Question 1

Which statement about the scene of an explosion is most accurate?

Accepted Answer

A)   Explosion scenes are often larger and more disturbed than fire scenes.
B)   Explosion scenes are almost never as large as fire scenes.
C)   The investigative objectives of the explosion scene are quite different than that from a regular fire.
D)   As a general rule the outer perimeter of the incident scene should be established at five times the distance of the farthest piece of debris.E) A) and B)
F) A) and C)

Question 2

When developing an arson suspect,what factors must be proven to eliminate all others?

Accepted Answer

A)   Motive and opportunity.
B)   Motive and means to commit the crime.
C)   Motive, opportunity and means.
D)   Motive, "payoff," and means.E) A) and D)
F) A) and C)

Question 3

Depth of char are the effects of heat or partial burning that indicate a fire's rate of development,points of origin,temperature,duration,and time of occurrence,as well as the presence of flammable liquids.

Accepted Answer

A) True 
 B)False

Question 4

When one refers to the "layer checking technique" in arson investigation,what is being described is the

Accepted Answer

A)   process of checking through the layers of material stacked on top of each other after a fire.
B)   analysis of materials for the presence of accelerant.
C)   investigation of all suspects beginning with the prime suspect and working down to the least likely suspect.
D)   method used to identify the most likely motive.E) A) and B)
F) A) and D)

Question 5

A physical reaction characterized by the presence of four major elements: high-pressure gas; confinement or restriction of the pressure; rapid production or release of the pressure,and change or damage to the confining (restricting) structure,container,or vessel that is caused by the pressure release is a/an

Accepted Answer

A)   arson.
B)   explosion.
C)   implosion.
D)   violent arson eruption.E) B) and C)
F) A) and D)

Question 6

Evidence collection containers used at the scene include

Accepted Answer

A)   Unused metal paint cans
B)   Paper bags
C)   Ziploc bags
D)   All of the above are usedE) A) and D)
F) B) and C)

Question 7

A ________ is used to spread the fire.It is ignited by the blaze from the plant.

Accepted Answer

The answer of A ________ is used to spread the...

Question 8

Spalling is the breakdown of the surface tensile strength of concrete,masonry,or brick that occurs when exposure to high temperatures and rates of heating produces mechanical forces within the material.

Accepted Answer

A) True 
 B)False

Question 9

Why should uncoated metal paint cans (or similar containers)and not plastic bags or containers be used for the storage of material suspected of containing flammable liquids?

Accepted Answer

If plastic bags or plastic containers ar...

Question 10

What is the name of the portable equipment available to the arson investigator for detecting residues of flammable liquids at fire scenes that consists of illuminating the darkened fire scene with an ultraviolet lamp?

Accepted Answer

A)   Ultraviolet fluorescence.
B)   Infrared spectrophotometers.
C)   Gas liquid chromatograph.
D)   Flame ionization detector.E) None of the above
F) B) and C)

Question 11

If arson is suspected,why should firefighters not disarrange the premises by mopping up or overhauling the scene of the fire,especially at the point of origin?

Accepted Answer

Moving any of the burned debris,even win...

Question 12

What types of burn indication can be examined by the arson investigator to assist in determining whether a fire is accidental or incendiary in nature?

Accepted Answer

(1)Alligatoring effect.Checkering of cha...

Question 13

________ fires are set in retaliation for some injustice,real or imagined,perceived by the offender.

Accepted Answer

The answer of ________ fires are set in retaliation for...

Question 14

When looking for evidence after an explosion occurs,the investigator should

Accepted Answer

A)   focus on the immediate area, since that is where the evidence will be found
B)   look at adjacent vehicles and buildings for evidence
C)   understand that most of the evidence was vaporized by the force of the blast
D)   None of the above are correct Ans BE) A) and B)
F) A) and C)

Question 15

In another broad category of arson for profit,the beneficiary of the fire is not the owner-insured but a ________ who arranges for the fire out of some economic incentive.

Accepted Answer

The answer of In another broad category of arson for...

Question 16

What are some of the most commonly used ignition and timing devices employed in the commission of arsons?

Accepted Answer

1)Matches.Frequently a match is struck b...

Question 17

In ________ explosions,the high-pressure gas is produced by purely physical reactions.

Accepted Answer

The answer of In ________ explosions,the high-pressure gas is produced...

Question 18

Spontaneous ignition is fairly common in residences and small businesses.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following statements concerning evidence recovered from an explosion is/are correct?

Accepted Answer

A)   As a general rule, individual items of evidence from the same grid must be placed in separate containers.
B)   The name of the officer recovering the evidence, his address, and the case number must be included on the evidence tag.
C)   More than one container may be used if there is a large quantity of evidence received or if the evidence is to be used for residue analysis.
D)   Both A and C are correct.E) A) and D)
F) C) and D)

Question 20

According to the textbook,only professional arsonists and pyromaniacs seem to favor striking matches.

Accepted Answer

A) True 
 B)False

Exam 19: Arson and Explosives Investigations

In another broad category of arson for profit,the beneficiary of the fire is not the owner-insured but a ________ who arranges for the fire out of some economic incentive.

Correct Answer
verified

In ________ explosions,the high-pressure gas is produced by purely physical reactions.

Correct Answer
verified

Spontaneous ignition is fairly common in residences and small businesses.

