单项选择题
Any extinguishing agent used on a Class “C” fire must have which important property? （）
A.Cooling ability
B.Leaves no residue
C.Penetrating power
D.Nonconductivity
点击查看答案&解析
相关考题
-
单项选择题
Antares is found in what constellation?（）
A.Scorpio
B.Corvus
C.Libra
D.Corona Borealis -
单项选择题
An undocumented vessel with 10 people aboard and operating 25 miles off the seacoast must carry a survival craft of the（）.
A.inflatable buoyant apparatus type
B.buoyant apparatus type
C.life float type
D.Any of the above types are acceptable -
单项选择题
An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?（）
A.Masthead lights and sidelights
B.One sidelight，the masthead lights and stern light
C.Both sidelights
D.Stern light
