单项选择题

Which of the followings is not an indication of a bad maintenance?（）

A.a pipe with welded connections
B.a pipe with several clips
C.a cement box
D.a leaking valve

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单项选择题

In deciding to detain a ship or not, the PSCO would better not（）

A.make his decision independently
B.request the owner’s representative to provide proposals
C.cooperate with the flag State Administration’s representatives
D.consult the organization responsible for issuing the relevant certificates

单项选择题

The main purpose of port State control is not to（）

A.prevent an unsafe ship proceeding to sea
B.prevent a ship threatening the marine environment
C.fine the ships
D.confirm a safe sailing

单项选择题

If the PSCO has clear grounds for carrying out a more detailed inspection,（）

A.the master should be immediately informed
B.the master will be prohibited from contacting the Administration or other organization
C.he will carry out the inspection after the master be informed and be ready
D.he will carry out the inspection without informing the master