NS101 6 Week Exam (Lessons 1-4) Questions and Answers with complete solutions

Stem - Answer-Forward end of the keel extending up the bow. Stern post - Answer-Aft end of the keel extending up the stern Propeller - Answer-Also known as a screw. Primary means of propulsion on a ship. Mast - Answer-Mounting point for radar and telecommunication equipment. Rudder - Answer-Primary means of steering a ship. Keel - Answer-The spine of the ship. Runs from bow to stern. Frames - Answer-Ribs of the ship and fastened to the keel. Numbered starting at the bow. Longitudinal Frame - Answer-Runs bow to the stern parallel to the keel Plating - Answer-The skin of the ship (Outer, Deck, Inner Bottom). Bilge - Answer-Lowest point on the ship and below the engineering spaces. Slightly bowl shaped to collect fuel or other fluids that drip from the engineering spaces. Main Deck - Answer-The uppermost sheltered deck that runs the entire length of a vessel. Also known as the 1ST Deck Weatherdeck - Answer-Any portion of the main deck and level(s) that is outside Lifelines - Answer-Lines erected around the edges of the main and weatherdecks for the purposes of safety. Waterline - Answer-Where the hull meets the surface of the waterFreeboard - Answer-Amount of hull that can be seen from the waterline to the main deck. Measured in feet. Forecastle - Answer-The part of the main deck that is forward of the mast. Lifelines - Answer-Lines erected around the edges of the main and weatherdecks for the purposes of safety Length Overall (LOA) - Answer-Total length of the ship from bow to stern Length at the Waterline (LWL) - Answer-Length of the ship under the water. Draft - Answer-Vertical distance from waterline to keel, measured in feet. Indicates depth of water needed for ship to float. Changes as the ship burns or takes on fuel, stores, weapons Trim - Answer-The relationship between fore and aft draft. "In trim", "down by the bow", or "down by the stern" List - Answer-Balance of the ship. "Listing port" or "Listing starboard"