单选题When is dock survey carried out?（）A During annual repairB Usually during dock repairC Before sea trialD After 5 years from last annual survey

______, where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.

A.Voyage repairs

B.Routine docking

C.Damage repairs

D.Conversion

Preventive maintenance______.

A.should not be carried out during the watches

B.can only be carried out in port

C.is a kind of maintenances carried out prior to the occurrence

D.is a kind of maintenances carried out after the occurrence

A、carries out

B、carried out

C、was carried out

D、has carried out

When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made ______．

A.With bow out，stern in

B.With bow in，stern out

C.Parallel to the dock，as close in as possible

D.Parallel to the dock，as far out as possible

When loading bulk liquid cargo，what is the first action you should take if a cargo valve jammed open?

A.Call the owner，operator，or terminal supervisor

B.Unplug the deck scuppers

C.Order the dock man to shut down

D.Run out the vessel's or terminal's fire hose

When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?

A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosion

B.The stern bearing alignment with the stern frame should be checked

C.The interior of the stern tube should be inspected for leaks

D.The shaft liner should be removed and inspected for cracks

At ______ an occasional survey has been carried out．

A.the remind of the master

B.the refer of the master

C.the render of the master

D.the request of the master

A.Overhaul repair is a major repair.

B.Overhaul repair is carried out in a dock.

C.Overhaul repair is carried out once a year.

D.Overhaul repair is done for the purpose of rating.

If passengers are on board when an abandon ship drill is carried out，they should ______．

A.take part

B.watch

C.go to their quarters

D.stay out of the way and do what they want