When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?()
A、cold fuel oil
B、low fuel oil pressure
C、low atomizing steam pressure
D、water in the fuel oil
A、cold fuel oil
B、low fuel oil pressure
C、low atomizing steam pressure
D、water in the fuel oil
A、The switch port link lights will be off on both switches indicating the ports are not connected. B、The switch port link light will be off on one switch indicating that STP has disabled the port. C、The switch port link lights will flash amber indicating an error. D、The switch port link lights will be green indicating normal operation.
A、all vessels must carry an after range light B、vessels less than 50 meters in length need not carry an after range light C、vessels stopped dead in the water should turn off their range lights D、vessels over 20 meters in length must carry both range lights from sunset to sunrise
A、all vessels must carry an after range light B、vessels less than 50 meters in length need not carry an after range light C、vessels stopped dead in the water should turn off their range lights D、vessels over 20 meters in length must carry both range lights from sunset to sunrise
A、excessive purging before lighting off B、insufficient trail for ignition period C、a faulty transformer in the ignition circuit D、insufficient purging before lighting off
A、the intensity of the light B、checking the period and characteristics against the Light List C、the color,because the buoy will have only a red or a green light D、Any of the above can be used to identify the light
A、A.by turning the globe clockwise B、B.by a switch at each light C、C.by a light sensor D、D.automatically when the raft is inflated
A、A.air supply is shut off B、B.fuel supply is shut off C、C.water supply is shut off D、D.safety valve lifts
A、the masthead lights for a towing vessel B、the lights for a vessel restricted in its ability to maneuver C、sidelights,stern light and towing light D、All of the above
A、A.light characteristic B、B.color of the uppermost band C、C.shape of an unlighted buoy D、D.color of the light