7.2 Flashcards
What are tools often held on?
Shadow boards
What is the Civil Aircraft Airworthiness Information and Procedures known as?
CAP562
Where should acid not be stored?
In areas it’s fumes can affect raw materials
What should phenolic plastics be separated from?
Cadmium plated steel parts
Where should magnesium be kept from?
Flammable materials
Should materials in long lengths be stored vertically or horizontally?
Vertically
How should tyres be stored?
Stored vertically and rotated every 2-3 months
What is sheet aluminium stamped with?
Relevant info in one corner
What is sheet steel stamped with?
Stamped tally attached to one corner
What does SI stand for?
Systeme International d’unites
What is tolerance?
The random deviation of a dimension from its nominal value
What is allowance
The intentional deviation between 2 mating parts in a fit
Smallest hole diameter and largest shaft diameter
What is a nautical mile?
1/60 of 1 degree of the earths circumference (6,080ft)(1853.2m)
How was a metre measured?
1 ten millionth of the distance from the equator to the poles measured along the meridian
What is used for an exact reference for a metre?
A bar of platinum-iridium inscribed with 2 lines exactly 1m apart at freezing point of water (near Paris)
