ASIS International (ASIS) Professional Certified Investigator Practice Exam

What is a common outcome of using a trailer in an incendiary fire?

1. Alocalized fire spread

2. Increased destruction from delayed ignition

3. Ease of fire control

4. Reduction of smoke production

The correct answer is: Increased destruction from delayed ignition

The outcome of increased destruction from delayed ignition when using a trailer in an incendiary fire is grounded in the way trailers operate in the context of fire setting. A trailer is a substance or material that is used to facilitate or accelerate the spread of fire. When a trailer burns, it can create a more intense or rapid fire that may not ignite immediately upon application, leading to a delayed ignition effect. This delay can contribute to significant property damage or injury because the fire may spread to nearby materials or structures that are not initially in contact with the flames. This can create a more severe fire environment once the ignition occurs, resulting in a larger scale of destruction compared to a fire without the use of a trailer. The other options do not accurately reflect the common outcomes associated with the use of trailers in incendiary fires. Localized fire spread suggests a limited effect, which contradicts the chaos that trailers can cause. Ease of fire control implies a manageable situation, while the use of a trailer typically complicates fire control efforts. Reduction of smoke production also does not align with the realities of fire behavior, as trailers generally increase both fire intensity and smoke output.