()measured at the midship section and taken from outside of the ship’s side shell plating on one side to the outside of ship’side shell plating on the other side.
A、Length overall
B、After perpendicular
C、Amidships
D、Extreme breadth
A、Length overall
B、After perpendicular
C、Amidships
D、Extreme breadth
A、precaution measures B、safety measures C、security measures D、emergency response measures
A、keeping the fuel tanks topped off B、increasing the free surface effect C、keeping the fuel tanks at least half MI D、keeping at least one fuel tank empty for slops
A、stability at all angles of inclination B、initial stability C、stability at angles less than the limit of positive stability D、stability at angles less than the downflooding angle
A、immediately above the level of the oil B、at the top of the tank C、in the vent riser D、one meter from the deck
A、laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places B、measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution C、rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom D、taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation
A、a straight line drawn on the chart approximates a great circle B、the chart should not be used outside of the standard parallels C、the course angle is measured at the mid-longitude of the track line D、distance cannot be measured directly from the chart