Deck 23: Fires and Explosions

Question 1

Fire is the end result of combustion.

Answer 1

True

Question 2

Reactions that give off energy are endothermic.

Answer 2

False

Question 3

In the reaction that heats homes which use natural gas, heat is known as activation energy.

Answer 3

True

Question 4

An incendiary fire is one that is not intentionally set.

Question 5

A fuel used to start a fire quickly is known as an accelerant.

Question 6

A piece of evidence that suggests arson is a fire trail.

Question 7

Arson dogs are the only means to detect accelerants by sniffing.

Question 8

The point of an explosion is known as the ________________.

Question 9

Inorganic particles of organic explosive almost never can be analyzed by infrared spectrophotometry.

Question 10

Most of the substances in gasoline are made of carbon and hydrogen.

Question 11

A chemical reaction in which a fuel reacts with oxygen to release energy is called

A) radiation
B) convection
C) combustion
D) dynamite

Question 12

The fire tetrahedron does not contain one of the following elements. Which one is it?

A) fuel
B) water
C) oxygen
D) heat

Question 13

The leading source of heat for intentionally set fires is

A) gasoline
B) kerosene
C) matches
D) propane

Question 14

What percentage of arson fires occurs in buildings?

A) 20%
B) 22%
C) 35%
D) 50%

Question 15

The major duty of first responders at a fire scene is

A) remove trapped people
B) terminate fire
C) both of these
D) neither of these

Question 16

From the standpoint of the fire investigator, the three causes of fires are

A) intentional, accidental, deliberate
B) accidental, deliberate, unplanned
C) natural, synthetic, deliberate
D) natural, accidental, deliberate

Question 17

The most critical and important piece of arson investigation is location of the

A) point of origin
B) fuel source
C) perpetrator
D) heat source

Question 18

The best type of container to package fire debris residue in is

A) breathable containers
B) airtight containers
C) cardboard boxes
D) none of the above

Question 19

The most popular method of concentrating accelerant residues for testing is

A) active headspace
B) passive headspace
C) neutral headspace
D) all of these

Question 20

______________ invented dynamite.

A) Daniel Myte
B) John Dyna
C) Alfred Nobel
D) None of the above

Question 21

One of the most important tests for explosive residues is the ____________ test.

A) Brentamine Blue test
B) Nuclear Red test
C) Griess test
D) Nevitt's Parsimony Test

Question 22

The two types of explosions are _____________ and ______________.

Question 23

_____________ is an example of an explosive that deflagrates.

Question 24

_____________ is an example of an explosive that requires detonation.

Question 25

The two categories of high explosives are ____________ and _______________.

Question 26

______________ is an explosive popular in demolitions.

Question 27

Two types of evidential residues found at explosions includes________ and _______.