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Q8. With the aid of sketches:
a. Explain various lines plan.
b. The half -breadths of waterplane of a ship of 120m length ad 15m breadth are given below:Station
0
1
2
3
4
5
6
7
8
Half-breadth
1.6
2.8
5.5
6.4
7.3
6.2
4.2
2.0
0
Calculate i) Water plane area ii) TPC in salt water iii) Cw iv) LCF from Mid-ship
- 09
- 10
Q8. A ship 100 m long floats at a draught of 6 m and in this condition the immersed cross-sectional areas and water plane areas are as given below. The equivalent base area (Ab) is required because of the fineness of the bottom shell.
Section
AP
1
2
3
4
5
FP
Immersed cross section area (m2)
12
30
65
80
70
50
0
.
Draught (m)
0
0.6
1.2
2.4
3.6
4.8
6.0
Waterplane area (m2)
Ab
560
720
880
940
1000
1030
Calculate EACH of the following:
(a) The equivalent base area value Ab;
(b) The longitudinal position of the center of buoyancy from midships;
(c) The vertical position of the center of buoyancy above the base.
Question Subject: MEO Class II : NAVAL (2020/MAR)
Total Questions: 10