单项选择题
When backing down with sternway，the pivot point of a vessel is（）.
A.about one-quarter of the vessel's length from the stern B.at the bow C.about one-third of the vessel's length from the bow D.aft of the propellers
单项选择题 What will NOT be found on the Certificate of Inspection of an ocean going tanker?（）
单项选择题 What is(are) standard operating procedure(s) used on a Ro-Ro vessel? （）
单项选择题 What is TRUE of pressure/vacuum valves? （）
