Naval Questions part 30

C

Collin

Charter Member
Remember, these questions were composed between 1940 and 1945.

Questions

291 When are the dog watches?

292 What is the purpose of the dog watches?

293 What is the origin of the term?

294 Who control the Signal Stations in Great Britain?

295 What does "f.o.b." stand for?

296 How many nautical miles are there in a degree?

297 What is a pelorus?

298 What is meant by displacement tonnage?

299 And by deadweight tonnage?

300 And gross tonnage?

Answers next Sunday.

regards Collin:ernae:
 
291 When are the dog watches?
og watch, in marine or naval terminology, is a watch, a

period of work duty or a work shift, between 1600 and 2000

(4 p.m. and 8 p.m.)

292 What is the purpose of the dog watches?
The reason behind this watch's existence is that in order

for the crew to rotate through all the watches it was

necessary to split one of the watches in half. This allowed

the sailors to stand different watches instead of one team

being forced to stand the mid-watch every night.

293 What is the origin of the term?
The name is thought to have come from the fact that someone

tasked with one of these 'half' watches was said to be

'dodging the watch', taking or standing the 'dodge watch'.

This became shortened to 'dog watch':running:
 
294 Who control the Signal Stations in Great Britain?
CHIEF OFFICER, ROYAL NAVAL SHORE SIGNAL SERVICE

295 What does "f.o.b." stand for?
FOB stands for "Free On Board", and is always used in

conjunction with a port of loading.[1] Indicating "FOB port"

means that the seller pays for transportation of the goods

to the port of shipment, plus loading costs. The buyer pays

cost of marine freight transport, insurance, unloading, and

transportation from the arrival port to the final

destination. The passing of risks occurs when the goods pass

the ship's rail at the port of shipment.

296 How many nautical miles are there in a degree? 60

297 What is a pelorus? : a navigational instrument

resembling a mariner's compass without magnetic needles and

having two sight vanes by which bearings are taken

298 What is meant by displacement tonnage? the actual total

weight of the vessel

299 And by deadweight tonnage?
the displacement at any loaded condition minus the lightship

weight. It includes the crew, passengers, cargo, fuel,

water, and stores.

300 And gross tonnage?
a function of the volume of all ship's enclosed spaces (from

keel to funnel) measured to the outside of the hull framing.:guinness::guinness:
 
298. The weight of the water that the hull displaces. It varies depending on the ships loading in the water.
 
Answers

Answers.

291 The first is from 1600 to 1800 hours, the last from 1800 to 2000 hours.

292 To make odd numbers of watches in the twenty-four hours thus giving the men a different watch each day.

293 Perhaps from "docked" watches.

294 The Society of Lloyds.

295 Free on board.

296 Sixty.

297 An instrument for taking compass bearings.

298 The weight of water displaced by a ship when floating at her load draught.

299 The number of tons of cargo or stores she can carry.

300 The measure of internal volume of all the enclosed spaces in the ship.

Well done all.

regards Collin:ernae:
 
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