When the alarm bell sounds on a self-contained, demand-type breathing device, how long will reserve air supply last?
A
About 4-5 minutes
B
About 8-10 minutes
C
About 12-15 minutes
D
About 18-20 minutes
E
İlgili Sorular
If a chart indicates the depth of water to be 6 fathoms and your draft is 6.0 feet, what is the dept...A star is observed at lower transit. The line of position derived from this sight is __________.Aboard small passenger vessels the steering gear, signaling whistle, controls, and communication sys...In which casualty case is it UNNECESSARY to notify the local Coast Guard Marine Safety Office?While at operating draft, the DEEP DRILLER suffers flooding in the port pump room. Both port bilge p...