NAFI CFEI Exam Review (With Answers) | Certified Fire & Explosion Investigator Study Guide

NAFI CFEI – EXAM Review (With
Answers)
1. Probable cause is not needed to obtain an administrative search warrant.
ANSWER: True

2. Heat transfer by direct contact is called:
ANSWER: Conduction

3. Fuses and circuit breakers protect against short circuits and overloads.
ANSWER: True

4. In pre-flashover conditions, primary heat transfer for fire spread is radiation.
ANSWER: False

5. Flashover occurs because convective heat raises combustibles to auto-ignition
temperature.
ANSWER: False

6. Combustion may continue below 1% oxygen.
ANSWER: True

7. Structure type affects fire growth and spread and must be considered in investigation.
ANSWER: True

8. Flame-retardant materials will not undergo pyrolysis or ignite.
ANSWER: False

9. Data based on observation and verification is called:
ANSWER: Empirical data

10. Inductive reasoning uses experience and analysis of empirical data.
ANSWER: True

11. Comparing hypothesis to known facts is:
ANSWER: Deductive reasoning

12. Fuel gases include:
ANSWER: All of the above (natural gas, LPG, manufactured gases)

13. Pre-scene investigation considerations include:
ANSWER: All of the above (date/time, size/complexity, purpose)

14. Luminescent flame temperatures depend on fuel-to-oxygen ratio.
ANSWER: True