Time to Play – Old Crack vs. New Crack – Part 2

Posted by in Simple Forensic Methods | March 31, 2014

Time to play old crack-new crack

Here is how it is played:

We will provide a series of photos.  You are to determine whether or not they are old or new.

The correct answers are provided at the end of the blog.

The key:

New cracking exhibits sharp edges and/or relatively clean fracture surfaces.

Old cracking exhibits worn or rounded edges, painted edges, and/or relatively discolored fracture surfaces.

 

Here we go:

1.

 

2.

 

3.

 

4.

 

5.

 

Answers:

1.   This is an old cracking as evidenced by the rounded edges and the discoloration and moisture on the exposed fracture surfaces. 

2.   This is an old cracking as evidenced by the severely worn edges of the cracking.

3.   This is new cracking as evidenced by the sharp edges, but it is a re-opening at a previously repaired area. 

4.   This is new cracking as evidenced by the sharp edges and the relatively clean fracture surfaces.

5.   This is an old crack as evidenced by the worn edges and the discoloration on the fracture surfaces. 

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