DBAUGHT UF WATER

383

AN OFFICIAL LOG.
DRAUGHT OF WATER.

be Line* used in connection with the Disc

k hne marked under the pnmswas of the Merchant Shipping Act, 1894.
Manpom load Lc* m winter -- feet - tnchfs below the eeatre of the <£«.

bad line in winter, North Atlantic _ feet _ laches below the centre of the (file.

Maxinunn draught of water m fi

* dap a *» lowJed that the opper tdp of «*eh Lae narked "S" w on the tarftee of the mt«r tad the

LACE OR HARBOUR witb dw DRAUGHT OF WATER AND FREEBOARD

htfi't pnctt&ag to Sta.

Totxl

UlMWXM
(1*)

udHoar

of ,
Arrival

I
also be required to sign the entry of these particulars. Supplemental
official log books and the authorised form of Notice (Form L.L. 14)
to be used as from the 1st October, 1930, will be obtainable free of
charge from the Superintendents of Mercantile Marine Offices in the
United Kingdom, or from British Consular Officers or Shipping Officers
at ports abroad.
Penalty.—Failure to make the required entries of draught and
freeboard -at the proper time renders the master liable under Section 443
of the Merchant Shipping Act, 1894, to a fine not exceeding £100 for
each offence.
QUESTIONS.
1. Describe the marine hydrometer, its construction and the principle
of its flotation.
2. Describe in detail how you would go about getting the density
of sea water when under way,
3 Distinguish between "density" and "specific gravity."
4. A hydrometer indicates 1015 when floating in water. What
exactly does this mean? »
5. What is meant by buoyancy and how is.it made possible?
6. A caisson when filled with ballast weighs 10 tons and measures
200 cubic feet, what weight will be on the crane when the caisson is
> the water."
:-286 tons.