Ship+Construction+Homework

** Exercise CON1A **
1. The distance between the extreme points of the ship forward and aft is called ___?__ 2. Define baseline plane and what is it used for?

3. Define moulded breadth and moulded depth?

4. An imaginary line drawn perpendicular to the waterline at the point where the forward edge of the stem intersects the summer loadline is called?

5. How is the position of the after perpendicular determined?

6. What is meant by the extreme dimensions of breadth and depth?

7. What are the dimensions length overall and length between perpendiculars used for?

8. On what official document would you find gross and net tonnage, length overall, moulded dimensions, etc. recorded on?

9. What structural member is located below the baseline plane?

10. What are the abbreviations for length overall and length perpendiculars?

** Exercise CON1B **
1. The centreline of a vessel is located at points equidistant from: a. fore and aft b. fore and aft perpendiculars c. port and starboard d. keel and deck

2. Amidships is located at points equidistant from: a. fore and aft b. fore and aft perpendiculars c. port and starboard d. keel and deck

3. The shape of a vessel’s hull may be divided into three sections, which are, commencing from forward a. entrance, run, parallel body b. run, parallel body, entrance c. entrance, parallel body, run d. run, entrance, parallel body

4. The purpose of camber is to: a. add reserve buoyancy at the ends b. increase freeboard c. assist in Deck Drainage d. increase Moulded Depth

5. The purpose of sheer is to: a. add reserve buoyancy at the ends b. increase freeboard c. assist in deck drainage d. increase moulded depth

6. Two structure which may both be referred to as superstructures are: a. deckhouse, masthouse b. poop, forecastle c. forecastle, deckhouse d. poop, masthouse

7. The portion of the ship’s shell from the flat of the bottom to the upward rise of the sides is known as: a. shell radius b. turn of shell c. bilge d. turn of bilge

8. In some ships, the midships shell plating in the region of the upper deck is slightly curved toward the centreline reducing the width of the upper decks. What term describes this design feature?

9. Illustrate flare?

10. The bottom plating of a vessel is sometimes sloped up from the keel to the ship’s side to facilitate drainage. What is the term used to describe this?

11. What is the term used to describe the slope of the stem, which is usually not vertical, but slopes aft from top to bottom?

12. What is the term used to describe the end of a superstructure?

13. Define the afterpeak space.

14. What is the term given to the vessel’s exterior hull structure?

Illustrate the use of a beam knee bracket in ship construction.

Answers will be posted after class discussion