A.six weeks
B.six months
C.twelve months
D.two years
您可能感興趣的試卷
你可能感興趣的試題
A.the name of the unit on which it is located
B.the date that it was installed on the unit
C.the names of the individuals qualified to use it
D.an identification number different from other extinguishers on the unit
A.the pump discharge
B.the manifold connection
C.each fire station discharge
D.the pump station
A.American Petroleum Institute
B.National Standard Fire hose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc
A.week
B.two weeks
C.month
D.two months
A.easy access to its storage compartment
B.replacement of the battery without exposure to the weather
C.it to float free if the unit sinks
D.it to remain attached to the unit
最新試題
Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.
Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT（）.
Each hand portable，semi-portable and fixed fire extinguishing unit on a ship must be tested and inspected at least once every（）.
During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）
During the manufacture of line，yarns are twisted together in the（）.
During which condition should the operator of a pedestal crane shutdown operations?（）
During transfer operations，a quantity of propylamine spills on deck. According to the Chemical Data Guide，the correct procedure would be to（）.
Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.
Each fire pump on a tanker must have a pressure gauge located at（）.
During the winter months，the southeast trade winds are（）.