00:01
So the given data can be plotted for stress -strain diagram.
00:04
So from stress -strain diagram, we can find out the modulus of elasticity e which is equal to stress over strain.
00:25
So from there we will get stress is equal to 22 .1 divided by strain is 0 .0012 which will give us the value of 185 into 10 to the power 3 megapascal or we can write it as e is equal to 185 gigapascal.
00:53
Similarly from the stress -strain diagram, we will get the proportionality limit which is taken as 280 megapascal.
01:02
So the stress proportionality limit is equal to 280 megapascal.
01:08
So from the given data we can plot using any of the software.
01:15
We can also use the microsoft excel for plotting the graph stress -strain diagram.
01:22
And the ultimate stress is calculated as 507 megapascal.
01:31
So this 507 megapascal and 280 megapascal.
01:35
So suppose we have this stress over strain diagram.
01:39
So this will be the proportionality limit...