NFPA 10 Portable fire extinguishers Solved Papers -
Questions with Complete Solutions
Shall - Correct Answers ✅Indicates a mandatory
requirement.
Should - Correct Answers ✅Indicates a recommendation or
that which is advised but not required.
High Pressure Cylinder - Correct Answers ✅Pressure
hiigher than 500 psi
Low Pressure Cylinder - Correct Answers ✅Lower than 500
psi
Dry Powder extinguishes Class D combustible metals fires by
________,________< or _________ - Correct Answers
✅Crusting Smothering, heat transferring
A quick check - Correct Answers ✅Inspection
A thorough examination - Correct Answers ✅Maintenence
Flammable liquids of Appreciable depth are those with a
depth greater than - Correct Answers ✅1/4 inch
Pressure testing of extinguisher against unwanted rapture -
Correct Answers ✅Hydrostatic Testing
, NFPA 10 Portable fire extinguishers Solved Papers -
Questions with Complete Solutions
Loaded Stream Charge - Correct Answers ✅A water based
extinguishing agent that uses an alkali metal salt as a
freezing point depressant.
What does a Loaded stream charge use as a freezing point
depressant? - Correct Answers ✅alaki metal salt
Extinguisher service pressure - Correct Answers ✅The
normal operating pressure indicated on the nameplate or
cylinder of a fire extinguisher
Factory test pressure - Correct Answers ✅The pressure
shown on the nameplate at which a shell was tested at time
of manufacture.
Pressurized flammable liquid fires result from liquids that are
_______, ______, or ________ - Correct Answers ✅Forced
pumped or sprayed
Servicing - Correct Answers ✅performing maintenance,
recharging, or hydrostatic testing on a fire extinguisher
What does a wetting agent do when added to water? -
Correct Answers ✅reduces the surface tension and
increases its ability to penetrate and spread
Questions with Complete Solutions
Shall - Correct Answers ✅Indicates a mandatory
requirement.
Should - Correct Answers ✅Indicates a recommendation or
that which is advised but not required.
High Pressure Cylinder - Correct Answers ✅Pressure
hiigher than 500 psi
Low Pressure Cylinder - Correct Answers ✅Lower than 500
psi
Dry Powder extinguishes Class D combustible metals fires by
________,________< or _________ - Correct Answers
✅Crusting Smothering, heat transferring
A quick check - Correct Answers ✅Inspection
A thorough examination - Correct Answers ✅Maintenence
Flammable liquids of Appreciable depth are those with a
depth greater than - Correct Answers ✅1/4 inch
Pressure testing of extinguisher against unwanted rapture -
Correct Answers ✅Hydrostatic Testing
, NFPA 10 Portable fire extinguishers Solved Papers -
Questions with Complete Solutions
Loaded Stream Charge - Correct Answers ✅A water based
extinguishing agent that uses an alkali metal salt as a
freezing point depressant.
What does a Loaded stream charge use as a freezing point
depressant? - Correct Answers ✅alaki metal salt
Extinguisher service pressure - Correct Answers ✅The
normal operating pressure indicated on the nameplate or
cylinder of a fire extinguisher
Factory test pressure - Correct Answers ✅The pressure
shown on the nameplate at which a shell was tested at time
of manufacture.
Pressurized flammable liquid fires result from liquids that are
_______, ______, or ________ - Correct Answers ✅Forced
pumped or sprayed
Servicing - Correct Answers ✅performing maintenance,
recharging, or hydrostatic testing on a fire extinguisher
What does a wetting agent do when added to water? -
Correct Answers ✅reduces the surface tension and
increases its ability to penetrate and spread
