单项选择题
What happens to the pulling power of a winch when retrieving wire rope?（）
A.It increases
B.It decreases
C.It remains the same
D.It fluctuates，depending on the gearing system
点击查看答案&解析
相关考题
-
单项选择题
What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?（）
A.Chainplate
B.Hound
C.Crowfoot
D.Spreader -
单项选择题
What does the term end-for-end refer to in regard to a wire towing hawser?（）
A.Cutting off the bitter and towing ends of the wire rope
B.Splicing two wire ropes together
C.Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end
D.Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum -
单项选择题
What can be used to measure the percentage of oxygen inside a chain locker?（）
A.Flame safety lamp
B.Combustible gas indicator
C.Oxygen indicator
D.H2S meter
