Fire Inspector Assessment III
When considering the distribution of fire extinguishers for Class A hazards, the maximum travel distance to extinguishers will be __________ feet.
75
Buildings with Class I or III standpipe systems may be required to have a 2-1/2" outlet on the roof when all of the following conditions exist, except:
Freezing weather
Which one of the following would not cause reduction of a sprinkler system's effectiveness?
Pumping into the system
Which of the following is not a type of fixed fire extinguishing system?
Purple K
Which of the following could not be used as a control valve for an automatic sprinkler system?
Stop or cock valve
The appropriate portable extinguisher for extinguishing a fire in a computer is:
Type C.
The purpose of the fire department connection to a sprinkler system is to:
allow the fire departments to augment the pressure.
The color of a sprinkler head frame that has a temperature classification of "High" is:
blue
Which automatic sprinkler system normally has open sprinkler heads?
deluge
Class A fires involve:
ordinary combustibles.
The full name of a PIV valve is:
post-indicator valve.
Which sprinkler system has air in piping, water flow control, fire detection devices, and closed sprinklers?
pre-action
Requirements for the selection and distribution of portable fire extinguishers are contained in NFPA:
10
When testing a stationary fire pump, NFPA requires __________ start and stop cycles of five minutes each.
10
To manage standpipe pressures on lower floors of a high rise, pressure regulating devices are installed. These devices are designed to limit pressure to ______ psi to make the hose line manageable.
100
Vents on above-ground storage that are located in proximity to buildings or public places shall be __________ feet from the ground, so that vapors are released outside and in a safe area.
12
The required air pressure for dry-pipe systems generally ranges between __________ and __________ psi above the trip point.
15-20
NFPA __________ sets forth requirements for all dry chemical extinguishing systems.
17
A minimum clearance of __________ inches shall be maintained below each sprinkler head as measured from the deflector.
18
Partitions, storage and all obstruction should not be within __________ inches of sprinkler heads.
18
Directions: (Caution-this is a two-step question worth 4 points). The following is the procedure for conducting the main drain test of automatic sprinkler systems. First, number the steps 1 - 5 in the blanks beside each showing the order in which they should be performed. ____open drain ____record pressure on system ____observe and record static pressure ____close main drain ____record pressure drop
2, 1, 3, 4, 5
Directions: (Caution-this is a two-step question worth 5 points.) The following are the steps for conducting the main drain test of automatic sprinkler systems. Number the steps 1 - 5 in the blanks beside each showing the order in which they should be performed. ____Record pressure on system side. ____Open main drain. ____Observe and record pressure drop. ____Close main drain. ____Observe and record final static pressure.
2, 3, 1, 4, 5
How much water is required for a fire extinguisher to receive a 2-A rating?
2-1/2 gallons
The standard hydrostatic test for all piping in a wet pipe systems is not less than __________ for __________.
200 psi, 2 hours
The standard hydrostatic test for all piping in wet pipe systems is not less than __________ for __________.
200 psi, two hours
In buildings containing more than three dwelling units, how many gallons of Class I and Class II liquids may be stored in approved containers?
25
In areas where K-Class fire extinguishers for cooking hazards should be placed so the travel distance is no more than:
30 feet.
The temperature range of a sprinkler head color-coded red is __________ degrees F.
325 to 375
According to NFPA, the heat for the dry-valve enclosure should be kept at __________ during freezing weather.
40oF
Extinguishers weighing less than 40 pounds (18.1 Kg.) should be installed with the top not more than __________ from the floor.
5 feet (1.5 m)
Most automatic sprinkler systems are designed on the basis that a fire will be controlled by the operation of:
5 heads or less.
Standards governing the classification and marking of hazardous materials are published in NFPA Standard:
704.
On average, __________ percent of all fires in buildings with sprinklers are either extinguished or controlled by the sprinklers until they are completely extinguished by firefighters.
94
Which of the following are types of fixed fire extinguishing systems?
Automatic sprinkler systems, foam systems, carbon dioxide systems, halogenated agent systems, and chemical systems
Carbon dioxide extinguishers are generally rated for Class __________ fires.
B and C
__________ fixed fire extinguishing systems are primarily used to protect against fires involving flammable gases or liquids and in electrical equipment.
Carbon Dioxide
A stored-pressure water extinguisher would be best used on a __________ fire.
Class A
A fire extinguisher bearing the picture symbol illustrated below would be suitable for extinguishing:
Class A, B, and C fires.
A red square containing a letter would indicate an extinguisher may be used on __________ fires.
Class B
Fires involving flammable liquids, greases, and gases are __________ fires.
Class B
A blue circle with a letter designation in the center would indicate an extinguisher is rated for use on __________ fires.
Class C
A wet chemical fire extinguisher used for cooking fires is:
Class K.
A multipurpose dry-chemical fire extinguisher will not be effective on which of the following type of fire?
Combustible metals
_________ sprinkler systems should be used in buildings where insufficient heat is maintained.
Dry pipe
__________ sprinkler heads are designed to extinguish fires. __________ sprinkler heads are designed to confine fires.
ESFR / Standard
Which of the following is not a primary water supply source for an automatic sprinkler system?
