Test 3 Flashcards
Should you always ventilate?
No
Could be harmful to cargo such as grains and rice
What is the angle of repose?
The angle formed by the slope of a cargo and the deck
What are the acceptances of the angle of repose?
Less than 35° is trimmed reasonably level.
Bulk cargo
Any loose, unpackaged solid which when stowed aboard ship will tend to repose in a mass who’s shape is dictated by the wall of the compartment confining it.
What are some types of sweat damage?
Corrosion
Cardboard cartons lose strength and collapse
Damages from getting wet
Grains or seeds respiring
What does a psychrometer do?
It measures the water vapor content of the air
When should you ventilate cargo hold?
When the dewpoint of the outside air is lower than the dewpoint of the air in the holds
What are some characteristics of modern type heavy lifts?
Usually have a rectangular holds and movable tween decks, ideally suited to the carriage of project cargoes, cranes capable of 100 ton single lifts, cranes can work in tandem.
Is there a standard lift weight for a heavy lift?
No, but the cargo insurance policy may set a weight figure, typically 50 tons