correct answers.
Which of the following is a single-stage fire pump designed to fit into the intake/discharge line with the
driver located above the inline impeller? (534) ANS - Vertical inline
Fire loss data reveals that in buildings equipped with automatic sprinklers, about _____ percent of all
fires were controlled or extinguished by the sprinkler system. (504) ANS - ninety-four
For which fire pump are the impellers actually located within the water supply source? (534) ANS -
Vertical turbine
Which controller monitors and contains alarms for conditions such as low engine oil pressure and high
engine coolant temperature? (537) ANS - Diesel engine controller
Large buildings having two or more zones require a fire department connection (FDC): (531) ANS - for
each zone.
Which type of sprinkler is recessed and covered with a removable decorative cover plate that releases
when exposed to a specific level of heat? (512) ANS - Concealed
Which of the following is a factor that determines the minimum waterflow required for an automatic
sprinkler system? (508) ANS - Hazard being protected
Which type of sprinkler is designed for fast response in residential occupancies where life safety in the
room of origin is the primary concern? (515) ANS - Residential
Which automatic sprinkler system is continually charged with compressed air and when a sprinkler
activates, the air is released, allowing the water-flow control valve to operate and charge the system
with water? (505) ANS - Dry-pipe sprinkler system
Which of the following is the most common method for driving a fire pump? (535) ANS - Electric motor
, Which of the following is a component of standpipe and hose fire suppression systems? (526) ANS -
Pressure-regulating device
Which type of sprinkler is normally provided in a deluge sprinkler system? (515) ANS - Open
Which are vertical sections of pipe that connect the underground supply to the rest of the piping in the
system? (510) ANS - System risers
Thermally sensitive devices such as fusible links keep most sprinklers closed and when heat from a fire
affects these devices: (504) ANS - sprinklers closest to the fire activate automatically.
Which pressure-regulating device at a hose outlet is preferred for managing excessive pressure and is
considered to be the most reliable method of pressure control? (531) ANS - Pressure-control devices
Which type of sprinkler systems operate when an electronic detector or manual control device is
activated? (504) ANS - Deluge or preaction sprinkler systems
Which classification of standpipe and hose systems is designed to be used by both fire department
personnel and trained building occupants? (526) ANS - Class III
Which fire protection system discharges water over the area or surface of electrical equipment to be
protected through an arrangement of pipes and nozzles? (520) ANS - Water-spray fixed system
Water-mist fire suppression systems are designed to be operated at: (522) ANS - considerably higher
pressures than standard sprinkler systems.
Which classification of standpipe and hose fire suppression systems has both 2½-inch (65 mm) hose
connections and 1½-inch (38 mm) hose connections? (526) ANS - Class III
Which detection and activation device sounds a warning when a sprinkler activates and water begins to
flow? (517) ANS - Waterflow alarm