When anchoring in open anchorage, chief engineer should consult with captain （）

单项选择题In the voyage, duty officer should inform （） situation to the duty engineer immediately.

A.in/ut port
B.passing through big bridge
C.big steering angle for direction changing
D.in/out port and passing through big bridge

单项选择题Statutory survey could be divided into two kinds, they are （）

A.first survey and certificate exchange survey
B.first survey and operation survey
C.first survey and periodic survey
D.classification survey and certificate exchange survey

单项选择题（）is not the main function of CCS.

A.ship products survey
B.notarization survey
C.ship safety inspection
D.counseling service and publishing ship name list

单项选择题If some surveys refer to statutory survey and ship classification survey but occur temporarily, we call them （）

A.periodic survey
B.statutory survey
C.additional survey
D.annual survey

单项选择题Medium survey should be carried out （） times during the valid period of the certificate.