Charging is the filling of the engine cylinder with a supply of () for compression.
A、water
B、fresh air
C、fuel oil
D、gas
A、water
B、fresh air
C、fuel oil
D、gas
A、at the lowest point B、near the batteries C、at the highest point D、only when charging is in progress
A、The tank lie above the waterline and are filled B、The tank are partically filled with dry cargo C、The tanks are partially filled with liquid cargo D、The tanks are filled and lie below the waterline
A、A.The tanks lie above the waterline and are filled B、B.The tanks are partially filled with dry cargo C、C.The tanks are partially filled with liquid cargo D、D.The tanks are filled and lie below the waterline
A、A.The tanks lie above the waterline and are filled B、B.The tanks are partially filled with dry cargo C、C.The tanks are partially filled with liquid cargo D、D.The tanks are filled and lie below the waterline
A、all lighting circuits are energized B、all void spaces are filled C、the correct grade of cargo has been loaded D、the heavier grade is in the lower hold
A、Each vent for the tank must be equal to the area of the tank filling line B、The tanks must be protected by overflows C、The total area of the vents or the overflow shall be at least equal to the area of the fill line D、There must be twice as much vent area as the area of the fill line