Fire department apparatus
What usually activates a wet sprinkler system head that results in a discharge of water?
Heat
All sprinkler system control valves must be of __________ type.
Indicating
When referring to the L.E.L. of a flammable or combustible liquid, what does the L.E.L. mean?
Lower Explosive Limit
Common Halon replacement systems include all the following except:
Metel-x
Which NFPA standard identifies requirements and regulations relative to the distribution and location of portable fire extinguishers?
NFPA 10
Which NFPA standard deals with the installation of sprinkler systems?
NFPA 13
The standard for the installation of sprinkler systems in one- and two- family dwellings and manufactured homes is:
NFPA 13D.
Which NFPA Standard regulates the installation of standpipe systems?
NFPA 14
Which NFPA Standard regulates the installation of fixed/stationary fire pumps?
NFPA 20
Sprinkler systems shall be inspected, tested, and maintained in accordance with:
NFPA 25.
The basic difference between a pump-operated extinguisher and a cartridge-operated extinguisher is:
The cartridge-operated extinguisher does not require manual pumping.
The type of fixed extinguishing system that raises the humidity in a room enough to halt the combustion process is called:
Water Mist.
Which sprinkler system has water in the pipes at all times?
Wet
The purpose of the fire department connection is to:
boost the pressure or amount of water flowing through a sprinkler or standpipe system.
Which of the following sprinkler system components is not considered a main water control valve?
check valve
Repeated exposure of a sprinkler head to temperature changes may cause the fusible links to weaken. This process is called:
cold flow.
Dry chemical fixed fire extinguishing systems are not recommended for use on:
delicate electrical equipment.
A __________ sprinkler system is normally equipped with open-type sprinkler heads.
deluge
The _________ system is ordinarily equipped with all sprinkler heads of the open type.
deluge
The __________ system is equipped with a dry type valve and all sprinkler heads are open.
deluge
Hydrostatic testing should be accomplished:
during above-freezing weather.
There are two primary power sources or drivers for stationary fire pumps. They are:
electric and pressure.
A fire department connection to a sprinkler system enables firefighters to:
ensure that the pressure of the primary water supply is maintained.
During normal conditions, the static pressure above the clapper valve in a wet-pipe sprinkler system is:
equal to or greater than the static pressure below the clapper.
Dry-standpipe systems must be hydrostatically tested:
every five years.
A stationary fire pump is installed when the:
existing water supply is inadequate.
An OS&Y valve is open when the threads are:
extended
The common classifications of sprinkler systems include all of the following except:
external-supply system.
The hose connections to the FDC (Fire Department Connection) must be of the __________ type and equipped with standard caps.
female
The hose connections to the Fire Department Connection (FDC) may be of the __________ type and equipped with standard caps.
female
Some dry standpipe systems have no permanently connected water supply and must be supplied totally by a/ an:
fire department connection.
Class III standpipe systems are intended to be used by:
fire department personnel or building occupants.
The four types of standpipe systems are:
fire department supplied dry standpipe, automatic water supplied dry standpipe, manually activated dry standpipe, and wet standpipe.
Most automatic sprinkler systems are designed on the premise that a fire will be controlled by the operation of:
five or fewer heads.
Class B fires involve:
flammable liquids.
When mounting a portable fire extinguisher you must maintain at least ______ inches between the floor and bottom of the extinguisher.
four
Class B fires involve fuels such as:
greases or flammable/combustible liquids.
The control valve for a sprinkler system may be located at the system or outside the building. This valve should always be a/an:
indicating type valve.
The quantity of burning fuel that a fire extinguisher can extinguish determines:
its size.
Fire extinguishers shall be visually inspected by the occupant or building owner:
monthly
Sprinkler heads rated for the Ultra High Temperature Classification are color coded:
orange
The full name of an OS&Y valve is:
outside-screw and yoke valve.
To ensure that sprinkler systems perform properly during a fire, they require:
periodic inspection, testing, and maintenance.
A raised noncombustible sill or liquid tight ramp is needed at the opening of a fire resistant room or enclosure for inside storage tanks to:
prevent liquid from flowing into the structure.
Every sprinkler system should be equipped with a main control valve located between the:
source of water supply and the sprinkler system.
When a sprinkler system is equipped with a main control valve, it should be located between the:
source of water supply and the sprinkler system.
A carbon dioxide (CO2) extinguisher's principle means of discharge is:
stored internal pressure.
When inspecting any dry-pipe sprinkler system, the air pressure gauge should read approximately:
the same as recorded on the previous test.
In testing a wet-pipe sprinkler system, opening the inspector's test valve should cause the pressure gauge reading to:
vary slightly.
A riser is a __________ pipe which supplies the sprinkler system.
vertical
When conducting a __________ test by the use of the inspector's test connection, once the alarm operates, the __________ valve should be closed.
water flow alarm, inspector's test
NFPA 20 recommends operational testing of stationary fire pumps on a __________ basis.
weekly
A sprinkler head rated for 175-225 degrees will be color coded:
white
Extinguishers suitable for Class D fires should be identified by a __________ containing the letter "D."
yellow star