NAFI CFEI PRACTICE EXAM| QUESTIONS AND ANSWERS | LATEST 2026 EDITION.
Correct
Incorrect
Your answers
1 of 60
Definition
A tendency to favor one perspective over another.
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All Of The Above Sensitivity
Accuracy Bias
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2 of 60
1/33
,Definition
Evidence of fire origin.
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Radiation leakage Anode cracking
Electrical arcing Scatter radiation
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3 of 60
Definition
A form of electromagnetic radiation visible to the human eye.
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Smoke Light
All Of The Above Medium
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4 of 60
2/33
,Definition
Indicates a correct statement or affirmation.
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Bias True
V-patterns False
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5 of 60
Definition
A tendency to favor one perspective over others, which a fire
investigator must avoid.
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Accuracy Bias
Constant Error Inference
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3/33
, 6 of 60
Term
Notes
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Should be used to replace formal Should not be used as a primary
reports entirely. method of documentation.
Should always be used as the primary Should be used only for personal
method of documentation. reminders.
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7 of 60
Definition
The same as the cause.
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Radiation leakage Cause of an explosion
Origin of the fire Material Ntype
4/33
Correct
Incorrect
Your answers
1 of 60
Definition
A tendency to favor one perspective over another.
Give this one a try later!
All Of The Above Sensitivity
Accuracy Bias
Don't know?
2 of 60
1/33
,Definition
Evidence of fire origin.
Give this one a try later!
Radiation leakage Anode cracking
Electrical arcing Scatter radiation
Don't know?
3 of 60
Definition
A form of electromagnetic radiation visible to the human eye.
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Smoke Light
All Of The Above Medium
Don't know?
4 of 60
2/33
,Definition
Indicates a correct statement or affirmation.
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Bias True
V-patterns False
Don't know?
5 of 60
Definition
A tendency to favor one perspective over others, which a fire
investigator must avoid.
Give this one a try later!
Accuracy Bias
Constant Error Inference
Don't know?
3/33
, 6 of 60
Term
Notes
Give this one a try later!
Should be used to replace formal Should not be used as a primary
reports entirely. method of documentation.
Should always be used as the primary Should be used only for personal
method of documentation. reminders.
Don't know?
7 of 60
Definition
The same as the cause.
Give this one a try later!
Radiation leakage Cause of an explosion
Origin of the fire Material Ntype
4/33
