单项选择题

Each fire hydrant must have at least one spanner and at least one（）.

A.hose rack or reel
B.all purpose nozzle
C.foam applicator
D.pick axe

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单项选择题

Each fire hose coupling on a ship must have threads that meet the specifications of the（）.

A.American Petroleum Institute
B.National Standard Firehose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc

单项选择题

During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.

A.instructed in the use of portable fire extinguishers
B.shown a video demonstrating lifeboat launching
C.instructed in the use of life jackets
D.not required to attend the boat drill

单项选择题

During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.

A.black
B.red
C.orange
D.yellow