A.Raising the KG and increasing the draft which may put you in an unsafe operating condition
B.Increasing GM and causing a fast roll
C.Increasing the righting arm on the high side
D.Causing the vessel to yaw when underway
第1题
A.raise the free legs all the way
B.use the engines to rotate about the leg that is stuck
C.jack the barge down part way to pull the leg free
D.submerge the barge completely to give added pull
第2题
A.stop the fuel oil booster pump
B.engage the jacking gear
C.secure the lube oil pump
D.shut off the fuel at the settling tank
第3题
第5题
A.where
B.that
C.which
D.what
第6题
第7题
A.brought up
B.turn down
C.looked after
D.held back
第8题
For optimum stability during jacking operations,mat ballast tanks or spud cans should be ().
A.empty
B.fully ballasted
C.partially ballasted
D.sealed
第9题
What happened after the speaker got down from the tree?
A.The cat climbed up the tree again.
B.He couldn't come down.
C.The cat attacked him.
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