Quiz # 3 Forensic Chem

A Contested Document can be a handwriting, signature, mark or any handwritten/typewritten document whose reliability or source is doubtful.

• TRUE

• FALSE

The primary purpose of Questioned Document Examination is to provide evidence about a suspicious or questionable document using scientific processes and methods.

• TRUE

• FALSE

No test should be made to alter the condition of the document.

• TRUE

• FALSE

The longer hardwood fibers tend to give paper more strength due to better interlocking of the fibers. The shorter softwood fibers provide paper with bulk and better surface smoothness.

• TRUE

• FALSE

Organic composition of paper, mainly filling and loading material such as calcium carbonate, clay, titanium oxide maybe 70-100% while the inorganic portion consisting of cellulose, hemi-cellulose, lignin and or various compound of lignin maybe 0-30%.

• TRUE

• FALSE

The tense of verbs in questioned document may have unmistakable date significance.

• TRUE

• FALSE

Indentation Marks are made when surfaces slide across one another; the harder surface leaves scratch or striations on the softer area.

• TRUE

• FALSE

Hack Saw cut mark in bones has characteristic overlapping marks roughened edge pattern.

• TRUE

• FALSE

A good casting material must harden rapidly to a rigid mass – so that no deformation of the cast takes placed when it is being removed from the impression.

• TRUE

• FALSE

In preservation of tool marks, whenever possible, just submit the area containing the mark to the laboratory. If this is not possible, carefully photograph and sketch the area containing the mark.

• TRUE

• FALSE