CFD BASIC APPARATUS & HYDRAULICS | QUESTIONS AND
ANSWERS | WINTER 2026 | WITH COMPLETE SOLUTION.
Standard for fire apparatus driver/operator professional qualification? Answer
- NFPA 1002
According to NIOSH, What is the percentage of FF fatalities occurs responding
to a call and returning from a call? Answer - 8-10%
2 types of pump used widely in the fire service, Positive Displacment Pump and
__________? Answer - Centrifugal pump
2 types of pump used widely in the fire service, Centrifugal Pump and
__________? Answer - Positive Displacement Pump
Positive Displacement Pump have 2 types of Pump, Piston pump and
___________? Answer - Rotary pump
Rotary pump has 2 types of pumps, rotary gear and _________? Answer -
Rotary vane
All CFD pumps are ? Answer - Centrifugal pump
Centrifugal pump are classified as a _________? Answer - Non-positive
displacement pump
, Centrifugal pump are flexibility and _________? Answer - Versatility
Between how much RPM does a pump impeller generate? Answer - 2,000-
4,000
3 main factors that influence a centrifugal fire pump's discharge pressure.
Amount of water being discharged, speed at which the impeller is turning, and
______________? Answer - Pressure of water of an incoming source
3 main factors that influence a centrifugal fire pump's discharge pressure.
Amount of water being discharged, pressure of an incoming source, and
___________? Answer - Speed at which impeller is turning
3 main factors that influence a centrifugal fire pump's discharge pressure.
Speed at which the impeller is turning, pressure of water of an incoming
source, and ________? Answer - Amount of water being discharged
__________ is a condition where water is being discharged faster than it is
entering the pump Answer - Cavitation
2 types of centrifugal pumps, single-stage and _______? Answer - Two-stage
What is the most common pump mount? Answer - Mid-mount
The most common type of valve is a _________? Answer - Ball Valve
Ball valve permits a full flow through the lines with a minimum of
___________? Answer - Friction loss
ANSWERS | WINTER 2026 | WITH COMPLETE SOLUTION.
Standard for fire apparatus driver/operator professional qualification? Answer
- NFPA 1002
According to NIOSH, What is the percentage of FF fatalities occurs responding
to a call and returning from a call? Answer - 8-10%
2 types of pump used widely in the fire service, Positive Displacment Pump and
__________? Answer - Centrifugal pump
2 types of pump used widely in the fire service, Centrifugal Pump and
__________? Answer - Positive Displacement Pump
Positive Displacement Pump have 2 types of Pump, Piston pump and
___________? Answer - Rotary pump
Rotary pump has 2 types of pumps, rotary gear and _________? Answer -
Rotary vane
All CFD pumps are ? Answer - Centrifugal pump
Centrifugal pump are classified as a _________? Answer - Non-positive
displacement pump
, Centrifugal pump are flexibility and _________? Answer - Versatility
Between how much RPM does a pump impeller generate? Answer - 2,000-
4,000
3 main factors that influence a centrifugal fire pump's discharge pressure.
Amount of water being discharged, speed at which the impeller is turning, and
______________? Answer - Pressure of water of an incoming source
3 main factors that influence a centrifugal fire pump's discharge pressure.
Amount of water being discharged, pressure of an incoming source, and
___________? Answer - Speed at which impeller is turning
3 main factors that influence a centrifugal fire pump's discharge pressure.
Speed at which the impeller is turning, pressure of water of an incoming
source, and ________? Answer - Amount of water being discharged
__________ is a condition where water is being discharged faster than it is
entering the pump Answer - Cavitation
2 types of centrifugal pumps, single-stage and _______? Answer - Two-stage
What is the most common pump mount? Answer - Mid-mount
The most common type of valve is a _________? Answer - Ball Valve
Ball valve permits a full flow through the lines with a minimum of
___________? Answer - Friction loss
