IFSTA Chapter 8 Fireground Hydraulic Calculations Flashcards
1
Q
Types of Flow Meters
A
Paddlewheel
Spring Probe
2
Q
How does a paddlewheel flow meter work
A
Water moves past the paddlewheel, a sensor measures the speed at which it spins and translates the info into a flow measurement.
3
Q
In a Flow Meter How does a spring probe work
A
A stainless steel spring is introduced and the greater the flow the higher the bend transmiting an electrical charge from the spring to a display unit
4
Q
Flowmeter tolerance
A
Plus or minus 3%
5
Q
Apparatus equipped with pressure governorns involved in relay pumping should operate in….
A
RPM mode with exception of the attack pumper