Cargo

Question 1

What is Net Tonnage?

Answer 1

Measure of ships cargo carrying capacity. A subtraction from gross tonnage of crew quarters and nav equipment

Question 2

How would we determine the amount of cargo we can load?

Answer 2

Do a draught survey to determine current displacement. Find summer displacement and load the difference

Question 3

What is gross tonnage?

Answer 3

Measure of total internal volume including all spaced used for cargo, passengers, crew and machinery

Question 4

What are the Grain ship stability requirements?

Answer 4

Initial gm 0.3m
Upright before sailing
Angle of heel due to grain shift no greater than 12•
Area above heeling arm & below curve 0.075mr

Question 5

What hazards does a coal cargo present?

Answer 5

Liquidation
Flammable atmosphere
Self heating
Corrosion

Question 6

At what angle would you treat a cargo as if it were grain and therefore trimming procedures?

Answer 6

Any cargo that has an angle of repose for less than 30• to be treated as if it were grain.

Trimming procedures as per imsbc code section 5

Question 7

Explain and angle of LOLL

Answer 7

An angle of loll is an angle at which a ship with a negative initial metacentic height will lie at.

Question 8

What is the intact stability criteria for a vessel loading grain?

Answer 8

Angler of heel sure to shift not to exceed 12•
Area under curve between 0-40

Question 9

What concerns would you have when loading grain?

Answer 9

Cargo shift
Cleanliness
Infestation
Trimming
Pesticides
Oxygen depletion
Hot bulkheads
Stability

Question 10

What is a bill of lading?

Answer 10

A receipt of the goods shipped in ships custody.
Proof of a contract between seller and buyer
Document of title

Question 11

What is a group B bulk cargo?

Answer 11

Cargos which possess a chemical hazard which could give rise to a dangerous situation.

Question 12

What are the IMDG classifications of cargo?

Answer 12

1- explosives
2- gases
3- flammable liquid
4- flammable solid
5- oxidising substances
6- toxic and infectious substances
7- radioactive
8- corrosive
9- misc

Question 13

Explain the TML

Answer 13

Transportable moisture limit

Cargoes that contain a certain amount of moisture may liquify when the moisture content exceeds the TML

Question 14

What is the BLU code and its aim?

Answer 14

The code of practice for the loading and unloading of bulk carriers.

Provides guidance to ship masters of bulk carriers, terminals, and other parties on how to safely handle and load solid bulk cargo

Question 15

What is the IMSBC code

Answer 15

IMO code, applies to vessels over 500gt,

Is to facilitate the safe stowage and shipping of bulk cargo

Question 16

What must you check before loading a bulk cargo?

Answer 16

Bilge wells are prepared
Bilge lines in good order
Space fittings are protected from damage
Measures in place to minimise dust entering accommodation
Ventilators are on good working order

Question 17

What is a shippers declaration?

Answer 17

It outlines the cargo characteristics.

TML
Stowage factor
Angle of repose
Sulphur content
IMO category

Question 18

What is a group A cargo?

Answer 18

Cargo that may liquify if shipped at a moisture content exceeding TML

Question 19

What is a group C bulk cargo?

Answer 19

Cargo which are neither liable to liquify nor possess chemical hazards but can still be hazardous