单项选择题
A.Boatswain's stores B.Companions and booby hatches C.Passenger spaces D.All of the above
Which space cannot be deducted from gross tonnage when ...
单项选择题Which space cannot be deducted from gross tonnage when calculating net tonnage（）.
A.Crew messroom B.Forepeak ballast tank C.Master's cabin D.Chain locker
Which of the following tensioning devices is used with ...
单项选择题Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels（）.
A.Chain lever B.Buckle tensioner C.Adjust-a-matic tensioner D.Turnbuckle
Which of the following is a characteristic of a Ro-Ro v...
单项选择题Which of the following is a characteristic of a Ro-Ro vessel（）.
A.Passenger tours available upon docking B.Long port stays necessary to secure vehicles C.Short in port turnaround times D.Heavy vehicles only require lightweight securing equipment
