What type of pump is used as the main pump on virtually all modern fire apparatus?
Pump Theory Operation
Question · Easy
NFPA 1010 JPR 11.2.1 - the general apparatus check
Preventive Maintenance and Testing
Flashcard
What is the primary purpose of the priming pump on a centrifugal-pump-equipped fire apparatus?
Question · Medium
Vehicle system an operator verifies in routine checks and whose reaction time affects how a fire apparatus can be controlled.
Preventive maintenance
Guess the Term
Chapter 1: Driver Qualifications, EVOC & Apparatus Safety
1.1 Driver/Operator Qualifications & Medical Requirements
Study guide
Cheat sheet
Cavitation in a centrifugal fire pump is best described as which of the following?
Read the clue and guess the term in 6 tries.
Game
What JPR 12.3.1 adds to the pumper inspection
Which of the following is a warning sign of pump cavitation?
Liquid ___: movement of water in a partly filled tank that can push the apparatus in the wave's direction when it stops.
Safe driving
Net pump discharge pressure (NPDP) is calculated by which of the following?
Question · Hard
JPR 11.2.2 - documenting the check
A two-stage centrifugal pump operating in volume (parallel) mode delivers which of the following?
Loss of tire grip on the road caused by over-braking, over-steering, over-accelerating or driving too fast.
1.2 Emergency Vehicle Operations (EVOC) & Safe Driving
When should a two-stage centrifugal pump be shifted from volume to pressure mode?
Swap tiles to line up three of the same term.
Term Match
NFPA 1910 vs NFPA 1911 (and NFPA 1900 vs NFPA 1901)
Per NFPA 1901, a Class A pumper rated at 1,500 gpm must be capable of delivering what percentage of rated capacity at 150 psi net pump discharge pressure?
Structure that carries a roadway over an obstacle and whose posted limits the driver must check before crossing.
At 200 psi net pump discharge pressure, a centrifugal pump must deliver what percentage of its rated capacity?
Air brake system check on a pre-trip inspection
At 250 psi net pump discharge pressure, a centrifugal pump must deliver what percentage of its rated capacity?
Reflective device the driver checks to see along the sides and rear, though it does not replace a person guiding a reverse move.
1.3 Apparatus Scene Placement & Highway Safety
Which of the following is a hydraulic pressure that exists in any closed water system?
Flip two cards at a time to find matching terms.
Term Pairs
Annual pump service test - the three pumping runs
Residual pressure is best defined as which of the following?
___ factors: weight-related conditions that affect an apparatus's vehicle control and total stopping distance.
The impeller in a centrifugal pump increases water velocity and is converted to pressure in which component?
Vacuum test and priming test values
Increasing the speed of a centrifugal pump impeller produces what effect on discharge pressure (assuming adequate intake)?
To board a fire apparatus correctly before the vehicle moves.
Response and positioning
Chapter 2: Apparatus Inspection & Preventive Maintenance
2.1 Pre-Trip Inspection & Chassis Systems
When pumping from a hydrant, the pressure shown on the master intake (compound) gauge will typically read:
Find five hidden terms in a grid of letters.
Term Search
Total stopping distance
Safe Driving and Defensive Driving
When drafting, the compound intake gauge typically displays vacuum in:
Seat ___ that must be worn while a fire apparatus is in motion.
At sea level under ideal conditions, what is the theoretical maximum lift for drafting with a centrifugal pump?
Weight transfer
When pumping from a hydrant, most departments teach that intake (residual) pressure should generally not be allowed to drop below approximately:
To move a fire apparatus in reverse, a maneuver in which a spotter assists the driver.
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