1
APCO FIRE SERVICE COMMUNICATIONS Questions
with Answers (100% Correct Answers
FIRE TETRAHEDRON Answer: 4 factors necessary for fire: HEAT +
FUEL + OXYGEN and a CHEMICAL CHAIN REACTION
ADMINISTRATION DIVISION Answer: Chief, Support Staff, Payroll
COMMUNICATION DIVISION Answer: Call takers/ Dispatcher
FIRE PREVENTION + INVESTIGATION Answer: Building inspectors,
Arson Investigators, Public Education
OPERATIONS Answer: Captain, Driver, Firefighter
TECHNICAL OPERATIONS Answer: High Angle, HAZMAT,
Confined Space Rescue
EQUIPMENT MAINTENANCE Answer: Mechanics, Electricians
TRAINING + SAFETY Answer: Training Officer
EMTs, Paramedics Answer: Emergency Medical Service
CLASS A FIRE Answer: Ordinary Combustibles (eg. wood, paper)
Suppress via H20
© 2025 All rights reserved
, 2
Fires are fought Answer: from the "unburned to the burned"
Fires are fought from "inside" structures as opposed to outside of them
Answer: TRUE
Ventilation Answer: Technique used to remove heated smoke/gas
from a burning building. Can remove explosive smoke and has
concentrations which allows for advancement of hose lines into
effective positions for fire extinguishments.
PPV (Positive Pressure Ventilation) Answer: process of using fans to
force air into a structure and force heat/gasses out
Under Control Answer: generally indicates the fire is no longer
spreading, however there may still be fire present.
Staging Area Answer: Temporary location near the incident where
additional equipment is being directed to assemble for further
instructions and organizations.
Knock-down Answer: to reduce flame and heat to prevent danger of
further extension of fire.
9 Classes of what exist? Answer: Hazardous Materials
© 2025 All rights reserved
APCO FIRE SERVICE COMMUNICATIONS Questions
with Answers (100% Correct Answers
FIRE TETRAHEDRON Answer: 4 factors necessary for fire: HEAT +
FUEL + OXYGEN and a CHEMICAL CHAIN REACTION
ADMINISTRATION DIVISION Answer: Chief, Support Staff, Payroll
COMMUNICATION DIVISION Answer: Call takers/ Dispatcher
FIRE PREVENTION + INVESTIGATION Answer: Building inspectors,
Arson Investigators, Public Education
OPERATIONS Answer: Captain, Driver, Firefighter
TECHNICAL OPERATIONS Answer: High Angle, HAZMAT,
Confined Space Rescue
EQUIPMENT MAINTENANCE Answer: Mechanics, Electricians
TRAINING + SAFETY Answer: Training Officer
EMTs, Paramedics Answer: Emergency Medical Service
CLASS A FIRE Answer: Ordinary Combustibles (eg. wood, paper)
Suppress via H20
© 2025 All rights reserved
, 2
Fires are fought Answer: from the "unburned to the burned"
Fires are fought from "inside" structures as opposed to outside of them
Answer: TRUE
Ventilation Answer: Technique used to remove heated smoke/gas
from a burning building. Can remove explosive smoke and has
concentrations which allows for advancement of hose lines into
effective positions for fire extinguishments.
PPV (Positive Pressure Ventilation) Answer: process of using fans to
force air into a structure and force heat/gasses out
Under Control Answer: generally indicates the fire is no longer
spreading, however there may still be fire present.
Staging Area Answer: Temporary location near the incident where
additional equipment is being directed to assemble for further
instructions and organizations.
Knock-down Answer: to reduce flame and heat to prevent danger of
further extension of fire.
9 Classes of what exist? Answer: Hazardous Materials
© 2025 All rights reserved
