Question 1

Military "dynamite" contains no nitroglycerin.

Accepted Answer

A) True 
 B)False

Question 2

Explosives that decompose at relatively slow rates are classified as:

Accepted Answer

A) Decomposing explosives. 
B) Low explosives. 
C) High explosives. 
D) Slow explosives. 
A) Decomposing explosives. 
B) Low explosives. 
C) High explosives. 
D) Slow explosives.

Question 3

Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues?

Accepted Answer

A) NAA 
B) IR 
C) GC 
D) TLC 
A) NAA 
B) IR 
C) GC 
D) TLC

Question 4

Which chemical reaction is associated with a fire?

Accepted Answer

A) Reduction 
B) Oxidation 
C) Precipitation 
D) None of the above 
A) Reduction 
B) Oxidation 
C) Precipitation 
D) None of the above

Question 5

List three common signs of arson at a fire scene.

Accepted Answer

(should include points such as):
Common

Question 6

Black powder and smokeless powder do not have characteristic shapes and colors and are therefore difficult to locate in debris.

Accepted Answer

A) True 
 B)False

Question 7

Telltale signs of arson include:

Accepted Answer

A) Separate points of origin. 
B) Trails of burn patterns. 
C) The presence of accelerant containers. 
D) All of the above 
A) Separate points of origin. 
B) Trails of burn patterns. 
C) The presence of accelerant containers. 
D) All of the above

Question 8

The following substances were found at the scenes of explosions. Indicate for each group of items if low, high, or a combination of explosives were used. If high explosives were used, indicate whether the components can be identified as primary or secondary explosives.
a. Potassium nitrate, charcoal, sulfur
b. PETN (pentaerythritoltetranitrate)
c. Lead styphnate
d. Ammonium nitrate and sodium nitrate gelled with guar gum
e. Potassium chlorate mixed with sugar
f. Triacetone triperoxide

Accepted Answer

a. Low explosive (black powder)
b. Secon

Question 9

The easiest way to recover accelerant residues from fire-scene debris is to heat the airtight container in which the sample is sent to the laboratory.

Accepted Answer

A) True 
 B)False

Question 10

Molecules must absorb energy when their bonds are reformed and they liberate energy when their bonds break apart.

Accepted Answer

A) True 
 B)False

Question 11

The phenomenon of flashover is an example of radiation.

Accepted Answer

A) True 
 B)False

Question 12

In a(n)________ reaction, heat energy is liberated.

Accepted Answer

The answer of In a(n)________ reaction, heat energy is liberated....

Question 13

Which type of explosives detonate almost instantaneously to produce a smashing or shattering effect?

Accepted Answer

A) Detonating explosives 
B) Low explosives 
C) High explosives 
D) Instantaneous explosives 
A) Detonating explosives 
B) Low explosives 
C) High explosives 
D) Instantaneous explosives

Question 14

The most common igniter is an electrical sparking device.

Accepted Answer

A) True 
 B)False

Question 15

Soil and other soft loose materials collected at the scene of an explosion are best stored in metal containers.

Accepted Answer

A) True 
 B)False

Question 16

Many explosives must have their own source of:

Accepted Answer

A) Fuel. 
B) Oxygen. 
C) Heat. 
D) Energy. 
A) Fuel. 
B) Oxygen. 
C) Heat. 
D) Energy.

Question 17

What is the major advantage of using the vapor concentration technique with gas chromatography?

Accepted Answer

A) Low resolution of peaks associated with volatile residues 
B) Ability to determine relative concentration of solid residues 
C) Only non-volatile residues will be detected 
D) High sensitivity for detecting volatile residues 
A) Low resolution of peaks associated with volatile residues 
B) Ability to determine relative concentration of solid residues 
C) Only non-volatile residues will be detected 
D) High sensitivity for detecting volatile residues

Question 18

Water being heated on a stove illustrates the concept of:

Accepted Answer

A) Conduction. 
B) Radiation. 
C) Convection. 
D) All of the above 
A) Conduction. 
B) Radiation. 
C) Convection. 
D) All of the above

Question 19

Which of the following is NOT a military explosive?

Accepted Answer

A) RDX 
B) C-4 
C) TNT 
D) Nitroglycerin 
A) RDX 
B) C-4 
C) TNT 
D) Nitroglycerin

Question 20

Detonation is characterized by very rapid oxidation that produces heat, light, and a subsonic pressure wave.

Accepted Answer

A) True 
 B)False

Military "dynamite" contains no nitroglycerin.

Explosives that decompose at relatively slow rates are classified as:

Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues?

Which chemical reaction is associated with a fire?

List three common signs of arson at a fire scene.

Black powder and smokeless powder do not have characteristic shapes and colors and are therefore difficult to locate in debris.

Telltale signs of arson include:

The easiest way to recover accelerant residues from fire-scene debris is to heat the airtight container in which the sample is sent to the laboratory.

Molecules must absorb energy when their bonds are reformed and they liberate energy when their bonds break apart.

The phenomenon of flashover is an example of radiation.

In a(n)________ reaction, heat energy is liberated.

Which type of explosives detonate almost instantaneously to produce a smashing or shattering effect?

The most common igniter is an electrical sparking device.

Soil and other soft loose materials collected at the scene of an explosion are best stored in metal containers.

Many explosives must have their own source of:

What is the major advantage of using the vapor concentration technique with gas chromatography?

Water being heated on a stove illustrates the concept of:

Which of the following is NOT a military explosive?

Detonation is characterized by very rapid oxidation that produces heat, light, and a subsonic pressure wave.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, Tool Marks, and Other Impressions

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, Paint, and Soil

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Document Examination

Computer Forensics

Mobile Device Forensics

Filters

Exam 17: Forensic Aspects of Fire and Explosion Investigation

Military "dynamite" contains no nitroglycerin.

Explosives that decompose at relatively slow rates are classified as:

Which instrumentation is considered the most sensitive and reliable for detecting and characterizing flammable residues?

Which chemical reaction is associated with a fire?

List three common signs of arson at a fire scene.

Black powder and smokeless powder do not have characteristic shapes and colors and are therefore difficult to locate in debris.

Telltale signs of arson include:

The easiest way to recover accelerant residues from fire-scene debris is to heat the airtight container in which the sample is sent to the laboratory.

Molecules must absorb energy when their bonds are reformed and they liberate energy when their bonds break apart.

The phenomenon of flashover is an example of radiation.

In a(n)________ reaction, heat energy is liberated.

Which type of explosives detonate almost instantaneously to produce a smashing or shattering effect?

The most common igniter is an electrical sparking device.

Soil and other soft loose materials collected at the scene of an explosion are best stored in metal containers.

Many explosives must have their own source of:

What is the major advantage of using the vapor concentration technique with gas chromatography?

Water being heated on a stove illustrates the concept of:

Which of the following is NOT a military explosive?

Detonation is characterized by very rapid oxidation that produces heat, light, and a subsonic pressure wave.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Firearms, Tool Marks, and Other Impressions

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, Paint, and Soil

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Document Examination

Computer Forensics

Mobile Device Forensics

Filters