Bilge keels are fitted on ship to（）.

An over-speed safety device is usually fitted to a generator engine for ___ in the event of over-speed.

A.stabilizing the ship speed

B.increasing the fuel pump setting

C.braking the crankshaft

D.cutting power off the engine

Bilge keels are fitted on ships to ______．

A.Assist in drydock alignment

B.Improve the vessel's stability

C.Protect the vessel from slamming against piers

D.Reduce the rolling of the vessel

Strips of timber fixed to the frames of a ship，either in a horizontal or vertical direction，which keep cargo away from the sides of the ship，assisting ventilation and helping protect against a buildup of moisture or condensation are termed as______．

A.frames

B.shell plates

C.bilge plates

D.cargo batten

Bilge keels are more effective at dampening rolls as the ______.

A.pitching increases

B.list increases

C.rolling increases

D.draft decreases

Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel．This kind of wording usually appeared on ______.

A.ship surveyor's report

B.a ship's certificate

C.a cargo inspection report

D.a diver survey report

Floors aboard ship are ______．

A.also called decks

B.vertical transverse plates connecting the vertical keel with the margin plates

C.large beams fitted in various parts of the vessel for additional strength

D.found in passenger and berthing spaces only

When the ship is going to enter into the harbor, ____.

A.change from heavy fuel oil to diesel oil for main engine

B.pumping out bilge water

C.change sea chest from high level one to lower level one

D.test emergency generator