EXAMINATION PAPERS 673
2 What is "broken stowage" and where is it most likely to occur?
3. What would you do when discharging if you found damaged cargo?
4. What are shifting boards? When are they necessary and how are
they erected?
5. The capacity of a hold is 48,696 cub. ft. In it are stowed 312 tons of
slab marble at 18 cub. ft. per ton. How many cases of macaroni
can be stowed above the marble if 35 cases occupy a ton space of
40 cub. ft.?
6 Sketch and describe a stern frame.
7. How is a propeller secured to the shafting?
8. A vessel has four W.T. bulkheads in the double bottom. How are
the pipes led to the forward tank and how are they led through
the bulkhead?
9. Construct a curve of displacement having given:—
Displacement tons 270 830 1370 2020 2750 3630
Draught in feet 2' 4' 6' 8' 10' 12'
(a) If the vessel's draught when light is 6' 4", what is her dead-
weight, her load draught being 12 ft.?
(b) If she has 510 tons of ballast on board what would her mean
draught be?
Paper 10.
1. Describe the duties of a second mate when loading the following
cargoes:—(a)" A heterogeneous cargo. (&) Bice in bags from
lighters, (c) A bag cargo of wheat for three ports.
2. Freight is charged at 24s. to the ton, measuring 40 cub. ft. per ton,
A package 10' 6"x4/ 6"x7" weighs 7 tons 4 cwts. Find the
freight (a) by weight; (b) by measurement.
3. What are irttercostals? How are the compartments in a C.D.B.
made accessible for inspection and cleaning?
4. What is a stem bar? How is it connected to (a) a bar keel; (b) to a
flat plate keel?
6. A ship has a deep tank extending the breadth and depth of the
vessel and has double bottom tanks of the same'capacity. Will
there be any difference in the efEect of the C. of GL if these tanks are
filled separately, and if so, for what reason?