单项选择题
A.the pump discharge B.the manifold connection C.each fire station discharge D.the pump station
Each fire hose coupling on a ship must have threads tha...
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 Fire hose Coupling C.American Society of Mechanical Engineers D.Underwriter's Laboratories,Inc
Each EPIRB required on an OSV shall be tested using the...
单项选择题Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every().
A.week B.two weeks C.month D.two months
Each EPIRB required on a ship shall be stowed in a mann...
单项选择题Each EPIRB required on a ship shall be stowed in a manner which will permit().
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