其他其他其他2007年第2期海船船员适任证书全国统考试题(总第43期)
题目内容

A ground in an electrical circuit outside the engine room ______.

2024-07-09

A.cannot be detected under normal conditions

B.is of no consequence to engineering personnel

C.is indicated at the branch circuit breaker panel

D.is indicated by the ground detecting lamps on the main switchboard

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