WorksheetsFire Insp & Code Enf Ch 13
Total questions: 98
Worksheet time: 49mins
Name
Class
Date
1.
What type of special-agent fire extinguishing system is used when rapid fire extinguishment is required and where reignition is unlikely? Page 565
a)
Dry-chemical systems
b)
Wet-chemical systems
c)
Dry power systems
d)
Clean agent systems
2.
Special-agent fire extinguishing systems are classified by the: Page 565
a)
type of fire they will extinguish.
b)
amount of time it takes to expel the agent.
c)
type of occupancy.
d)
type of fire they will extinguish.
3.
Which class of fire involves energized electrical equipment? Page 565
a)
Class C
b)
Class A
c)
Class B
d)
Class D
e)
Class K
4.
Which of the following tasks regarding dry-chemical systems is an Inspector I MOST likely to be required to perform? Page 566
a)
Inspect new installations
b)
Perform acceptance tests on new installations
c)
Witness periodic inspections of existing systems
d)
Create installation plans
5.
Which type of dry-chemical fixed application method introduces a concentration of agent into a closed area? Page 566
a)
Total flooding
b)
Local application
c)
Partial flooding
d)
Handheld hoseline
6.
What is the biggest disadvantage to dry-chemical systems? Page 567
a)
Require extensive cleanup
b)
Unable to put out fires requiring oxygen exclusion
c)
Unable to put out fires requiring chemical flame inhibition
d)
Expensive
7.
Which dry-chemical agent is also known as ordinary dry chemical? Page 567
a)
Sodium bicarbonate
b)
Potassium bicarbonate
c)
Monoammonium phosphate
d)
Monoflurocarbon phosphate
8.
Which dry-chemical system component may contain both the agent and the pressurized expellant gas? Page 568
a)
Storage container
b)
Piping
c)
Nozzle
d)
Actuating mechanism
9.
Which dry-chemical system component releases agent into the piping system? Page 568
a)
Actuating mechanism
b)
Storage container
c)
Piping
d)
Nozzle
10.
Which type of special-agent fire extinguishing system is used for combustible metal fires? Page 569
a)
Dry powder systems
b)
Wet-chemical systems
c)
Clean-agent systems
d)
Water-based systems
11.
Which type of dry powder agent is sodium chloride (salt) based? Page 571
a)
MET-L-X
b)
LITH-X
c)
NA-X
d)
CAR-L-X
12.
Which special-agent fire extinguishing system is most effective on fires in commercial cooking equipment that produces grease-laden vapors? Page 571
a)
Wet-chemical systems
b)
Dry powder systems
c)
Clean agent systems
d)
Dry-chemical systems
13.
What type of special-agent fire extinguishing system is used for combustible metal fires? Page 571
a)
Dry powder systems
b)
Dry-chemical systems
c)
Wet-chemical systems
d)
Clean agent systems
14.
The general category of fire extinguishing agents that effectively leave no residue is a: Page 572
a)
Clean agent system
b)
Dry powder systems
c)
Wet-chemical systems
d)
Carbon dioxide systems
15.
Wet-chemical fire extinguishing agents are delivered to the hazard area in the form of a: Page 572
a)
spray
b)
powder
c)
vapor
d)
gas
16.
Stored as a liquefied compressed gas, Clean-agents convert to a ___when exposed to air. (pg.572)
a)
gas
b)
solid
c)
foam
d)
vapor
17.
Clean-agent fire extinguishing systems are effective on Class A, B, and C fires and ___ conduct electricity. (pg.572)
a)
will not
b)
will
18.
Typical applications for Clean-agent fire extinguishing systems include: [select all that apply] (pg.572)
a)
Computer rooms
b)
Document archives and art storage rooms
c)
Laboratories
d)
Industrial Plants
19.
Which NFPA describes the requirements for total flooding and local application Clean-agent extinguishing systems? (pg.572)
a)
NFPA®2001
b)
NFPA®17
c)
NFPA®12
d)
NFPA®13
20.
