Swiftwater Rescue Techniques

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Questions and Answers

What is the next step in the rescue options from LOW to HIGH risk?

  • Reach
  • Throw
  • Talk
  • Row (correct)

Within how many meters of the water's edge should the safety zone be policed by the OIC or Safety Officer?

  • 5 meters
  • 4 meters
  • 2 meters
  • 3 meters (correct)

At what angle should a line never be tensioned to the current?

  • 60 degrees
  • 90 degrees (correct)
  • 30 degrees
  • 180 degrees

What is the operating pressure of the 'Premier lifeline' inflated fire hose?

<p>6 bars (C)</p> Signup and view all the answers

How many lengths of inflated fire hose can 1 x 1800 ltr BA cylinder fill?

<p>6 (A)</p> Signup and view all the answers

When suspending an inflatable hose from a bridge, it should be held elevated by ropes every how many meters?

<p>3-4 meters (A)</p> Signup and view all the answers

What is the force of water against an object directly related to?

<p>Its speed (C)</p> Signup and view all the answers

What is the result of doubling the water speed?

<p>Double the force (A)</p> Signup and view all the answers

What are the four factors that shallow water crossings are dependent on?

<p>Depth, speed, channel bottom, rescuers (C)</p> Signup and view all the answers

What is the maximum recommended distance for using the continuous loop method for crossing a stretch of water?

<p>30 mts (C)</p> Signup and view all the answers

How long will an average car, even full of water, float for at least?

<p>60 seconds (C)</p> Signup and view all the answers

What is the primary effect of saltwater entering the lungs?

<p>Pulmonary oedema (C)</p> Signup and view all the answers

What is the length of the Dublin Port Tunnel?

<p>4.65 km (C)</p> Signup and view all the answers

On which channel should hand held radios be on during DPT incidents?

<p>Channel 4 (B)</p> Signup and view all the answers

How many minutes can a 3 x F/F recce team in B/A and gas tight suits be committed for during DPT hazardous substances incidents?

<p>20 minutes (C)</p> Signup and view all the answers

What is the greatest approximate height water can rise in a completely evacuated tube?

<p>12m (B)</p> Signup and view all the answers

What is the pressure head in metres if a gauge on a water storage tank reads 4 bars?

<p>40m (A), 40m (B)</p> Signup and view all the answers

If the diameter of the hose is halved, the friction loss is approximately how many times greater?

<p>64 times (D)</p> Signup and view all the answers

What is the friction loss for a 25 metre length of 70mm delivery hose?

<p>2.0 bar (D)</p> Signup and view all the answers

When priming and a deep lift is achieved, a pressure not less than _____ bars should be maintained.

<p>1.0 bars (A)</p> Signup and view all the answers

What action should the pump operator take when pumping from an open supply and the pump gives off a distinctive rattling sound?

<p>Ensure the strainer is deep enough in the water (C)</p> Signup and view all the answers

What is the fourth way foam extinguishes flammable or combustible material?

<p>Emulsifies (B)</p> Signup and view all the answers

How many times more rapidly can water treated with Class A foam concentrate wet a Class A fuel compared to untreated water?

<p>25 (B)</p> Signup and view all the answers

At what engine speed should the optimum priming be set?

<p>1500 rpm (D)</p> Signup and view all the answers

What is the formula to calculate the remaining working duration of an open circuit BA set?

<p>D = 15 x 25 EMS (A)</p> Signup and view all the answers

What is the fourth area/cordon at a major incident?

<p>Exclusion zone (C)</p> Signup and view all the answers

What does METHANE stand for?

<p>Major Emergency Tactical Hazardous Assessment Network Eire (C)</p> Signup and view all the answers

What is an EMS – ACE 1 form used to record?

<p>Incident report (A)</p> Signup and view all the answers

What is the purpose of a body catcher in a tram rescue operation?

<p>To catch people who may fall from the tram (B)</p> Signup and view all the answers

What is the primary purpose of earthing cables in a rescue operation?

<p>To isolate the electrical power source (C)</p> Signup and view all the answers

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