FT 8/17 Flashcards
Which point concerning salvage operations is incorrectly stated?
Select one:
a. During operations all members are salvage firefighters
b. Salvage operations begin with the initial attack
c. When fire conditions permit in residential buildings, salvage may be performed during the fire attack on floors above the fire. After the fire is under control, salvage operations are carried out in the fire area
d. Proper ventilation and decisions on size and type of stream are parts of salvage operation
C
TB Salvage—1.3, 1.4, 2.1, 2.2) (on floors below)
The correct answer is: When fire conditions permit in residential buildings, salvage may be performed during the fire attack on floors above the fire. After the fire is under control, salvage operations are carried out in the fire area
Which salvage operation performed below was an incorrect action?
Select one:
a. A blanket from the fire apartment was used to cover furniture in that apartment
b. A toilet was broken to drain water in the fire apartment
c. A roof opening was covered with an interior door from the fire apartment, then a plastic cover was applied over the door with available nails
d. An elevator shaft was used to remove water from the public hallway
(TB Salvage—6.5, 6.6)
The correct answer is: An elevator shaft was used to remove water from the public hallway
Which point below concerning the Scott 4.5 Positive Pressure SCBA is not accurately stated?
Select one:
a. SCBA is never to be used underwater
b. Hydrostatic testing of air cylinders should be performed every 3 years
c. All members entering a confined space shall operate with SCBA donned until the space is deemed safe
d. The service life of an air cylinder is 15 years
(TB SCBA—2.2.3, 2.4.1) (Done every 5 years)
The correct answer is: Hydrostatic testing of air cylinders should be performed every 3 years
Spare SCBA cylinders for all units shall be inspected?
Select one:
a. Monthly, on the first day of the month
b. Every tour
c. Weekly on Mondays
d. Daily on the 9 x 6 tour
(TB SCBA—3.2.12)
The correct answer is: Weekly on Mondays
Failure of both the primary and secondary systems of the SCBA in the open position will activate a relief valve in the Pressure Reducer Assembly. This will rapidly discharge all pressure in excess of _____ psi into the atmosphere. When this occurs, the ____________________?
Select one:
a. 185, Cylinder valve should be partially closed
b. 150, Purge valve should be opened fully
c. 150, Cylinder valve should be partially closed
d. 185, Purge valve should be opened fully
The correct answer is: 185, Cylinder valve should be partially closed
Which point concerning the SCBA Regulator Assembly is incorrectly stated?
Select one:
a. If the manual shut-off fails to release for any reason, turn the red purge valve downward 180 degrees to start the flow of air
b. If the regulator fails in the open position (too much air flow in the facepiece), open the purge valve fully and partially close the cylinder valve
c. If the regulator fails in the closed position (no air to the facepiece) turn the purge valve counterclockwise
d. If the manual shut-off switch is not pressed when taking the facepiece off, a full 45-minute cylinder can be depleted in approximately 1 minute
D
(TB SCBA—3.8.2 A, B, 3.8.4 B) (4 minutes)
The correct answer is: If the manual shut-off switch is not pressed when taking the facepiece off, a full 45-minute cylinder can be depleted in approximately 1 minute
Which choice contains an incorrect point about the properties of Liquefied Petroleum Gases? (LPG)
Select one:
a. LP gas is odorless; an odorizing agent is added only when it is processed for domestic consumption.
b. LP gases are lighter than air; 1.5 to 2 times lighter than air.
c. LP gases are non-toxic and non-poisonous, however they are slightly anesthetic. Asphyxiation can occur due to oxygen displacement.
d. In the liquid state, LP gases present a hazard similar to a highly volatile flammable liquid but with more rapid vaporization. One cubic foot of liquid will expand 270 times as a gas.
(HM1–1.2) (LP gases are heavier than air; 1.5 to 2 times heavier than air.)
The correct answer is: LP gases are lighter than air; 1.5 to 2 times lighter than air.
At an LPG tanker fire you should keep everyone, not actually engaged in operations, at least ___________from the front and rear of the tank and __________from the sides.
Select one:
a. 750 feet, 500 feet
b. 1000 feet, 500 feet
c. 1000 feet, 750 feet
d. 500 feet, 1000 feet
(HM 1—1.3.3)
The correct answer is: 1000 feet, 500 feet
Which is an incorrect point about LPG?
Select one:
a. An impact failure of an LPG cylinder in a transportation accident can cause a BLEVE.
b. Water spray is effective in dispersing LP gas vapor and should be used by directing the spray stream across the normal vapor path, dispersing the vapor to a safe location.
c. One cubic foot of LPG as a liquid will expand 270 times as a gas
d. A BLEVE can occur in a matter of minutes, however a satisfactory performance of a relief valve will prevent a BLEVE.
(HM1–1.5.2, 2.4.3, 2.4.4 & HM 2, 2) (A satisfactory performance of a relief valve will NOT prevent a BLEVE)
The correct answer is: A BLEVE can occur in a matter of minutes, however a satisfactory performance of a relief valve will prevent a BLEVE.
The Hazardous Material classification on a DOT placard for LPG is the number _____ and its 4 digit ID number is _____?