What are the atoms from one of the halogen series of chemical elements, that are in the Clean-agent group? [select all that apply] (pg.573)
a)
fluorine
b)
chlorine
c)
bromine
d)
iodine
21.
Halon systems can remain in service until they need to be replaced or upgraded due to system discharge or the need to recharge the system. (pg.573)
a)
True
b)
False
22.
What two types of Halon are still in use? [select all that apply] (pg.573)
a)
Halon 1211 (bromochlorodifluoromethane)
b)
Halon 1301 (bromotrifluoromethane)
c)
Halon 2402 (dibromotetrafluoroethane)
d)
Halon 10001 (iodomethane)
23.
Halon materials may be recycled. (pg.573)
a)
True
b)
False
24.
Recycling Halon materials, reduces the material's volume by approximately ___ each time it is recycled. (pg.573)
a)
0.1
b)
0.15
c)
0.12
d)
0.08
25.
Halocarbon agent that becomes a rapidly evaporating liquid when discharged; no residue and meets EPA minimum requirement; does not conduct electricity, suitable for Class C fires. [Halon Replacement Agent] (pg.573)
a)
Halotron®
b)
FM-200™
c)
Inergen®
d)
ECARO-25™
26.
Halocarbon agent that leaves no residue, not harmful to humans or the environment; requires significantly more agent to achieve extinguishment than Halon 1301 [Halon Replacement Agent] (pg.573)
a)
FM-200™
b)
Halotron®
c)
Inergen®
d)
FE-36™
27.
Blend of three naturally occurring gases:nitrogen,argon, and carbon dioxide; environmentally safe, does not contain chemical composition like other halon alternatives; stored in cylinders near the facility under protection. [Halon Replacement Agent] (pg.574)
a)
Inergen®
b)
FM-200™
c)
ECARO-25™
d)
FE-36™
28.
Hydrofluorocarbon-based agent nonconductive, noncorrosive, residue free, zero ozone-depletion potential (ODP) and environmentally preferred to halon; third-party testing indicates safe for human exposure in very short durations. [Halon Replacement Agent] (pg.574)
a)
ECARO-25™
b)
Inergen®
c)
FM-200™
d)
Halotron®
29.
A ___ fire extinguishment system is used when water alone may not be an effective fire extinguishing agent. Page 578
a)
foam
b)
clean agent
c)
carbon dioxide
d)
dry powder
30.
: Prevents air and flammable vapors from combining. Page 578
a)
Smothering
b)
Separating
c)
Cooling
d)
Suppressing
31.
: Intervenes between the fuel and the fire. Page 578
a)
Separating
b)
Smothering
c)
Cooling
d)
Suppressing
32.
: Lowers the temperature of the fuel and adjacent surfaces. Page 578
a)
Cooling
b)
Separating
c)
Smothering
d)
Suppressing
33.
: Prevents the release of flammable vapors. Page 578
a)
Suppressing
b)
Separating
c)
Cooling
d)
Smothering
34.
Foam extinguishes a fire by which of the following methods? (Select all that apply) Page 578
a)
Suppressing
b)
Cooling
c)
Separating
d)
Smothering
35.
True or false: When applied at the correct rate of discharge, foam suppresses fire by forming a chemical layer that is resistant to air on the liquid surface and absorbs heat. Page 578
a)
True
b)
False
36.
According to NFPA 11, there are how many types of foam fire extinguishing systems? Pages 578-579
a)
Four
b)
Three
c)
Five
d)
Two
37.
: Complete installation that is piped from a central foam station; automatically discharges through fixed delivery outlets to the protected hazard. Pages 578-579
a)
Fixed Foam System
b)
Semifixed Foam System
c)
Mobile Foam System
d)
Portable Foam System
38.
: Foam discharge piping is in place but not attached to a permanent source of foam; requires a separate mobile foam-solution source, usually a fire brigade or fire department pumper/truck. It is primarily used on flammable liquid storage tanks. Page 579
a)
Semifixed Foam System
b)
Fixed Foam System
c)
Mobile Foam System
d)
Portable Foam System
39.
