FF2 EXAM WITH VERIFIED QUESTIONS AND
ANSWERS|| ALREADY GRADED A+
Which of the following is a characteristic of nozzles designed to operate at
pressures less than 100 psi (700 kPa)?
A.Have more nozzle reaction
B.Produce droplets of smaller size
C.Produce lower-density fog patterns
D.Produce fire streams with greater velocity - ANSWER-C.Produce lower-
density fog patterns
Which action of fire fighting foam creates a barrier between the fuel and the
fire?
A.Cooling
B.Aerating
C.Separating
D.Penetrating - ANSWER-C.Separating
Foam lowers surface tension of water, allowing it to ___ fires in Class A
materials.
A.cool
B.smother
C.suppress
D.penetrate - ANSWER-D.penetrate
Class A foam extinguishes and/or prevents ignition by:
,A.allowing water to penetrate fuels.
B.creating a barrier between the fuel and the fire.
C.preventing air from reaching the fuel or mixing with vapors.
D.lowering the temperature of the fuel and adjacent surfaces. - ANSWER-
A.allowing water to penetrate fuels.
Which of the following is an ignitable liquid?
A. Milk
B. Urine
C. Water
D. Alcohol - ANSWER-D. Alcohol
Which of the following statements about fixed temperature heat detectors is
MOST accurate?
A. Fixed temperature heat detectors are most prone to false activations.
B. Fixed temperature heat detectors should be installed at eye level or below.
C. Fixed temperature heat detectors use photoelectric cells to initiate an alarm
signal.
D. Fixed temperature heat detectors can be the slowest to activate, depending on
installation location. - ANSWER-D. Fixed temperature heat detectors can be the
slowest to activate, depending on installation location.
Fixed-temperature heat detectors are activated by expansion of heated material,
changes in resistance of heated material, and:
A. initiation of water flow.
B. melting of heated material.
C. refraction/diffusion of light.
D. ionization of radioactive material. - ANSWER-B. melting of heated material.
,A frangible bulb heat detector is activated when:
A. a beam of light is reflected onto a photoelectric cell to complete a circuit.
B. ionized molecules make air less conductive, causing a decrease in current.
C. a chemical pellet melts, releasing a pressurized plunger to complete a circuit.
D. a small glass vial breaks when heated, allowing electrical contacts to
complete a circuit. - ANSWER-D. a small glass vial breaks when heated,
allowing electrical contacts to complete a circuit.
The sprinkler system feed main is:
A. the direct service to a number of branch lines.
B. the pipe connecting the riser to the cross mains.
C. vertical piping to which other components are attached.
D. the piping that connects a spray nozzle to the cross mains. - ANSWER-B. the
pipe connecting the riser to the cross mains.
What aspect of fire development is a result of an increase in low-level
ventilation prior to upper level ventilation?
A.Rollover
B.Backdraft
C.Combustion
D.Smoke explosion - ANSWER-B. Backdraft
Which of the following is a heat indicator for a possible backdraft?
A.Smoke stained windows
B.Turbulent smoke discharge
C.Fire confined to a void space
D.Contents with high heat release rate - ANSWER-A. smoke stained windows
, Which of the following BEST describes a design limitation of structural fire
fighting personal protective equipment (PPE)?
A. Keeps coat sleeves from riding up
B. Provides protection from hot water
C. Prevents heat transfer away from body
D. Covers all portions of skin when moving - ANSWER-C. prevents heat
transfer away from the body
Which of the following types of special protective clothing requires a personal
flotation device?
A. Ice rescue
B. Technical rescue
C. Proximity fire fighting
D. Hazardous materials - ANSWER-A. Ice rescue
Which of the following BEST describes the frequency with which personal
protective equipment (PPE) should be inspected?
A. As dictated by manufacturers
B. As a firefighter feels there is need
C. When there is down time at the fire station
D. At the beginning of shift and after every use - ANSWER-D. At the beginning
of each shift and after every use
Which of the following BEST describes when SARs are used?
