GRADED A
◉ the foam application method used for an ignited pool of liquid fuel
located on open ground is the : Answer: roll on method
◉ the CTIS equipped on an ARFF apparatus can be used : Answer:
when the apparatus is moving or stationary
◉ the agent delivery device most commonly found on arff apparatus
is the Answer: turret
◉ Primary extinguishing agents are used for Answer: complete
knock down of fires
◉ in comparison to foam aspirating nozzles, non aspirating standard
nozzles provide better Answer: reach and penetration
◉ identify 3 true statements about the on-board water supply of
ARFF apparatus Answer:
◉ dispersed patterns do what Answer: produce small particles
excellent for absorbing heat
,◉ The phase of fire control in which ARFF personnel extinguish spot
fires is: Answer: extinguishment and overhual
◉ the expansion rate of foam refers to the Answer: Volume of the
foam when it is aerated
◉ identify three steps when performing the confined space turn
around exercise Answer:
◉ identify three methods that can be used to resupply foam Answer:
1. overhead gravity
2. filling directly from a 5 gallon container
3. transferring from a tender using a pump
◉ all of the fallowing statements about the importance of
prevenative maintanance are true except that it Answer:
◉ To accurately perform the foam solution-concentration test, you
must obtain refractive index readings from Answer:
◉ identify three advantages of balanced pressure foam
proportioning system Answer: 1. there is no water intake pressure
limitation
, 2. water and foam can simutaneously be discharged from seperate
outlets
3. various precentages of foam solution can be discharged from
multiple discharge outlets
◉ three items that should be included on a weekly fire apparatus
record Answer: 1. foam transfer pump
2. pump pressure control device
3. intake strainers
◉ identify the true statement about preparing for the turret ground
pattern test Answer: turret nozzles must be tilted upward to form a
30 degree angle with the horizontal
◉ before driving a runway make sure to : Answer: contact the
control tower or other airfield control authority to gain clearance
◉ two types of low-energy foam proportioning systems installed on
ARFF apparatus : Answer: 1. balanced pressure
2. direct injection
◉ identify three steps that should be taken to successfully complete
defensive driving straight line and stopping procedures : Answer: 1.
come to a smooth safe stop.