Bk 83- Fire Investigation

Question 1

Fire investigation:

What are the three phases of fire?

Answer 1

Incipient (growth) phase
Free burning (fully developed) phase
Smoldering (decay) phase

Question 2

Fire investigation:

The normal growth of a fire is usually upward and outward. This burning usually produces a ____ pattern

Answer 2

“V”

Question 3

Fire investigation:

A ____ (narrow, wide, inverted?) “V” pattern with diffused line of demarcation usually indicates a slow smoldering combustion

Answer 3

Wide

Question 4

Fire investigation:

A ____ (narrow, wide, inverted?) “V” pattern with sharp line of demarcation may indicate flaming, rapid combustion

Answer 4

Narrow

Question 5

Fire investigation:

A ____ (narrow, wide, inverted?) “V” pattern with sharp line of demarcation may indicate flaming, very rapid combustion; possible presence of flammable accelerants

Answer 5

Inverted

Question 6

Fire investigation:

In most cases, ____ marks are caused by the application of a flammable liquid to a surface covered with asphalt tile. Marks will leave a dark, discolored mark where the tile edge was located.

Answer 6

Ghost

Question 7

When testifying during a court appearance/disposition:

During morning or afternoon breaks and lunch recess do not speak with members of the jury or defense attorneys. Only speak with the _____.

Answer 7

Deputy District Attorney

Question 8

Subpoena:

Normally, a ____ day advance notice is required for the members to appear.

Answer 8

5

Civil subpoenas will not be accepted less than 5 days out. If it is a criminal subpoena and there is not sufficient notice, a waiver can be attached that there is no guarantee of the member’s appearance.

Question 9

Fire investigation:

To heat metal or glass, and then slowly cooling resulting in a less brittle (softer) material is known as ______.

Answer 9

Annealing

Question 10

Fire investigation:

The dehydration of wallboard (gypsum) when exposed to heat is known as ______.

Answer 10

Calcination

Question 11

Fire invest:

Stress cracks in glass as a result of heating is known as?

Answer 11

Crazing

Question 12

The fundamental facts (elements) necessary to prove the commission of a crime (body of the crime) is known as?

Answer 12

Corpus delecti

Question 13

A flammable liquid is any liquid that has a flash point below ____ degrees

Answer 13

100°F

Question 14

Fire investigation:

What makes up the fire tetrahedron?

Answer 14

• heat
• fuel
• oxygen
• uninhibited chain reaction