The disadvantage of using a heaving line to pass a towline is that ______.
A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
第1题
A.when approved by the lockmaster
B.when locking downbound
C.at no time
D.during high water only
第2题
A.only after two hours in the water
B.only after four hours in the water
C.before entry into the water
D.upon entry into the water
第4题
A.the operator's representative
B.the crew required by the Certificate of Inspection
C.the galley personnel
D.the designated person in charge
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