A fire of escaping liquefied flammable gas is best extinguished by ______.
A qualified deck officer should be______the watch.
A pumproom is suspected of accumulating gases after a ventilation machinery breakdown.Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? ______.
A protective suit which reduces the body heat-loss of a person wearing it in cold water is called______.
A proper look-out shall be maintained ______.
A position obtained by crossing lines of position taken at different times and advanced to acommon time is a(n) ______.
A position that is obtained by applying estimated current and wind to your vessel’s courseand speed is a(n) ______.
A position that is obtained by using two or more intersecting lines of position, taken atnearly the same time, is a(n) ______.
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.
A position obtained by applying only your vessel’s course and speed to a known position is a _______.
A polyconic projection is based on a ______.
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