Engineering Terms Flashcards
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
What axis from a graph faces the sky
The y axis
What is amplitude
The size of the sine wave
What is frequency of a sine wave ?
How wide the waves are
What is 10 ųm equal too
0.01
What is the national stands number for engineers drawings
BS8888
What can effect measurements from a manufacturer spec
Climate, force of tool, human error, improper calibration of equipment
