The angle to which a floating ship,with a negative initial metacentric height,lies while at rest in still water is the angle of().
A、A.trim
B、B.yaw
C、C.heel
D、D.loll
A、A.trim
B、B.yaw
C、C.heel
D、D.loll
A、increases as the boom's angle to the horizontal increases B、is at a maximum when the boom is at a 45° angle to the horizontal C、increases as the boom's angle to the horizontal decreases D、decreases as the boom's angle to the horizontal decreases
A、may jam against the stops B、will not automatically position the boat at the embarkation station C、screw may come out of the sheath D、will chafe against the falls and may cause their failure
A、frames to which the tank top and bottom shell are fastened on a double bottomed ship B、transverse members of the ships frame which support the decks C、longitudinal beams in the extreme bottom of a ship from which the ships ribs start D、longitudinal angle bars fastened to a surface for strength
A、increases as the angle to the horizontal increases B、increases as the angle to the horizontal decreases C、is greatest at an angle of 45° and decreases as the boom is raised or lowered D、is least at an angle of 45° and increases as the boom is raised or lowered