A. For assessing industrial accidents
B. For emergency medical incidents
C. For working with particulate-producing tools
D. For confined space rescues and technical rescue incidents - ANSWER-D.
For confined space rescues and technical rescue incidents
ANSWERS|| ALREADY GRADED A+
Which of the following is a characteristic of nozzles designed to operate at
pressures less than 100 psi (700 kPa)?
A.Have more nozzle reaction
B.Produce droplets of smaller size
C.Produce lower-density fog patterns
D.Produce fire streams with greater velocity - ANSWER-C.Produce lower-
density fog patterns
Which action of fire fighting foam creates a barrier between the fuel and the
fire?
A.Cooling
B.Aerating
C.Separating
D.Penetrating - ANSWER-C.Separating
Foam lowers surface tension of water, allowing it to ___ fires in Class A
materials.
A.cool
B.smother
C.suppress
D.penetrate - ANSWER-D.penetrate
Class A foam extinguishes and/or prevents ignition by:
,A.allowing water to penetrate fuels.
B.creating a barrier between the fuel and the fire.
C.preventing air from reaching the fuel or mixing with vapors.
D.lowering the temperature of the fuel and adjacent surfaces. - ANSWER-
A.allowing water to penetrate fuels.
Which of the following is an ignitable liquid?
A. Milk
B. Urine
C. Water
D. Alcohol - ANSWER-D. Alcohol
Which of the following statements about fixed temperature heat detectors is
MOST accurate?
A. Fixed temperature heat detectors are most prone to false activations.
B. Fixed temperature heat detectors should be installed at eye level or below.
C. Fixed temperature heat detectors use photoelectric cells to initiate an alarm
signal.
D. Fixed temperature heat detectors can be the slowest to activate, depending on
installation location. - ANSWER-D. Fixed temperature heat detectors can be the
slowest to activate, depending on installation location.
Fixed-temperature heat detectors are activated by expansion of heated material,
changes in resistance of heated material, and:
A. initiation of water flow.
B. melting of heated material.
C. refraction/diffusion of light.
D. ionization of radioactive material. - ANSWER-B. melting of heated material.
,A frangible bulb heat detector is activated when:
A. a beam of light is reflected onto a photoelectric cell to complete a circuit.
B. ionized molecules make air less conductive, causing a decrease in current.
C. a chemical pellet melts, releasing a pressurized plunger to complete a circuit.
D. a small glass vial breaks when heated, allowing electrical contacts to
complete a circuit. - ANSWER-D. a small glass vial breaks when heated,
allowing electrical contacts to complete a circuit.
The sprinkler system feed main is:
A. the direct service to a number of branch lines.
B. the pipe connecting the riser to the cross mains.
C. vertical piping to which other components are attached.
D. the piping that connects a spray nozzle to the cross mains. - ANSWER-B. the
pipe connecting the riser to the cross mains.
What aspect of fire development is a result of an increase in low-level
ventilation prior to upper level ventilation?
A.Rollover
B.Backdraft
C.Combustion
D.Smoke explosion - ANSWER-B. Backdraft
Which of the following is a heat indicator for a possible backdraft?
A.Smoke stained windows
B.Turbulent smoke discharge
C.Fire confined to a void space
D.Contents with high heat release rate - ANSWER-A. smoke stained windows
, Which of the following BEST describes a design limitation of structural fire
fighting personal protective equipment (PPE)?
A. Keeps coat sleeves from riding up
B. Provides protection from hot water
C. Prevents heat transfer away from body
D. Covers all portions of skin when moving - ANSWER-C. prevents heat
transfer away from the body
Which of the following types of special protective clothing requires a personal
flotation device?
A. Ice rescue
B. Technical rescue
C. Proximity fire fighting
D. Hazardous materials - ANSWER-A. Ice rescue
Which of the following BEST describes the frequency with which personal
protective equipment (PPE) should be inspected?
A. As dictated by manufacturers
B. As a firefighter feels there is need
C. When there is down time at the fire station
D. At the beginning of shift and after every use - ANSWER-D. At the beginning
of each shift and after every use
Which of the following BEST describes when SARs are used?
A. For assessing industrial accidents
B. For emergency medical incidents
C. For working with particulate-producing tools
D. For confined space rescues and technical rescue incidents - ANSWER-D.
For confined space rescues and technical rescue incidents