: A wheel-mounted, foam fire extinguishing system; may contain a premixed foam solution, or have water supply connection capability; can be self-propelled or towed by a vehicle. Page 579
a)
Mobile Foam System
b)
Semifixed Foam System
c)
Fixed Foam System
d)
Portable Foam System
40.
: Hand-transported foam-producing equipment, such as hose, nozzle proportioner, and other materials. Page 579
a)
Portable Foam System
b)
Mobile Foam System
c)
Semifixed Foam System
d)
Fixed Foam System
41.
: Mixing of water with an appropriate amount of foam concentrate. Page 579
a)
Proportioning
b)
Combining
c)
Generation
d)
Mixture
42.
True or false: Most fire extinguishing foam concentrates in use today are the mechanical type, which means they must be proportioned with water and mixed with air before they can be used. Page 579
a)
True
b)
False
43.
: Raw foam liquid before the introduction of water and air; usually shipped in a 5-gallon bucket or 55-gallon drums. Foam concentrate for fixed systems is stored in large fixed tanks that can hold 500 gallons or more. Page 579
a)
Foam concentrate
b)
Foam proportioner
c)
Foam solution
d)
Foam
44.
: Device that introduces the correct amount of foam concentrate into the water stream to make the foam solution. Page 579
a)
Foam proportioner
b)
Foam concentrate
c)
Foam solution
d)
Foam
45.
: Homogeneous mixture of foam concentrate and water before the introduction of air. Page 579
a)
Foam solution
b)
Foam proportioner
c)
Foam concentrate
d)
Foam
46.
: Completed product once air is in introduced into the foam solution. Page 579
a)
Foam
b)
Foam solution
c)
Foam proportioner
d)
Foam concentrate
47.
Which four elements are necessary to produce high-quality fire fighting foam? Page 580
a)
Foam concentrate
b)
Water
c)
Air
d)
Mechanical agitation
48.
What are the two stages in the formation of foam? Page 580
a)
Proportioning
b)
Aeration
c)
Generation
d)
Combining
49.
How many rates are there for foam expansion? Page 581
a)
Three
b)
Four
c)
Five
d)
Two
50.
: Has a small air/solution ration, generally in the are of 7:1 to 20:1; used primarily to extinguish fires involving liquid fuels. Page 581
a)
Low expansion
b)
Medium expansion
c)
High expansion
d)
Extreme expansion
51.
: typically has expansion ratios between 20:1 and 200:1; used when rapid vapor suppression is needed. Page 581
a)
Medium expansion
b)
Low expansion
c)
High expansion
d)
Extreme expansion
52.
: Generally has expansion ratios of 200:1 to about 1,000:1; useful as a space-filling agent in aircraft hangers and such hard to reach spaces such as basements, mineshafts, and other subterranean areas, and bulk-baled commodities such as paper, rags, and cardboard. Page 582
a)
High expansion
b)
Medium expansion
c)
Low expansion
d)
Extreme expansion
53.
True or false: Because foam concentrates must match the fuel to which they are applied, it is important to identify the type of fuel the fire extinguishing system is protecting. Page 582
a)
True
b)
False
54.
Fire extinguishing foam concentrate is manufactured with either a ___ or ___ base. Page 582
a)
synthetic
b)
protein
c)
chemical
d)
organic
55.
What are some common used foam proportioners? (Select all that apply) Page 583
a)
Balanced pressure proportioner
b)
Around-the-pump proportioner
c)
Pressure proportioning tank system
d)
Coupled water motor-pump proportioner
56.
For a fire extinguisher to be effective, it must be: (Select all that apply) Pages 584-585
a)
Readily visible and accessible
b)
Suitable for the hazard being protected
c)
Properly maintained
d)
Of sufficient size to control an incipient fire
e)
Used in appropriate wind and weather conditions to provide effective application on exterior fires
57.
True or false: Multiple letters or numerical-letter ratings are used for portable fire extinguishers that are effective on more than one class of fire. Page 585
a)
True
b)
False
58.
NFPA 10 recognizes two methods of extinguisher recognition, what are they? Page 586
a)
Pictorial
b)
Letter-symbol
c)
Numerical
d)
Color scheme
59.
