A.Strands，yarns，circumference B.Strands，wires，diameter C.Wires，yarns，diameter D.Strands，circumference，wires
A.at anchor and heading into the wind B.backing into the wind C.carrying lee rudder D.necessary to apply a leeway correction to the course
A.One shot of chain for every ten feet of water B.One shot of chain for every fifteen feet of water C.One shot of chain for every thirty feet of water D.One shot of chain for every ninety feet of water
A.Chain stopper B.Devil's claw C.Hawse ratchet D.Riding pawl
A.The vessel will not reverse direction in a tidal current B.The radius of the vessel's swing will be shortened C.A mooring approach may be made from any direction D.The vessel will not swing with a change in wind
A.Weather side B.Leeward side C.Upwind side D.Crosswind side
A.the amount of line paid out B.how much the vessel sheers while at anchor C.any change in the tautness of the anchor chain D.changes in bearings of fixed objects onshore
A.chain is clear B.anchor is clear of obstructions C.wildcat is disengaged D.All of the above
A.bow mooring／stern line B.forward spring／after spring C.forward breast rope／forward spring D.slip rope／stern line
A.soft mud B.sand C.silt D.soft to firm clays
