Question

A secondary phase in a composite for which one dimension largely smaller than the other two dimension is a

a) filer

b) particle

c)falke

d) whicker

2)a typical fatigue curve depecits the applied stress as function of the time it requires to fall the materials under applied stress

a) True

B) False

3)which material is present above the upper cructicaa temperature line in an iron carbon phase diagram?

a) peralite

b) ledeburite

C) austenite

d) Martensite

Answer 1

1-a

2-false,

its a graph between stress as function of number of cycles.

3-c