Questions - Prof. Mumo (2026/2027)
Fire Service Fundamentals & Incident Safety | Key Domains: Fire Behavior & Chemistry, Personal
Protective Equipment (PPE) & SCBA, Forcible Entry & Ventilation, Search & Rescue Procedures,
Hose Streams & Fire Attack, and Incident Command System (ICS) | Expert-Aligned Structure |
Multiple-Choice Exam Format
Introduction
This structured Firefighting Practices and Safety Exam for 2026/2027 provides 60 multiple-choice
questions with correct answers and rationales. It is designed to test foundational knowledge of
fireground operations, life safety procedures, and the critical safety standards that govern effective
and safe firefighting as outlined by NFPA and industry best practices.
Exam Structure:
• Fire Service Knowledge Exam: (60 MULTIPLE-CHOICE QUESTIONS)
Answer Format
All correct answers and safe fireground actions must appear in bold and cyan blue, accompanied
by concise rationales explaining the fire science principle (e.g., the fire tetrahedron), the correct
procedure for a specific task (e.g., donning SCBA, advancing a hose line), the safety rule (e.g.,
maintaining crew integrity, accountability), the tactical priority (e.g., rescue over property
conservation), the role within ICS, and why the alternative multiple-choice options are unsafe,
violate protocol, or are tactically unsound.
1. Which element is NOT part of the fire tetrahedron?
A. Heat
, B. Fuel
C. Oxygen
D. Smoke
The fire tetrahedron consists of four elements: fuel, heat, oxygen, and a self-sustaining chemical chain
reaction. Smoke is a byproduct of combustion, not a required component for fire to exist. Options A, B,
and C are essential; D is incorrect and thus the right answer to this question.
2. When donning an SCBA, what is the first step in the standard procedure?
A. Open the cylinder valve
B. Inspect the unit for damage and ensure it is fully charged
C. Place the facepiece on your face
D. Activate the PASS device
Safety begins with inspection. NFPA 1500 requires firefighters to inspect SCBA before use to verify
operational readiness. Skipping inspection risks equipment failure under fire conditions. While
opening the valve (A) and activating PASS (D) are important, they follow inspection. Placing the
facepiece (C) comes later in the sequence.
,3. What is the primary purpose of vertical ventilation during structural firefighting?
A. To provide access for roof ladders
B. To remove firefighters from upper floors
C. To release heat and smoke from the building
D. To create an entry point for search teams
Vertical ventilation removes superheated gases and smoke from the fire compartment, improving
visibility and reducing flashover risk. It supports interior crews by making conditions more tenable.
While roof access (A) may be needed, it’s not the primary goal. Evacuation (B) and entry (D) are
handled via other tactics.
4. According to NFPA 1500, what is the minimum number of firefighters required to form a
Rapid Intervention Crew (RIC)?
A. One
B. Two
C. Two or more
, D. Four
NFPA 1500 states that a RIC must consist of “at least two members” who are fully equipped and ready
to rescue firefighters in distress. Option C accurately reflects this requirement. While some
departments deploy larger RICs, the minimum is two. Option D is common but not the regulatory
minimum.
5. In the Incident Command System (ICS), who is responsible for managing all tactical
operations at an incident?
A. Incident Commander
B. Operations Section Chief
C. Safety Officer
D. Logistics Section Chief
The Operations Section Chief directs all tactical resources (e.g., engine companies, ladder companies)
to achieve incident objectives. The Incident Commander (A) oversees the entire response but delegates
operations. The Safety Officer (C) monitors hazards but does not command operations. Logistics (D)
handles support functions like equipment and supplies.
6. What is the primary hazard associated with backdraft conditions?
A. Low oxygen levels causing asphyxiation