NFPA 10 FINAL EXAM VERSION 1 PREP
2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |JUST
RELEASED!!|BRAND NEW
VERSION!!|GUARANTEED PASS
Fire extinguishers having a gross weight greater than 40lbs shall be installed so that the top of
the extinguisher is no more the _______ ft above the floor
3.5
In no case shall the clearance between the bottom of the extinguisher and the floor be less than
______
4in
HMIS, 6 year, hydrostatic test or other labels shall not be placed on what part of the
extinguisher?
the front
What is the minimum Class A rating for a single fire extinguisher for light and ordinary hazard
occupancy/
2-A
For a 3000 sq ft facility, how many 2-A rated extinguishers would be required for ordinary
hazard occupancy?
2
1|Page
,What is the maximum travel distance to a Class A extinguisher?
75ft
What is the minimum travel distance to a 20-B rated extinguisher in an ordinary area?
50ft
How should hazard areas involving Class B fires in flammable liquids of appreciable depth that
are not manned all of the time be protected?
By fixed systems
Travel distances for portable extinguishers used to protect flammable liquids of appreciable
depth shall not exceed ____ ft
50
What action should be taken to prevent resignation of class C fire?
De-energize
The maximum travel distance to a class D fire is _____ ft
75
What determines the size of Class D extinguisher in class D hazards?
1.
2.
3.
4.
1. Specific combustible metal
2. Physical particle size
3. Area to be covered
4. Recommendations from manufacturer
Maximum distance to class K extinguishers
2|Page
, 30ft
What shall not be used as the sole medium pressure testing?
Air or other gases
Why should air be vented prior to hydrostatic testing?
to prevent violent and dangerous failure of the cylinder
Test pressure gauges shall be accurate to +/-___-% or better of the full range of the gauge
.5
Test pressure gauges shall be capable of being read within ___% of test pressure
1
Test pressure gauges shall be capable of indicating ____% to __% of the test pressure
90 110
How often must gauges used on test equipment be calibrated?
semiannually
How often must master gauges or dead weight testers be calibrated?
annually
What is the maximum temp allowed in drying of tested cylinders?
150F
Is it permissible to leave hose assembelies on cartridge operated fire extinguishers while
hydrostatically testing them?
no
Examples of extinguishers for protecting class B hazards are
A. aqueous film forming foam
3|Page
2026/2027 WITH ACTUAL CORRECT
QUESTIONS AND VERIFIED DETAILED
ANSWERS |CURRENTLY TESTING
QUESTIONS AND SOLUTIONS|ALREADY
GRADED A+|NEWEST |JUST
RELEASED!!|BRAND NEW
VERSION!!|GUARANTEED PASS
Fire extinguishers having a gross weight greater than 40lbs shall be installed so that the top of
the extinguisher is no more the _______ ft above the floor
3.5
In no case shall the clearance between the bottom of the extinguisher and the floor be less than
______
4in
HMIS, 6 year, hydrostatic test or other labels shall not be placed on what part of the
extinguisher?
the front
What is the minimum Class A rating for a single fire extinguisher for light and ordinary hazard
occupancy/
2-A
For a 3000 sq ft facility, how many 2-A rated extinguishers would be required for ordinary
hazard occupancy?
2
1|Page
,What is the maximum travel distance to a Class A extinguisher?
75ft
What is the minimum travel distance to a 20-B rated extinguisher in an ordinary area?
50ft
How should hazard areas involving Class B fires in flammable liquids of appreciable depth that
are not manned all of the time be protected?
By fixed systems
Travel distances for portable extinguishers used to protect flammable liquids of appreciable
depth shall not exceed ____ ft
50
What action should be taken to prevent resignation of class C fire?
De-energize
The maximum travel distance to a class D fire is _____ ft
75
What determines the size of Class D extinguisher in class D hazards?
1.
2.
3.
4.
1. Specific combustible metal
2. Physical particle size
3. Area to be covered
4. Recommendations from manufacturer
Maximum distance to class K extinguishers
2|Page
, 30ft
What shall not be used as the sole medium pressure testing?
Air or other gases
Why should air be vented prior to hydrostatic testing?
to prevent violent and dangerous failure of the cylinder
Test pressure gauges shall be accurate to +/-___-% or better of the full range of the gauge
.5
Test pressure gauges shall be capable of being read within ___% of test pressure
1
Test pressure gauges shall be capable of indicating ____% to __% of the test pressure
90 110
How often must gauges used on test equipment be calibrated?
semiannually
How often must master gauges or dead weight testers be calibrated?
annually
What is the maximum temp allowed in drying of tested cylinders?
150F
Is it permissible to leave hose assembelies on cartridge operated fire extinguishers while
hydrostatically testing them?
no
Examples of extinguishers for protecting class B hazards are
A. aqueous film forming foam
3|Page
