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20 Cards in this Set
- Front
- Back
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What is NFPA 1914?
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Standards for testing of fire department aerial devices.
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What is NFPA 1071?
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Standards for Emergency vehicle technicians.
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Name 4 forms of fire ground communications
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face-to-face
computers SOP's radios |
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One gallon contains how many cubic inches?
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231 cubic inches
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The largest tip size used on a fire stream should not exceed __ the diameter of the hose.
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1/2
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A cubic foot of water contains how many gallons?
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7.5 gallons
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One square inch of water ____ feet high will exert a pressure of ___psi at the base of the vessel.
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One square inch of water 2.304 feet high will exert a pressure of 1 psi at the base of the vessel.
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Low pressure warning signal must come on before the pressure drops to less than ___ psi in the tank
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60 PSI
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What are the 3 functions of a nozzle?
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Provide reach
control flow create shape |
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What is the fill rate for an SCBA cylinder?
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1500psi/min
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Positive displacement pumps come in two types. What are they?
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Rotary (gear/vane)
Piston (single/double) |
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When changing the selector valve from series to parallel what is the maximum pressure allowed?
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50 psi
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When the TPM amber light is flashing this means what?
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Relieving externally
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What are two types of auxillary coolers
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Engine cooler
booster tank cooler |
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What determines the number of 2 1/2" outlets?
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The apparatus' rated GPM capacity
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True/False
All TFD transfer valves are electronic. |
True
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What is the most reliable indicator that you are approaching cavitation during pumping.
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An increase in RPM with no increase in pressure or volume of water.
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True/Flase
You can rely on vacuum gauges to help preent cavitation. |
False
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How many mmHg are required for a proper vacuum during priming?
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22 mmHg
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One foot of lift equals how many mmHg?
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.885
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