Movement of liquid in a tank when a vessel inclines causes a

Which statement about the free surface effect is TRUE ________．

A.It increases in direct proportion to the length of the tank times the breadth squared

B.It decreases at increased angles of heel due to pocketing when a tank is 90% full

C.It decreases in direct proportion to increasing specific gravity of the liquid in the tank

D.In practice，the correction is considered to be a virtual reduction of KG

The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．

A.volume of liquid in the tank

B.displacement of the vessel

C.location of the tank in the vessel

D.height of the center of gravity of the vessel

Pump out No. 2 port ballast tank to ______.

A.keep vessel afloating

B.refloat vessel listing to starboard

C.make vessel all-right

D.bring vessel upright

Movement of liquid in a tank when a vessel inclines causes an increase in ______．

A.Righting arm

B.Metacentric height

C.Height of the uncorrected KG

D.Natural rolling period

The free surface effects of a partially full liquid tank decrease with increased ______．

A.Density of the liquid

B.Placement of the tank above the keel

C.Displacement volume of the ship

D.Size of the surface area in the tank

Cargo transfer operations on a tank vessel need NOT be stopped when ______.

A.a tug comes alongside while the tanker is loading grade D and E cargoes

B.a large，fresh oil spill is discovered immediately adjacent to the side of the tanker

C.there is an electrical storm in the vicinity

D.there is a fire on the dock or on a nearby vessel