On open waters,a power-driven vessel shall keep out of the way of a().
A、A.vessel on her port side that is crossing her course
B、B.vessel that is overtaking her
C、C.seaplane on the water
D、D.sailing vessel
A、A.vessel on her port side that is crossing her course
B、B.vessel that is overtaking her
C、C.seaplane on the water
D、D.sailing vessel
A、the dark appearance of the underside of a cloud layer due to reflection of a surface of open water B、the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water C、the yellowish-white glare on the underside of a cloud layer D、water sky
A、A.Vessel heels until water enters a hatch B、B.Vessel in collision floods through a damaged area above the waterline C、C.Vessel takes on water due to the hatches being left open in heavy rain D、D.Vessel takes on water by the propeller shaft due to failure of the stern gland
A、that the fuel valve is open B、if the air supply system is open C、if the water sprinkler system is open D、if the limit switch is on
A、prevent stress concentration in the bulwark B、permit easy jettison of deck cargo in an emergency C、provide openings through the bulwarks for mooring lin D、allow water shipped on deck to flow off rapidly
A、prevent stress concentration in the bulwark B、permit easy jettison of deck cargo in an emergency C、provide opening through the bulwarks for mooring lines D、allow water shipped on deck to flow off rapidly
A、too much cooling water going through the condenser B、not enough refrigerant in the system C、a leak in the evaporator coils D、no enough cooling water going through the condenser
A、cut off the power B、cut off the oil inlet C、open guide water valve D、close oil outlet value
A、bleeding refrigerant from the condenser B、opening a drain petcock on the oil separator C、condensing the water in the heat exchanger D、using a dehydrator cartridge