航海英语水手工艺单项选择题每日一练(2018.11.08)

单项选择题
A flounder plate，on a topping lift，is（）.
A.a fairlead block
B.a swivel pin for the topping lift block
C.a triangular steel plate with a hole at each corner
D.the lower block of a multiple part topping lift
单项选择题
The purpose for the bag or box on top of some survival craft is to（）.
A.right the craft in case of capsizing
B.increase area for radar detection
C.act as a sail in case of a power loss
D.steady the craft in heavy seas
单项选择题
What is meant by spotting the boom?（）
A.Lowering it into a cradle
B.Placing it in a desired position
C.Spotting it with wash primer and red lead
D.Two-blocking it
单项选择题
It’s no good（）down by head．
A.to sail
B.sails
C.sailing
D.sailed
单项选择题
How should you try to right a capsized small sailing vessel?（）
A.Position all personnel at the stern and rock the vessel upright
B.Position all personnel around the mast and lift the vessel upright
C.Lock the centerboard in the down position，stand on the centerboard，and pull on a shroud or a halyard
D.Put the centerboard in the up position and have all personnel haul in on the line attached to the mast