HR OPS EQUIPMENT 19-40
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Questions and Answers

What is the purpose of the KNOX KEY WRENCH?

  • To unlock the standpipe valve
  • To unlock and remove Knox FDC locking caps (correct)
  • To tighten the FDC connection
  • To remove the weather/dust cover on the Knox FDC lock

    • What is the function of the -RISE DRAIN ELBOW MODEL 105A?

  • To make a gradual bend toward the floor to alleviate kinks in the hose (correct)
  • To alleviate excessive vibrations from high pump pressures
  • To control and set the desired flow to the hose line
  • To relieve pressure if the hose line becomes caught under a door

    • What is used to remove debris found in the FDC?

  • PICK TOOL
  • FORCEPS (correct)
  • GASKETS
  • KNOX KEY WRENCH

    • What is the service pressure rating of the Engine 2 high-pressure hose?

    <p>400 PSI</p> Signup and view all the answers

    What is the purpose of the WEBBING?

    <p>To secure hoselines to prevent potential injuries if a hoseline were to burst</p> Signup and view all the answers

    What is the burst safety factor of the Engine 2 high-pressure hose?

    <p>3.75 times the service rated pressure</p> Signup and view all the answers

    What is the function of the gate valve?

    <p>To control and set the desired flow to the hose line after the standpipe valve has been fully opened</p> Signup and view all the answers

    What is the purpose of spammers in the high-rise equipment?

    <p>To remove caps and tighten hoseline couplings</p> Signup and view all the answers

    What is the role of the control firefighter in high-rise operations?

    <p>To make connections to the standpipe</p> Signup and view all the answers

    What should a pump operator do in high-rise operations?

    <p>Make connections to the standpipe</p> Signup and view all the answers

    What is the purpose of the high-rise hose pack?

    <p>To competently deploy the high-rise pack</p> Signup and view all the answers

    What should be understood about the flows and pressures associated with the R.A.M.?

    <p>The flows and pressures associated with the R.A.M.</p> Signup and view all the answers

    What is important to understand about the Mercury Quick Attack (MQA) in high-rise operations?

    <p>The flows and pressures associated with the MQA</p> Signup and view all the answers

    What is the role of a pump operator in relation to FDC?

    <p>Connecting to an FDC and competently performing as a pump operator</p> Signup and view all the answers

    What should be understood about high-rise nozzles in relation to operating pressures, GPM, and nozzle reaction?

    <p>The pressure and flows associated with highrise nozzles</p> Signup and view all the answers

    What is important to understand about the contents and purpose of all equipment within the high-rise standpipe bag?

    <p>The contents and purpose of all equipment within the high-rise standpipe bag</p> Signup and view all the answers

    What are spanners used for in high-rise operations?

    <p>To remove caps and tighten hoseline couplings</p> Signup and view all the answers

    What is the purpose of placing the inline pressure gauge after the elbow?

    <p>To reduce turbulence before the gauge and provide more accurate pressure readings</p> Signup and view all the answers

    If the standpipe valve is completely open but the gauge is showing inadequate pressure, what might need to be removed or adjusted?

    <p>PRD/PRV</p> Signup and view all the answers

    What is the purpose of using a Knox key wrench?

    <p>To unlock and remove Knox caps from the standpipe connection</p> Signup and view all the answers

    What is a common misconception about using door chocks/wedges?

    <p>They have no impact on air flow throughout the structure</p> Signup and view all the answers

    What is the recommended tip size for high-rise applications with the Elkhart 188 XD nozzle?

    <p>$1 \frac{1}{16}$</p> Signup and view all the answers

    What might be a consequence of under or over-pumping with the GAT shutoff nozzle?

    <p>Flow and nozzle reaction will be affected in either direction</p> Signup and view all the answers

    What is a potential consequence of using a choker tip on the handline?

    <p>Loss of GPM as a tradeoff for gain in stream reach</p> Signup and view all the answers

    What is the service pressure of the KRAKENEXO hose?

    <p>$400$ lbs</p> Signup and view all the answers

    What is the total dry weight of the high-rise hose pack?

    <p>$55.5$ lbs</p> Signup and view all the answers

    What is the primary use of spanners?

    <p>To remove caps and tighten hoseline couplings</p> Signup and view all the answers

    What is the purpose of using assorted fittings?

    <p>Used to connection other hose connections like normal connection available</p> Signup and view all the answers

    Why might spare gaskets be used during high-rise firefighting operations?

    <p>To replace any damaged or torn gaskets found during high-rise firefighting operations</p> Signup and view all the answers

    What is the purpose of the safety strap with a storage pouch?

    <p>To secure the RAM XD during high-rise operations</p> Signup and view all the answers

    What is the hydraulic effect of the active safety system of the RAM XD active at?

    <p>Approximately 350 GPM</p> Signup and view all the answers

    What is the maximum nozzle pressure for the 115 tip when using the MQA?

    <p>55 psi</p> Signup and view all the answers

    How much travel does the RAM XD have left and right from center during high-rise operations?

    <p>20 feet</p> Signup and view all the answers

    What is the maximum pressure and flow operation for the RAM XD?

    <p>500 GPM and 150 psi</p> Signup and view all the answers

    What is the purpose of the four fold-out aluminum forged legs with carbide tipped ground spikes on the RAM XD?

    <p>To provide stability and grip</p> Signup and view all the answers

    What is the approximate weight of friction loss within the RAM XD when flowed at 500 GPM?

    <p>$9.5$ lbs</p> Signup and view all the answers

    What nozzle angle does the self-correcting increase in nozzle angle protect against during unmanned use of the monitor?

    <p>$35$ above horizontal</p> Signup and view all the answers

    What is the range within which the RAM XD can be set while unmanned?

    <p>$30$ to $60$</p> Signup and view all the answers

    What is the purpose of the smoothbore nozzle in the high-rise hose pack?

    <p>To prevent air from entering the hose</p> Signup and view all the answers

    What is the purpose of extending the male coupling 10 floor lengths?

    <p>To easily fold the coupling back on top of the pack</p> Signup and view all the answers

    What is the advantage of placing the married coupling near the end of the hose pack?

    <p>It allows the high-rise pack to bend more easily</p> Signup and view all the answers

    What is the purpose of securing the remaining female and male couplings over the top of the pack?

    <p>To protect the couplings from damage during transport</p> Signup and view all the answers

    What is the purpose of using three Velcro straps in the Single Stack method?

    <p>To indicate where to start packing the hose</p> Signup and view all the answers

    Why is it important to have duct tape lines on the floor if there are no pre-marked measurements?

    <p>To guide in folding and packing the hose correctly</p> Signup and view all the answers

    What should be done first in building a high-rise hose pack using the Twin Donut method?

    <p>Laying the hose out flat with no twists</p> Signup and view all the answers

    What is one potential advantage of using a Twin Donut pack over other methods?

    <p>It provides a compact pack that can fit into a specific compartment on an engine</p> Signup and view all the answers

    What is a key feature of securing a high-rise hose pack using three Velcro straps?

    <p>Indicating where to start packing the hose</p> Signup and view all the answers

    Why is it important to leave enough space between male and female couplings when rolling one section with male coupling inside and one section with female coupling inside?

    <p>To provide additional length for connecting with a smoothbore nozzle</p> Signup and view all the answers

    What should be done after securing the married coupling near the end of the stack in building a high-rise hose pack?

    <p>Fold remaining female and male couplings over the top of the pack</p> Signup and view all the answers

    What is one potential advantage of using a Single Stack method for building a high-rise hose pack?

    <p>It allows for easier bending of high-rise pack</p> Signup and view all the answers

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