TCFP Fire Investigator Exam

TCFP Fire Investigator Exam (Latest 2025 / 2026) Questions & Verified Answers | Grade A | 100% Correct

Question:

What kind of equipment uses fuel gas?

Answer:

Air heating Water heater Cooking Refrigeration Engines Lights Incinerators

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Question:

What three kinds of ignition could be on a gas stove?

Answer:

Manual Pilot light Pilotless igniters (electric)

Question:

What is the difference between an LP Gas cylinder and a tank?

Answer:

Tanks - permanent - 1,000 gallons or more.

Cylinders - residential is usually 1 pound or less.

Question:

What is an incentive arc?

Answer:

An arc with enough heat energy and time to be a competent ignition source

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Question:

Describe different kinds of damage to electrical systems.

Answer:

Short circuit / ground fault Arcing through carbonized path Overload Overheating connections

Question:

What are some types of overcurrent protection?

Answer:

Fuses Plug, Type S, time-delay, cartridge Circuit Breakers Main breakers GFCI (ground fault) AFCI (arc fault)

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Question:

Describe the two types of electrical service:

Answer:

Single phase - residential - two 120V hot legs and one ground

Three phase - commercial - 480, 240, 208V - three hot legs, one ground

Question:

What is Ohm's law?

Answer:

V=IR

Question:

What different types of detection systems are there?

Answer:

Smoke, flame, heat, gas

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