Steel 4340 contains ……… carbon%

Heating steel to austenite zone and cooling it with air is ……… process

Stainless steel is ……… steel

1-The degree of polymerization of LDPE with a molecular weight of 20000 amu

2-The molecular weight of HDPE in amu ……… if the degree of polymerization is 10694

LDPE has ……… molecular structure

HDPE has ……… molecular structure

Polyethylene with Molecular weight of 20 amu will be

……… has a cross linking bonds

Increasing the amount of cross linking bonds in polymers leads to ……… polymers

The test shown in Fig. is called ………

What are the general effects of cold working steel

Recycle polymer is ……… polymers

Polymer has the following symbol ……… is polymer

In the following picture Point B has ……… higher than point A

Polymer is used in applications at 100 oC, this polymer has ………

Which of the following NOT considered a structural class of steel?

Tempering process is carried out after ……… process