: Liquid used to extinguish fires in Class A materials primarily by cooling the burning fuel. Page 586
a)
Water
b)
Gasoline
c)
Oil
d)
Coca-Cola
60.
Developed by DuPont™ to replace both Halon 1301 in local application systems and Halon 1211 in portable fire extinguishers; consists of hydrofluorocarbon HFC-236fa; computer and telecommunications rooms, museums and archives, hospitals, auto racetracks etc[Halon Replacement Agent] (pg.574)
a)
FE-36™
b)
Halotron®
c)
FM-200™
d)
Inergen®
61.
Clean-agent fire extinguishing systems may be fixed systems that are designed for local application or total flooding agent distribution. (pg.574)
a)
True
b)
False
62.
Carbon Dioxide Systems are suitable for fires involving metals. (pg.574)
a)
False
b)
True
63.
Carbon Dioxide Systems have been used to extinguish fires involving the following materials or equipment: [select all that apply] (pg.574)
a)
Flammable and combustible liquids
b)
Electrical equipment and energized equipment, including power plants and large standby generators
c)
Flammable gases
d)
Other combustibles including cellulose materials
64.
CO2's primary mechanism of extinguishment is accomplished through: [select all that apply] (pg.574)
a)
oxygen removal
b)
smothering
c)
displacing oxygen
d)
flame inhibition
65.
The most serious problem involving CO2 systems, especially total flooding systems, is: (pg.575)
a)
personnel safety
b)
exposure to flammable liquids
c)
electrical equipment
d)
cellulose materials
66.
In Total flooding systems, alarms alone are enough to guarantee personnel safety. (pg.575)
a)
False
b)
True
67.
NFPA® ___ requires ___ room integrity tests. [select all that apply] (pg.576)
a)
2001.0
b)
annual
c)
2010.0
d)
semiannual
68.
In a clean-agent system, the quantity and pressure of the clean agent must be checked: Page 596
a)
Semiannually
b)
Annually
c)
Monthly
d)
Weekley
69.
How often should CO2 agent cylinders be checked and changed if necessary? Page 596
a)
Semiannually
b)
Annually
c)
Monthly
d)
Weekley
70.
The main factors that influence proper selection and distribution of fire extinguishers are extinguisher size, travel distances, and nature of the hazard to be protected. Page 597
a)
TRUE
b)
False
71.
What is the most important factor in determining the distribution of Class B extinguishers? Page 599
a)
Travel distance to hazard
b)
Individual hazard
c)
Size
d)
Type
72.
When it comes to fire extinguishers, inspectors are responsible for: Page 600
a)
Providing information and recommendations for training
b)
Providing information and recommendations for testing
c)
seeing that monthly inspections are performed
d)
The maintenance
73.
How often should an inspector check all valves and alarms attached to foam systems? Page 597
a)
Semiannually
b)
Annually
c)
Monthly
d)
Weekly
74.
In all occupancies, the maximum travel distance to an extinguisher for Class A hazards is: Page 599
a)
75 feet
b)
25 feet
c)
10 feet
d)
30 feet
75.
Who is allowed to perform maintenance and testing on carbon dioxide extinguishing systems? Page 596
a)
Licensed representatives of the system manufacturer
b)
The inspector
c)
The owner/occupant
d)
The authority having jurisdiction (AHJ)
76.
Every 12 years dry-chemical storage containers (cylinders) that are less than 150 pounds (75 kg) must be: Page 595
a)
hydrostatically tested
b)
flow tested
c)
repaired
d)
replaced
77.
In addition to the clean-agent system inspections and tests, what else must be inspected annually? Page 596
a)
Protected enclosure
b)
Portable extinguishers
c)
Fire hydrants
d)
Sprinkler systems
78.
Who is responsible for verifying to the inspector that dry-chemical systems are maintained and serviced? Page 594
a)
Qualified Individual
b)
The inspector
c)
owner/occupant
d)
The installer
79.
Foam concentrates, foam equipment, and foam proportioning systems should be checked: Page 597
a)
Annually
b)
Monthly
c)
Weekly
d)
Immediately
80.
