TCFP COMPREHENSIVE EXAM UPDATED QUESTIONS AND
ANSWERS SURE A+
✔✔the stages/phases of fire development are
a. initial, growth, developed, and decline
b. incipient/ignition, growth, fully developed, and decay
c. origin, intermediate, growth, and decline
d. spontaneous, incipient, growth/development, and decay - ✔✔b. incipient/ignition,
growth, fully developed, and decay
✔✔the movement of heat through a steel beam to an unexposed part of a building
where it can start another fire is an example of
a. conduction
b. radiation
c. convection
d. direct-flame contact - ✔✔a. conduction
✔✔Besides the growth stage, in what other stage is the fire fuel controlled
a. incipent/ignition stage
b. fully developed stage
c. decay - ✔✔c. decay
✔✔the amount of heat energy released per unit of time as a given fuel burns is called
a. ignition rate
b. heat release rate
c. heat energy rate
d. rate of combustion - ✔✔b. heat release rate
✔✔Pyrolysis is defined as
a. a physical reaction that produces heat
b. the concentration level of a substance at which it will support ignition and continuous
burning
c. a state where a balance has occurred in a mixture
d. decomposition or transformation of a compound caused by heat. - ✔✔d.
decomposition or transformation of a compound caused by heat.
✔✔The temperature at which a liquid fuel produces sufficient vapors to support
combustion is the
a. fire point
,b. flash point
c. ignition point
d. vapor density - ✔✔a. fire point
✔✔the ratio of the mass of a given volume of a liquid compared with the mass of an
equal volume of water at the same temperature is
a. specific gravity
b. vapor density
c. flash point
d. surface to mass ratio - ✔✔a. specific gravity
✔✔Rollover occurs when
a. there is spontaneous ignition of combustible gases
b. everything in a confined area ignites at almost the same time
c. unburned smoke is heated in the absence of O2
d. pressurized smoke rises to the ceiling and then begins to rapidly bank down - ✔✔a.
there is spontaneous ignition of combustible gases
✔✔Backdraft is ....
A. a boiling liquid/expanding vapor explosion
b. a layer of air that has the same temperature
c. the rapid ignition of smoke/unburned gases
d. sudden ignition of all of the combustible objects within a compartment - ✔✔c. the
rapid ignition of smoke/unburned gases
✔✔A British Thermal Unit (BTU) is
a. the amount of heat required to raise one pound of water one degree Fahrenheit
b. a substance or an agent that causes two or more objects or parts to bind
c. decomposition or transformation of a compound caused by light
the concentration level of a substance at which it will burn - ✔✔a. the amount of heat
required to raise one pound of water one degree Fahrenheit
✔✔There are two types of ignition
a. exothermic and endothermic
b. piloted ignition and autoignition
c. pryolysis and spontaneous
d, internal and external - ✔✔b. piloted ignition and autoignition
✔✔Autoignition temperature is
,a. the term used to denote a place where heat is drained away from a source
b. the temperature at which a material sustains combustion
a catalyst in the breakdown of molecules
d. a chemical reaction that absorbs heat - ✔✔b. the temperature at which a material
sustains combustion
✔✔Which material is a poor conductor of heat ?
a. wood
b. steel
c. aluminum
d. copper - ✔✔a. wood
✔✔Which has the wider flammable range
a. propane
b. Methane
c. Diesel
d. carbon monoxide - ✔✔d. carbon monoxide
✔✔In which physical state is a material easiest to ignite ?
a. gas
b. liquid
c, solid
d. neutrons - ✔✔a. gas
✔✔the minimum temp at which combustion can be initiated under specific conditions is
called
a. heat rise
b. fire point
c. ignition temp
d. heat release rate. - ✔✔c. ignition temp
✔✔The mass of an object and its surface area influence heat absorption in what way ?
a. the larger the mass-to-surface ration, the faster heat is absorbed
b. the larger the surface-to-mass ratio, the slower heat is absorbed
c. the larger the mass, the slower the heat is absorbed.
d. The larger the surface-to-mass ratio, the easier it is for heat to be absorbed - ✔✔d.
The larger the surface-to-mass ratio, the easier it is for heat to be absorbed
✔✔Flash point is the minimum temp at which an ignitable liquid will?
, a. start to vaporize an ignitable gas
b. give off a sufficient vapor to form an ignitable mixture with air
c. sustain a continual flame from vaporization
d. give off sufficient vapors to sustain flames - ✔✔b. give off a sufficient vapor to form
an ignitable mixture with air
✔✔Vapor density is used to describe the density of a
a. mist
b. gas
c. liquid
d. solid - ✔✔c. liquid
✔✔What are the four commonly accepted types of energy
a. mechanical, electrical, nuclear, and solar
b. Fusion, decomposition, flame, and friction
c. Mechanical, electrical, nuclear, and chemical
d. Chemical, mechanical, nuclear, and spontaneous - ✔✔c. Mechanical, electrical,
nuclear, and chemical
✔✔Convection is the transfer of heat by
a. direct contact
b. light waves through air
c. Gas, such as liquids, air, or flames
d. solid media, such as steel, copper, and direct flame - ✔✔c. Gas, such as liquids, air,
or flames
✔✔Which is a warning signal of possible backdraft conditions
a. smoke stained windows
b. smoke observed pouring out a burned-through opening in the roof
c. front door unaccountably wide open
d. upper windows observed to be open or shattered - ✔✔a. smoke stained windows
✔✔The chemical reaction between two or more materials that changes the materials
and produces heat, flames, and toxic smoke
a. endothermic heat reaction
b. exothermic heat reaction
c. pyrolysis
d. chemical free radicals - ✔✔b. exothermic heat reaction
ANSWERS SURE A+
✔✔the stages/phases of fire development are
a. initial, growth, developed, and decline
b. incipient/ignition, growth, fully developed, and decay
c. origin, intermediate, growth, and decline
d. spontaneous, incipient, growth/development, and decay - ✔✔b. incipient/ignition,
growth, fully developed, and decay
✔✔the movement of heat through a steel beam to an unexposed part of a building
where it can start another fire is an example of
a. conduction
b. radiation
c. convection
d. direct-flame contact - ✔✔a. conduction
✔✔Besides the growth stage, in what other stage is the fire fuel controlled
a. incipent/ignition stage
b. fully developed stage
c. decay - ✔✔c. decay
✔✔the amount of heat energy released per unit of time as a given fuel burns is called
a. ignition rate
b. heat release rate
c. heat energy rate
d. rate of combustion - ✔✔b. heat release rate
✔✔Pyrolysis is defined as
a. a physical reaction that produces heat
b. the concentration level of a substance at which it will support ignition and continuous
burning
c. a state where a balance has occurred in a mixture
d. decomposition or transformation of a compound caused by heat. - ✔✔d.
