Piston cooling fins are located

A.atop the piston crown

B.beneath the piston crown

C.at the base of the piston skirt

D.inside the cylinder liner cooling water jacket

What time shall we {pass} the Suez Canal？

A.reach

B.bear

C.transit

D.watch

In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .

A.all of the oil used by the engine through a filter

B.some of the oil used by the engine through a filter

C.some of the oil used by the engine through a centrifuge

D.all of the oil used by the engine through a centrifuge

A、经济转速即是经济航速

B、经济航速即是最佳转速

C、最低燃油费用航速即最佳航速

D、最大盈利航速即是最佳航速

As Chief Officer of a vessel underway，it comes to your attention that the vessel is，in some manner，unseaworthy. Under such circumstances the Master is required to take action upon receiving ______.

A.information of such condition from yourself

B.notification of such condition from yourself and the Second Officer

C.notification of such condition from yourself and any other member of the crew

D.notification of such condition from yourself or the Second Officer

A.伤口消毒

B.固定骨折部位

C.心肺复苏