單項選擇題The productivity of working shifts can be improved through a decrease of（）.

A.working hours
B.gangs
C.idle time
D.weight per set


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1.單項選擇題The patches where rust have been removed should be wiped clean before paint is（）.

A.applied
B.supplied
C.replied
D.complied

2.單項選擇題The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accomplish all of the following EXCEPT（）.

A.evaluate the danger of each closing visual or radar contact
B.adjust speed with due regard for the weather and visibility
C.reduce speed only where local speed limits are posted
D.enter all required test and inspection results in the vessel's log or other record carried on board

3.單項選擇題The Muster List (“Station Bill”) of a ship must be signed by the（）.

A.person in charge
B.Coast Guard marine inspection officer
C.company safety director
D.entire crew

5.單項選擇題The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and（）.

A.environmental forces
B.bottom conditions
C.cable weight
D.water density