Ship Construction

2

Ship Construction Exam (Quiz)3rd Eng. Course

Date: 15.04.15

1st question

a) Briefly, explain the main two purposes of the Rudder for the ship?b) Briefly, explain the theory of Rudder with necessary simple sketches?c) Name the 3 common types of Ships Rudders with simple sketch for each; indicating the names of main components?d) In all the above 3 sketches, what components of the rudder are 1 & 2 represent?

2nd Question

a) Illustrate by a sketch the PLIMSOL MARK, LOAD LINE & DECK-LINE as usually marked on ships hull showing the main dimensions on each?

b) Define the term FREEBOARD?

c) What is the main purpose of keeping a freeboard for any ship?

3rd Question

a) Normally, how many draft marks are printed on the hull of the ocean going commercial ships, and at what locations on the hull?

b) Give the following draft marks readings as illustrated below?c) Define the trim?; If the average of the forward P&S draft readings for a ship is 4 m, and the average of the aft draft readings is 5.4 m, then what is the trim of such a ship?4th QuestionSketch a 4-ram electro-hydraulic type Steering Gear, and illustrate the main components on the drawing?

5th QuestionWith reference to below Aft End Structure, put the name of each marked part?

6th Question

Draw a simple sketch for one of the following:

a) Stern-Tube Arrangements for modern ships, indicating the names of the main components that consist of?b) Stern-Tube Arrangements for an old conventional ship/ Stuffing Box Type?

7th QuestionDraw a cross section sketch for a double hull oil tanker, with the names of the main components on the drawing?