The angular movement of a vessel about a horizontal line drawn from its bow to its stern is ().
A、pitching
B、rolling
C、heaving
D、swaying
A、pitching
B、rolling
C、heaving
D、swaying
A、Horizontal movement of the water toward the land after high tide B、Horizontal movement of the water toward the land after low tide C、Horizontal movement of the water away from the land following high tide D、Horizontal movement of the water away from the land following low tide
A、varies depending upon the bearing used B、is the angular difference between magnetic north and compass north C、is published on the compass rose on most nautical charts D、is the angular difference between geographic and magnetic meridians
A、varies depending upon the bearing used B、is the angular difference between magnetic north and compass north C、is published on the compass rose on most nautical charts D、is the angular difference between geographic and magnetic meridians
A、vertical movement of the water B、horizontal movement of the water C、density changes in the water D、None of the above
A、Prevents lateral movement of the slow speed gear B、Transmits propeller thrust to the hull C、Keeps spring bearings in line D、Prevents main reduction gear axial movement