AU 61- Chapter 5
Fire differs from other forms of oxidation in which one of the following ways?
Select one:
A. It can sustain itself without oxygen.
B. It requires a fuel source.
C. The speed at which the chemical reaction occurs is different.
D. It releases energy in the form of heat. - answerC. The speed at which the chemical
reaction occurs is different.
Extreme friction provides which one of the following basic components of fire?
Select one:
A. Fuel
B. Oxygen
C. Uninterrupted chain reaction
D. Heat - answerD. Heat
The fire tetrahedron model illustrates that if any of the four components of fire were
removed, the fire would do which one of the following?
Select one:
A. Spread
B. Ignite
C. Extinguish
D. Create another chemical reaction - answerC. Extinguish
Which one of the following statements concerning fire is correct?
Select one:
A. The temperature required for combustion decreases as atmospheric pressure
increases.
B. The difference between fire and other forms of oxidation is that only fire releases
heat.
C. Fire is a chemical reaction of oxygen and heat.
D. The rate of heat release remains constant during a fire. - answerA. The temperature
required for combustion decreases as atmospheric pressure increases.
An effective means for controlling the hazard presented by moving machinery parts
overheating and igniting combustible material is
Select one:
A. To lower the humidity level in the room containing the machinery.
B. Routine immobilization of the machinery.
C. Proper maintenance and lubrication of the machinery.
D. To ensure the availability of water to suppress a resulting class B fire. - answerC.
Proper maintenance and lubrication of the machinery.
, The primary means of protecting against excessive heat in systems distributing electric
current include all of the following, EXCEPT:
Select one:
A. Using an appropriate breaker or fuse for the wire size
B. Containing the heat with insulation
C. Running wires in ample sized insulated conduits
D. Isolating distribution equipment from combustibles - answerC. Running wires in
ample sized insulated conduits
The United States Fire Administration (USFA) cites which one of the following as the
leading cause of accidental, nonresidential fires in recent years?
Select one:
A. Smoking
B. Kerosene heaters
C. Lightning
D. Cooking - answerD. Cooking
Which one of the following would be considered by an underwriter to increase the
likelihood of fire?
Select one:
A. The insured uses low profile portable heaters in its warehouse operations.
B. The insured uses wood-burning heating equipment and has it cleaned periodically by
qualified professionals.
C. The insured's inexperienced maintenance staff performs the annual maintenance
work on the heating equipment.
D. The insured uses forced air heating units with insulated ducts. - answerC. The
insured's inexperienced maintenance staff performs the annual maintenance work on
the heating equipment.
Materials that burn at typical fire-condition temperatures, but do not ignite readily are
known as which one of the following?
Select one:
A. Noncombustible materials
B. Flammable materials
C. Hazardous materials
D. Combustible materials - answerD. Combustible materials
Which one of the following statements is true regarding the flash point of liquids?
Select one:
A. Gasoline has a higher flash point than Number 2 fuel oil.
B. The lower the flash point, the more hazardous the liquid.
C. Liquids with a flash point above 100 degrees Fahrenheit are Class 1, flammable
liquids.
Fire differs from other forms of oxidation in which one of the following ways?
Select one:
A. It can sustain itself without oxygen.
B. It requires a fuel source.
C. The speed at which the chemical reaction occurs is different.
D. It releases energy in the form of heat. - answerC. The speed at which the chemical
reaction occurs is different.
Extreme friction provides which one of the following basic components of fire?
Select one:
A. Fuel
B. Oxygen
C. Uninterrupted chain reaction
D. Heat - answerD. Heat
The fire tetrahedron model illustrates that if any of the four components of fire were
removed, the fire would do which one of the following?
Select one:
A. Spread
B. Ignite
C. Extinguish
D. Create another chemical reaction - answerC. Extinguish
Which one of the following statements concerning fire is correct?
Select one:
A. The temperature required for combustion decreases as atmospheric pressure
increases.
B. The difference between fire and other forms of oxidation is that only fire releases
heat.
C. Fire is a chemical reaction of oxygen and heat.
D. The rate of heat release remains constant during a fire. - answerA. The temperature
required for combustion decreases as atmospheric pressure increases.
An effective means for controlling the hazard presented by moving machinery parts
overheating and igniting combustible material is
Select one:
A. To lower the humidity level in the room containing the machinery.
B. Routine immobilization of the machinery.
C. Proper maintenance and lubrication of the machinery.
D. To ensure the availability of water to suppress a resulting class B fire. - answerC.
Proper maintenance and lubrication of the machinery.
, The primary means of protecting against excessive heat in systems distributing electric
current include all of the following, EXCEPT:
Select one:
A. Using an appropriate breaker or fuse for the wire size
B. Containing the heat with insulation
C. Running wires in ample sized insulated conduits
D. Isolating distribution equipment from combustibles - answerC. Running wires in
ample sized insulated conduits
The United States Fire Administration (USFA) cites which one of the following as the
leading cause of accidental, nonresidential fires in recent years?
Select one:
A. Smoking
B. Kerosene heaters
C. Lightning
D. Cooking - answerD. Cooking
Which one of the following would be considered by an underwriter to increase the
likelihood of fire?
Select one:
A. The insured uses low profile portable heaters in its warehouse operations.
B. The insured uses wood-burning heating equipment and has it cleaned periodically by
qualified professionals.
C. The insured's inexperienced maintenance staff performs the annual maintenance
work on the heating equipment.
D. The insured uses forced air heating units with insulated ducts. - answerC. The
insured's inexperienced maintenance staff performs the annual maintenance work on
the heating equipment.
Materials that burn at typical fire-condition temperatures, but do not ignite readily are
known as which one of the following?
Select one:
A. Noncombustible materials
B. Flammable materials
C. Hazardous materials
D. Combustible materials - answerD. Combustible materials
Which one of the following statements is true regarding the flash point of liquids?
Select one:
A. Gasoline has a higher flash point than Number 2 fuel oil.
B. The lower the flash point, the more hazardous the liquid.
C. Liquids with a flash point above 100 degrees Fahrenheit are Class 1, flammable
liquids.
