Exam Questions and Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which action is MOST important before placing a fire apparatus
into pump mode?
A. Turn on emergency lights
B. Set the parking brake and ensure the vehicle is stopped
C. Open all discharge valves
D. Increase engine RPM
Rationale: The apparatus must be fully stopped and secured to
prevent movement or injury before pump operations begin.
Answer: B
2. What is the primary purpose of a pump operator during
fireground operations?
, A. Deploy hoselines
B. Operate and manage water flow and pressure
C. Enter burning structures
D. Conduct search and rescue
Rationale: The pump operator is responsible for maintaining
adequate water supply and proper pressure.
Answer: B
3. What device prevents excessive pressure from damaging hoses
and appliances?
A. Relief valve
B. Intake strainer
C. Drain valve
D. Primer
Rationale: Relief valves regulate pressure to protect hose lines and
equipment.
Answer: A
4. What is the standard fireground water supply source?
A. Gravity tank only
B. Hydrant system
, C. Portable pump only
D. Booster tank only
Rationale: Hydrants provide the most reliable and continuous
water supply in urban operations.
Answer: B
5. What is the function of a primer on a fire pump?
A. Increase engine horsepower
B. Remove air to create suction
C. Increase discharge pressure
D. Cool the engine
Rationale: A primer removes air from the pump casing to establish
suction.
Answer: B
6. Which valve controls water flow from the pump to hoselines?
A. Intake valve
B. Discharge valve
C. Drain valve
D. Relief valve
, Rationale: Discharge valves regulate water leaving the pump.
Answer: B
7. Cavitation in a pump is caused by:
A. Excess lubrication
B. Insufficient water supply to the pump
C. Too much hose length
D. High fuel levels
Rationale: Cavitation occurs when water supply cannot meet
pump demand, forming vapor bubbles.
Answer: B
8. Which factor MOST directly affects friction loss in hoselines?
A. Water temperature
B. Hose diameter and flow rate
C. Pump brand
D. Engine RPM
Rationale: Smaller hose diameter and higher flow increase friction
loss.
Answer: B