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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