decomposition or transformation of a compound caused by heat.
✔✔The temperature at which a liquid fuel produces sufficient vapors to support
combustion is the
a. fire point
,b. flash point
c. ignition point
d. vapor density - ✔✔a. fire point
✔✔the ratio of the mass of a given volume of a liquid compared with the mass of an
equal volume of water at the same temperature is
a. specific gravity
b. vapor density
c. flash point
d. surface to mass ratio - ✔✔a. specific gravity
✔✔Rollover occurs when
a. there is spontaneous ignition of combustible gases
b. everything in a confined area ignites at almost the same time
c. unburned smoke is heated in the absence of O2
d. pressurized smoke rises to the ceiling and then begins to rapidly bank down - ✔✔a.
there is spontaneous ignition of combustible gases
✔✔Backdraft is ....
A. a boiling liquid/expanding vapor explosion
b. a layer of air that has the same temperature
c. the rapid ignition of smoke/unburned gases
d. sudden ignition of all of the combustible objects within a compartment - ✔✔c. the
rapid ignition of smoke/unburned gases
✔✔A British Thermal Unit (BTU) is
a. the amount of heat required to raise one pound of water one degree Fahrenheit
b. a substance or an agent that causes two or more objects or parts to bind
c. decomposition or transformation of a compound caused by light
the concentration level of a substance at which it will burn - ✔✔a. the amount of heat
required to raise one pound of water one degree Fahrenheit
✔✔There are two types of ignition
a. exothermic and endothermic
b. piloted ignition and autoignition
c. pryolysis and spontaneous
d, internal and external - ✔✔b. piloted ignition and autoignition
✔✔Autoignition temperature is
,a. the term used to denote a place where heat is drained away from a source
b. the temperature at which a material sustains combustion
a catalyst in the breakdown of molecules
d. a chemical reaction that absorbs heat - ✔✔b. the temperature at which a material
sustains combustion
✔✔Which material is a poor conductor of heat ?
a. wood
b. steel
c. aluminum
d. copper - ✔✔a. wood
✔✔Which has the wider flammable range
a. propane
b. Methane
c. Diesel
d. carbon monoxide - ✔✔d. carbon monoxide
✔✔In which physical state is a material easiest to ignite ?
a. gas
b. liquid
c, solid
d. neutrons - ✔✔a. gas
✔✔the minimum temp at which combustion can be initiated under specific conditions is
called
a. heat rise
b. fire point
c. ignition temp
d. heat release rate. - ✔✔c. ignition temp
✔✔The mass of an object and its surface area influence heat absorption in what way ?
a. the larger the mass-to-surface ration, the faster heat is absorbed
b. the larger the surface-to-mass ratio, the slower heat is absorbed
c. the larger the mass, the slower the heat is absorbed.
d. The larger the surface-to-mass ratio, the easier it is for heat to be absorbed - ✔✔d.
The larger the surface-to-mass ratio, the easier it is for heat to be absorbed
✔✔Flash point is the minimum temp at which an ignitable liquid will?
, a. start to vaporize an ignitable gas
b. give off a sufficient vapor to form an ignitable mixture with air
c. sustain a continual flame from vaporization
d. give off sufficient vapors to sustain flames - ✔✔b. give off a sufficient vapor to form
an ignitable mixture with air
✔✔Vapor density is used to describe the density of a
a. mist
b. gas
c. liquid
d. solid - ✔✔c. liquid
✔✔What are the four commonly accepted types of energy
a. mechanical, electrical, nuclear, and solar
b. Fusion, decomposition, flame, and friction
c. Mechanical, electrical, nuclear, and chemical
d. Chemical, mechanical, nuclear, and spontaneous - ✔✔c. Mechanical, electrical,
nuclear, and chemical
✔✔Convection is the transfer of heat by
a. direct contact
b. light waves through air
c. Gas, such as liquids, air, or flames
d. solid media, such as steel, copper, and direct flame - ✔✔c. Gas, such as liquids, air,
or flames
✔✔Which is a warning signal of possible backdraft conditions
a. smoke stained windows
b. smoke observed pouring out a burned-through opening in the roof
c. front door unaccountably wide open
d. upper windows observed to be open or shattered - ✔✔a. smoke stained windows
✔✔The chemical reaction between two or more materials that changes the materials
and produces heat, flames, and toxic smoke
a. endothermic heat reaction
b. exothermic heat reaction
c. pyrolysis
d. chemical free radicals - ✔✔b. exothermic heat reaction
