In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency.
A: fire fighting
B: leakage blocking
C: abandon ship
D: integratio
A: fire fighting
B: leakage blocking
C: abandon ship
D: integratio
举一反三
- What sound signal means the ship will be abandoned immediately? A: three prolonged blasts B: seven short blasts followed by one prolonged blasts C: one short and one long blast D: one short and followed by two prolonged blasts
- The noise of the fire alarm r_____ throughout the building last night. (to sound loudly or for a long time)
- Which one of the followings is incorrect?（） A: My vessel was anchored waiting for dry-docking B: Only towards the end did I sound the alarm C: Hearing emergency alarm,everyone got confused D: When everything was almost under control, it is unnecessary to bother other
- If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）. A: start the fire pump B: go to your man overboard station C: go to your lifeboat station D: stand by for collisio
- Though sea water is the best mode of fighting fire, the main emergency fire fighting system can only be used on fires of ________.