Engineering Terms Flashcards
Engineers drawing line types
What does isometric mean
Uses a 2d drawing to show 3d drawing
What does orthographic mean
Shows all important sides of an object
What is the purpose of a key
Keys prevent rotation of an object on a shaft.
What does interference fit mean
Is is pressed or friction fitted to hold component securely
What does clearance fit mean
Where an object is allowed to slide freely in a hole
What is a dynamic seal
A seal that allows movement eg a rear main seal
What is a dynamic seal
A seal that allows movement eg a rear main seal
What is a static seal
A seal which is stuck and allows no movement eg a gasket
What does aneraobic mean
Needs to lack of oxygen to dry
15w 30 what does this mean
W stands for winter 15 is temperature and 40 is viscosity
What does multigrade oil have in
Additional additives which allow oil to flow differently in cold and hot conditions
What does pleated mean
It means it has more surface area an air filter is pleated it’s folded to create a larger surface
What does sae stand for
Society of automotive engineers
What does viscosity mean
Oils resistance to flow
