long swell from an unusual direction B、B.A lengthy lull in the wind and seas C、C.Large seas coming from different directions D、D.A brisk chop from the southeast
A、red triangle with the letter R B、white triangle with the letters RG C、green square with the letter G D、white square with the letters GR
A、keep the propeller from being fouled B、increase propeller speed C、help calm the waves in the vicinity of the craft D、increase the holding power of the sea anchor
A、keep the propeller from being fouled B、increase propeller speed C、help calm the waves in the vicinity of the craft D、increase the holding power of the sea anchor