In the emergency alarm signals, if the

1、The radiotelegraph alarm signal may be

The radiotelegraph alarm signal may be used to announce（）.Athat a distress message will followBa request for assistance in searching for a man overboardCan urgent warning about a cycloneDAll of the above

2、The signal to guide vessels in distres

The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.Ahorizontal motion of a white flagBletter K in Morse code given by lightCcode flag S as a hoistDfiring of a white star signal

3、A yellow signal，floating in the air fr

A yellow signal，floating in the air from a parachute，about 300 feet above the water，indicates that a submarine（）.Awill be coming to periscop...

4、The signal for a fire emergency on an

The signal for a fire emergency on an OSV is（）.Aa 30 second on 30 second off alternating signalBthe continuous blast of the ships whistle f...

5、In the event of minor emergencies when

In the event of minor emergencies when the machinery spaces unattended （） will be informed of malfunction in the machinery by his cabin monitor.Athe chief engineerBthe engineer on cabin watchCthe bridge officer on watchDthe master

6、The alarm signal for engine room catch

The alarm signal for engine room catching fire is a blast of random bell follow by （）Atwo knockBthree knocksCfour knocksDfive knock