4AE3 U4 C5 Obj 5
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4AE3 U4 C5 Obj 5

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Questions and Answers

Which type of pumps are typically used as fire pumps?

  • Centrifugal pumps (correct)
  • Diaphragm pumps
  • Positive displacement pumps
  • Reciprocating pumps

    • What is the range of discharge pressures for fire pumps?

  • 280 kPa to 2000 kPa (correct)
  • 100 kPa to 500 kPa
  • 2000 kPa to 4000 kPa
  • 600 kPa to 1000 kPa

    • What certification requirements must fire pumps meet?

  • NFPA 10 and CSA standards
  • NFPA 20 and ULC standards (correct)
  • ULC standards only
  • NFPA 20 and CSA standards

    • Which type of pump is used to maintain system pressure in wet systems with small leaks?

    <p>Jockey pump</p> Signup and view all the answers

    What activates the fire pump in a standpipe or sprinkler system?

    <p>Pressure-sensitive switch</p> Signup and view all the answers

    Which codes and standards must be met for pump drivers, auxiliary equipment, and associated electrical equipment?

    <p>CSA C22.1 - Canadian Electrical Code</p> Signup and view all the answers

    What can frequent cycling of jockey pumps indicate?

    <p>A significant leak in the fire system</p> Signup and view all the answers

    Which organization mandates regular fire pump testing?

    <p>NFPA 25</p> Signup and view all the answers

    Which of the following checks should be done when the fire pump is not running?

    <p>Verify that all required inlet and outlet valves are locked open</p> Signup and view all the answers

    Which of the following should be checked when the fire pump is running?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is a common method to start the fire pump during testing?

    <p>Simulating water use by opening a drain valve in the sprinkler system</p> Signup and view all the answers

    What is the purpose of fire pumps in a facility's fire protection system?

    <p>To provide a reliable flow of water for fire hoses and sprinklers</p> Signup and view all the answers

    What is the range of capacities for fire pumps?

    <p>1.6 Lis to over 300 Lis</p> Signup and view all the answers

    What standards must fire pumps meet for certification?

    <p>NFPA and Underwriters Laboratories Canada (ULC)</p> Signup and view all the answers

    Which of the following checks should be included when operators check fire pumps shortly after start-up?

    <p>Packing gland leakage and abnormal sounds</p> Signup and view all the answers

    What is the maximum length of time fire pumps should keep running when shut down manually?

    <p>1 minute for each 750 watts of motor rating</p> Signup and view all the answers

    Which of the following checks should be made when the fire pump is not running as part of regular operator rounds?

    <p>Verify that the breaker for an electrically driven fire pump is energized and in auto</p> Signup and view all the answers

    What is the purpose of fire pump testing according to NFPA 25?

    <p>To compare the pump's performance to manufacturer's specifications</p> Signup and view all the answers

    Which type of pumps are typically used as fire pumps?

    <p>Centrifugal pumps</p> Signup and view all the answers

    What can frequent cycling of jockey pumps indicate?

    <p>Significant leak in the fire system</p> Signup and view all the answers

    What activates the fire pump in a standpipe or sprinkler system?

    <p>Activation of a standpipe connection</p> Signup and view all the answers

    Which codes and standards must be met for pump drivers, auxiliary equipment, and associated electrical equipment?

    <p>All of the above</p> Signup and view all the answers

    According to NFPA 20, what type of pumps are typically used as fire pumps?

    <p>Centrifugal pumps</p> Signup and view all the answers

    What is the range of capacities for fire pumps?

    <p>1.6 Lis to 300 Lis</p> Signup and view all the answers

    Why are fire pumps installed near the point of water supply to a facility?

    <p>To meet water volume requirements due to insufficient pressure</p> Signup and view all the answers

    Which of the following is the purpose of a jockey pump in a fire protection system?

    <p>To maintain system pressure in wet systems with small leaks</p> Signup and view all the answers

    Which of the following is NOT a common driver for fire pumps?

    <p>Gasoline engines</p> Signup and view all the answers

    Which of the following codes and standards must be met for pump drivers, auxiliary equipment, and associated electrical equipment?

    <p>NFPA - 54 National Fuel Gas Code</p> Signup and view all the answers

    What activates the fire pump in a standpipe or sprinkler system?

    <p>Loss of standpipe or sprinkler system pressure</p> Signup and view all the answers

    Which of the following checks should be included when operators check fire pumps shortly after start-up?

    <p>Checking the fuel supply pressure for a diesel engine</p> Signup and view all the answers

    What is the purpose of fire pump testing according to NFPA 25?

    <p>To monitor the operation of the pump</p> Signup and view all the answers

    Which of the following is a common method to start the fire pump during testing?

    <p>Simulating water use by opening a drain valve in the sprinkler system</p> Signup and view all the answers

    What can frequent cycling of jockey pumps indicate?

    <p>Small leaks in wet systems</p> Signup and view all the answers

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