NFPA® 10 recommends portable fire extinguishers be inspected: Page 600
a)
Monthly
b)
Every 12 years
c)
Every 5 years
d)
Weekly
81.
In areas where Class K fires are likely, the maximum travel distance from the hazard to the extinguisher is: Page 600
a)
30 feet
b)
75 feet
c)
50 feet
d)
150 feet
82.
The general method for locating and distributing extinguishers consists of: Page 597
a)
Classifying occupancies based on hazard levels
b)
The nature of the occupants
c)
Fire extinguisher distribution
d)
Identifying the occupancy type
83.
Who is responsible for keeping accurate records of fire extinguisher inspections? Page 601
a)
Owner/Occupant
b)
The inspector
c)
Qualified individual
d)
The manufacturer
84.
How often should carbon dioxide agent cylinders be checked and, if necessary, changed? Pager 596
a)
Semiannually
b)
Annually
c)
Weekly
d)
Monthly
85.
What determines the size of the fire extinguisher needed for an incident? Page 599
a)
Quantity of burning fuel an extinguisher can extinguish
b)
Flammable liquids
c)
The distance from the extinguisher to the hazard
d)
The effectiveness of portable fire extinguishers
86.
Which type of occupancy hazard classification is one in which the amount of ordinary combustible material or flammable liquid present is such that an incipient fire of small size may be expected? Page 597
a)
Light-hazard occupancy
b)
Ordinary-hazard occupancy
c)
Extra-hazard occupancy
d)
High-hazard occupancy
87.
Who should perform maintenance and testing on CO2 extinguishing systems? Page 596
a)
Licensed representatives of the system manufacturer
b)
Owner/occupant
c)
The inspector
d)
Qualified individual
88.
What kind of test is required every five years for clean-agent storage containers? Page 596
a)
Hydrostatic
b)
Flow Test
c)
Fire extinguisher test
d)
protected enclosure
89.
How often should a qualified individual inspect all system components of clean-agent systems? Page 596
a)
Annually
b)
Monthly
c)
Weekly
d)
Daily
90.
How often should valves and alarms attached to foam systems be checked? Page 597
a)
Semiannually
b)
Annually
c)
Monthly
d)
Weekly
91.
Local application systems are as dangerous to personnel as total flooding systems. (pg.576)
a)
False
b)
True
92.
Automatic operation: (pg.577)
a)
Initiated by a listed form of smoke or fire detection device;Trigger control valves on the CO2 supply that allow the agent to enter the system and discharge
b)
Initiated by a person manually operating a control device; includes predischarge alarms
c)
Used only when the other two actuation modes fail; discharges immediately, without any warning
93.
Normal manual operation: (pg.577)
a)
Initiated by a person manually operating a control device; includes predischarge alarms
b)
Used only when the other two actuation modes fail; discharges immediately, without any warning
c)
Initiated by a listed form of smoke or fire detection device;Trigger control valves on the CO2 supply that allow the agent to enter the system and discharge
94.
Emergency manual operation: (pg.577)
a)
Used only when the other two actuation modes fail; discharges immediately, without any warning
b)
Initiated by a listed form of smoke or fire detection device;Trigger control valves on the CO2 supply that allow the agent to enter the system and discharge
c)
Initiated by a person manually operating a control device; includes predischarge alarms
95.
CO2 systems exist as either ___-pressure or ___-pressure systems. [select all that apply] (pg.577)
a)
high
b)
low
c)
normal
d)
medium
96.
Nozzles for total flooding systems may be the high- or low-velocity types. (pg.577)
a)
True
b)
False
97.
How often should portable fire extinguishers be inspected? Page 600
a)
Monthly
b)
Semiannually
c)
Annually
d)
Weekly
98.
Which type of occupancy hazard classification is one in which the amount of ordinary combustible materials and flammable liquids present are high and a rapidly spreading fire may develop? Page 598
a)
Extra-hazard occupancy
b)
Light-hazard occupancy
c)
Ordinary-hazard occupancy
d)
High-hazard occupancy
100 %
