The yield strength of a material is 200MPa when the grain size is 80 m – McqOptions

MCQOPTIONS

1.	The yield strength of a material is 200MPa when the grain size is 80 micron. If the frictional stress is 80MPa, find the strength when the grain diameter is 160 micron?
A.	100 MPa
B.	150MPa
C.	250MPa
D.	180 MPa
Answer» E.

Discussion

No Comment Found

Related MCQs

What is the equilibrium spacing between the edge dislocation along a low angle grain boundary of 1.5-degree misorientation? (Given that the burger s vector of dislocation is equal to 3 A ).
If there are 10000 grains in 1 mm2 at 50X, how many grains will be there in the same area at 100X?
If there are 40 grains in 1 mm2 at 100X, how many grains were there in the actual grain of 1 mm2 of the surface?
Determine the grain diameter if ASTM grain size number is 5?
As the ASTM grain size number increases, the number of grain per unit volume will ______________
As the ASTM grain size number increases, the grain diameter will ______________
ASTM Grain size measurement method counts the __________________
The mean intercept method of grain size measurement ______________
The yield strength of a material is 200MPa when the grain size is 80 micron. If the frictional stress is 80MPa, find the strength when the grain diameter is 160 micron?
The Li model to predict the yield strength is based on dislocation density, which states that:-> o= i+ G -1/2