7.2 Workshop Practises Flashcards
How do you keep your tools in a serviceable condition?
-keep them lubricated to prevent corrosion and seizing
-inspect them for damage before use
What do you do with damaged tools beyond repair?
Destroy them
What should you check for at the end of a shift or job?
Check throughly for tools and fod
What is the system for tool stores when someone uses it
Tool tagging
To be able to rely on a tools accuracy what must occur periodically
Tool calibration
When using a precision tool what should you ensure is with the equipment
A calibration certificate and that it is in date
How should aircraft supplies be stored
Clean, well ventilated, at an even temp to prevent condensation
Where should acid be stored
Alway places where its fumes cant affect raw materials or finished parts.
What material should phenolic plastic be segregated away from
From cadmium plated steel parts
What should magnesium alloys not be stored with
Flammable materials
How long should you leave stock in its packaging
As long as it is practicable
What type of material is especially important to handle correctly
High strength aluminium
What type of material is especially important to handle correctly
High strength aluminium
How is sheet aluminium alloy identified in stores
Stamped with relevant information in one corner
How should pipes and tubes be stored and why is it important for them to be stored this way
With blanks or caps fitted to prevent dirt ingress or contamination
How should pipes and tubes be stored and why is it important for them to be stored this way
With blanks or caps fitted to prevent dirt ingress or contamination
How is sheet steel identified in stores
Have a stamped tally attached to one corner
How should hoses be stored
Uncoiled
How should you dispose of waste
According to your local instructions in approved containers - recycling is encouraged too
How can you always keep tools in a usable condition?
Always lubricate
Inspect them before and after use
What is SI (metric) an abbreviation for
Systeme international d’Unites
What is the tolerance
The limit of the unintentional (random) deviation of a dimension from its nominal value
What is the allowance
The amount of intentional deviation between two mating dimensions in a fit.
What is the maximum clearance
Positive allowance
What is the minimum clearance
The negative allowance
What are the dimensions on Boeing drawings in
Inches and decimal fractions
How to work out faherinheit to Celsius
C = 5/9(F-32)
How to change Celsius to Fahrenheit
F = 9/5C+32
Why must acids not be kept in rooms with raw materials
Fumes may damage
Why must acids not be kept in rooms with raw materials
Fumes may damage
What should be segregated from phenolic plastic
Cadmium plated steel
How often must tyres be rotated
Every 2 to 3 months
What pressure are engineers usually under
Under time pressure to complete work quickly
Why must great care be taken when loading and unloading and storage of materials
Ensure that the material is not damaged by chafing, scratching, bruising or indentation
What are the minimum identifications ways for storage of materials
Sufficient information attached to them to provide an audit trial
What systems of measurement are used today in aviation
Imperial and metric
What is a general tolerance
Given for all dimensions on drawing and is stated in a printed box on drawing
What is the nominal dimension
The exact dimension required in design
How many inches in a metre
39.37
What is a nautical mile
Used for navigation
Based 1/60 of one degree of the earths circumference at the equator. (Aprox 6,080ft or 1853m)
How do you convert inches to millimetres and vice versa
Inches to mill multiply by 25.4
Mill to inches divide to 25.4
What are the difference between mega and micro and kilo and milli
Mega = 1,000,000(1 x 106)
Micro = 0.000,001
Kilo = 1000
Milli = 0.001
