The 0.2% proof stress is used to define the yield stress for some metals. a) true b) false

TRUE

Explanation:

the statement given is TRUE

0.2 % proof stress is used to define the yield stress of some statement is a right statement.

For, some metals  proper yielding point is not defined for the materials so, to define the yield stress of that  metals we uses prof stress of 0.2%.

Brittle material does not have yielding point so for that we use 0.2% proof stress example cast iron.

1.jews

2.poles

3.russians

4.gypsies

5. african americans

< 3

d would be the most obvious choice to this question. leaders are supposed to herd their underlings like a shepherd to sheep. a leader should also listen to others when they are talking to one other to gain a better understanding of their mission and surroundings.

explanation: