单项选择题
The owner or Master of a towing vessel shall ensure that all tests and inspections of gear take place and are logged（）.
A.when a new Master assumes command
B.daily，at 0800 local zone time
C.weekly，before 2400 Saturday
D.immediately after assuming the watch
点击查看答案&解析
相关考题
-
单项选择题
The irregular black line around a charted light such as Race Rock Light indicates that it is （）.
A.unwatched
B.surrounded by riprap
C.a minor light
D.constructed on an artificial island -
单项选择题
The horizontal flat surfaces where the upper stock joins the rudder are the（）.
A.rudder keys
B.rudder palms
C.lifting flanges
D.shoes of the rudder -
单项选择题
The grip of a joint represents the（）.
A.thickness of the connected members
B.diameter of the head
C.entire length of the rivet
D.diameter of the shank
