7.2 Flashcards
How should you store long length metal bars, rods and tubing
Vertically or horizontally and supported along its length
How should flammable,e materials be stored
In an area isolated from main building
How should tyres be stored
Vertically in special racks, supported by two points
Rotated every two to three months
What does the tolerance mean
Unintentional (random) deviation from the nominal value
What does allowance mean
Intentional (designed) deviation from the nominal value
What is 1 inch in mm
25.4mm
What does 1/2 inch equal in my
12.7mm
How should sheet mega, be stored
Stored on edge in racks clear of floor with transport protection
Flat stacking not recommended
Why should we not use a steel rule
Because of parallax error
Use precision tools