Correct Answer
verified

What types of burn indication can be examined by the arson investigator to assist in determining whether a fire is accidental or incendiary in nature?

Correct Answer
verified
(1)Alligatoring effect.Checkering of cha...
View Answer

What are some of the most commonly used ignition and timing devices employed in the commission of arsons?

Correct Answer
verified
1)Matches.Frequently a match is struck b...
View Answer

A ________ is used to spread the fire.It is ignited by the blaze from the plant.

Correct Answer
verified

Which of the following statements concerning evidence recovered from an explosion is/are correct?

Correct Answer
verified

When one refers to the "layer checking technique" in arson investigation,what is being described is the

Correct Answer
verified

Correct Answer
verified

When looking for evidence after an explosion occurs,the investigator should

Correct Answer
verified

Depth of char are the effects of heat or partial burning that indicate a fire's rate of development,points of origin,temperature,duration,and time of occurrence,as well as the presence of flammable liquids.

Correct Answer
verified

Spalling is the breakdown of the surface tensile strength of concrete,masonry,or brick that occurs when exposure to high temperatures and rates of heating produces mechanical forces within the material.

Correct Answer
verified

Evidence collection containers used at the scene include

Correct Answer
verified

________ fires are set in retaliation for some injustice,real or imagined,perceived by the offender.

Correct Answer
verified

Why should uncoated metal paint cans (or similar containers)and not plastic bags or containers be used for the storage of material suspected of containing flammable liquids?

Correct Answer
verified
If plastic bags or plastic containers ar...
View Answer

When developing an arson suspect,what factors must be proven to eliminate all others?

Correct Answer
verified

According to the textbook,only professional arsonists and pyromaniacs seem to favor striking matches.

Correct Answer
verified

If arson is suspected,why should firefighters not disarrange the premises by mopping up or overhauling the scene of the fire,especially at the point of origin?

Correct Answer
verified
Moving any of the burned debris,even win...
View Answer

What is the name of the portable equipment available to the arson investigator for detecting residues of flammable liquids at fire scenes that consists of illuminating the darkened fire scene with an ultraviolet lamp?

Correct Answer
verified

Which statement about the scene of an explosion is most accurate?

Correct Answer
verified

Exam 19: Arson and Explosives Investigations

In another broad category of arson for profit,the beneficiary of the fire is not the owner-insured but a ________ who arranges for the fire out of some economic incentive.

Correct AnswerverifiedShow Answer

In ________ explosions,the high-pressure gas is produced by purely physical reactions.

Correct AnswerverifiedShow Answer

Spontaneous ignition is fairly common in residences and small businesses.

Correct AnswerverifiedShow Answer

What types of burn indication can be examined by the arson investigator to assist in determining whether a fire is accidental or incendiary in nature?

Correct Answerverified(1)Alligatoring effect.Checkering of cha...View AnswerShow Answer

What are some of the most commonly used ignition and timing devices employed in the commission of arsons?

Correct Answerverified1)Matches.Frequently a match is struck b...View AnswerShow Answer

A ________ is used to spread the fire.It is ignited by the blaze from the plant.

Correct AnswerverifiedShow Answer

Which of the following statements concerning evidence recovered from an explosion is/are correct?

Correct AnswerverifiedShow Answer

When one refers to the "layer checking technique" in arson investigation,what is being described is the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

When looking for evidence after an explosion occurs,the investigator should

Correct AnswerverifiedShow Answer

Depth of char are the effects of heat or partial burning that indicate a fire's rate of development,points of origin,temperature,duration,and time of occurrence,as well as the presence of flammable liquids.

Correct AnswerverifiedShow Answer

Spalling is the breakdown of the surface tensile strength of concrete,masonry,or brick that occurs when exposure to high temperatures and rates of heating produces mechanical forces within the material.

Correct AnswerverifiedShow Answer

Evidence collection containers used at the scene include

Correct AnswerverifiedShow Answer

________ fires are set in retaliation for some injustice,real or imagined,perceived by the offender.

Correct AnswerverifiedShow Answer

Why should uncoated metal paint cans (or similar containers)and not plastic bags or containers be used for the storage of material suspected of containing flammable liquids?

Correct AnswerverifiedIf plastic bags or plastic containers ar...View AnswerShow Answer

When developing an arson suspect,what factors must be proven to eliminate all others?

Correct AnswerverifiedShow Answer

According to the textbook,only professional arsonists and pyromaniacs seem to favor striking matches.

Correct AnswerverifiedShow Answer

If arson is suspected,why should firefighters not disarrange the premises by mopping up or overhauling the scene of the fire,especially at the point of origin?

Correct AnswerverifiedMoving any of the burned debris,even win...View AnswerShow Answer

What is the name of the portable equipment available to the arson investigator for detecting residues of flammable liquids at fire scenes that consists of illuminating the darkened fire scene with an ultraviolet lamp?

Correct AnswerverifiedShow Answer

Which statement about the scene of an explosion is most accurate?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
(1)Alligatoring effect.Checkering of cha...
View Answer

Correct Answer
verified
1)Matches.Frequently a match is struck b...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
If plastic bags or plastic containers ar...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Moving any of the burned debris,even win...
View Answer

Correct Answer
verified

Correct Answer
verified