题目内容

Theoutputvoltageofa440volt,60hertz,ACgeneratoriscontrolledbythe（）.

A. primemoverspeed
B. exciteroutputvoltage
C. loadonthealternator
D. numberofpoles

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Thesprinklersystemofanenclosedlifeboatisusedto（）.

A. coolthecraftinafire
B. cooltheengine
C. sprayoilontheseatocalmit
D. spraypersonnelduringafire

财务调整发起部门为（）。

A. 财务调整的申请部门
B. 财务调整的审批部门
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A. Permalloyed
B. Destroyed
C. Deployed
D. employed

Thisillustrationshowsthecorrectmethodofsecuringa（）.

A. man-rope
B. frappingline
C. seapainter
D. lifeline