Which signal of the followings is not provided onboard lifeboat? A. Rocket parachute signals B. Buoyant smoke signals C. Hand flare signals D. Self-igniting signals

单选题

_____ sends a radio signal from the bottom of the ship to the sea-bed, from which it is reflected. A. The marine sextant B. The chronometerC. The echo sounder D. The radar

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单选题

Which vessel is the stand-on vessel when two vessels crossing in fog are NOT in sight of one another?A. The vessel which has the other on her own starboard sideB. The vessel which has the other on her own port sideC. The one which hears the other‘s fog signal firstD. Neither vessel is the stand-on vessel

答案解析

单选题

Which signal of the followings is not provided onboard lifeboat?A. Rocket parachute signals B. Buoyant smoke signalsC. Hand flare signals D. Self-igniting signals

答案解析

单选题

Keep quiet to avoid missing the sound of signal.

答案解析

单选题

Position 2 of the switch gives a signal of the aircraft airborne condition.

答案解析