Select one:
a. 2, 1075
b. 3, 1075
c. 3, 1971
d. 2, 1971
(HM 1–Figure 17)
The correct answer is: 2, 1075
Which point is incorrect about the properties of Compressed Natural Gas (CNG)?
Select one:
a. The 4 digit Identification number for CNG is 1975
b. CNG cylinders are subject to failure, but not to BLEVE’s.
c. Natural gas is lighter than air (2/3 as heavy) and it will dissipate quickly.
d. Natural gas is flammable and non-toxic. Asphyxiation can occur due to oxygen displacement in an enclosed area.
(HM 1–3.2.1, 3.3) (1971)
The correct answer is: The 4 digit Identification number for CNG is 1975
Which choice contains an incorrect point about the properties of Methanol?
Select one:
a. Methanol vapors are slightly lighter than air and will float above the ground collecting in high areas.
b. Methanol is a highly volatile flammable liquid.
c. Methanol burns cleanly (little smoke) and its pale blue flame may be difficult to see in bright sunlight.
d. Methanol has a flash point of 54 degrees Fahrenheit and is soluble in water.
(HM1–4.3) (Vapors are slightly heavier than air and will flow along the ground collecting in low areas)
The correct answer is: Methanol vapors are slightly lighter than air and will float above the ground collecting in high areas.
Which hazardous material classification on the DOT placard below is correct?
Select one:
a. #3 = Flammable Solids
b. #1 = Compressed Gases
c. #5 = Poisons
d. #7 = Radioactive Material
(HM2—2.1)
The correct answer is: #7 = Radioactive Material
Which is the correct location & terminology regarding shipping papers?
Select one:
a. Ships - The “bill of lading” is kept in the cab within reach of the driver.
b. Truck- The “cargo manifest” is kept by the master or first mate.
c. Aircraft - The “fly bill” is kept by the pilot.
d. Railroad - The “waybill” is carried by the conductor in the caboose or engine.
D
(HM2–4.4) (Ship—Cargo Manifest, Aircraft is Air Bill, Truck—is Bill of Lading)
The correct answer is: Railroad - The “waybill” is carried by the conductor in the caboose or engine.
When using the Emergency Response Guidebook for hazard assessment which one method below is stated is the last resort way to identify a Hazardous Material?
Select one:
a. Match the diamond shaped placard on the tank, vehicle, or railroad car with a placard in the back of the guidebook, and then turn to the guide page number given.
b. By a 4-digit number (preceded by UN or MA) on shipping papers or packages.
c. By the name of the material found on shipping papers or packages.
d. By a black 4-digit identification (ID) number on a placard or orange panel.
(HM 2—5.2)
The correct answer is: Match the diamond shaped placard on the tank, vehicle, or railroad car with a placard in the back of the guidebook, and then turn to the guide page number given.
In general, Department of Transportation regulations require placards to be posted only on trucks that are transporting over _______pounds of the particular material.
Select one:
a. 500
b. 1000
c. 250
d. 750
(HM 2—7)
The correct answer is: 1000
Which precaution below is stated incorrectly when operating at a Hazardous Material incident.
Select one:
a. Do not use water on any substance that is fuming until after proper identification and hazard assessment.
b. Under no circumstances are members to touch, taste, or intentionally smell any substance suspected of being hazardous.
c. Empty containers will always be less hazardous than full ones.
d. In all cases involving derailment of railroad tank cars the hazardous materials unit must be called, even when it appears there is no damage.
C
(HM 2—7) (Empty containers may be MORE hazardous than full ones.)
The correct answer is: Empty containers will always be less hazardous than full ones.
Carbon Monoxide (CO) is a natural by-product of incomplete combustion and is a colorless, odorless, tasteless, irritating, toxic gas, flammable gas. From the choices below what is the incorrect point about Carbon Monoxide.
Select one:
a. Carbon Monoxide has an auto ignition temperature of 1128 degrees Fahrenheit.
b. The Lower Explosive Level (LEL) of Carbon Monoxide is 12.5%
c. The Upper Explosive Level (UEL) of Carbon Monoxide is 54%.
d. Carbon Monoxide has a vapor density which makes it slightly lighter than air (.968)
(HM 4–2.1, 2.2, 2.4, 2.5, 3.2, 3.9) (74%)
The correct answer is: The Upper Explosive Level (UEL) of Carbon Monoxide is 54%.
Carbon Monoxide is considered to represent the most dangerous acute exposure faced by firefighters. Even at low concentrations, CO may impair judgment, visual acuteness and decision making. In which point below should the members correct the officers.
Select one:
a. High Level CO Poisoning- seizure, coma, permanent brain damage, death.
b. Low Level CO Poisoning can mimic flu symptoms, headache (mild/severe), fatigue, nausea, dizziness, confusion, irritability.
c. Medium Level CO Poisoning- vomiting, drowsiness, loss of consciousness.
d. To reverse the buildup of carboxyhemoglobin (COHb) in the body, over 100 parts of oxygen are required to replace one part of CO.
(TB SCBA ADD 3 Pg 6, HM 4–3.11, 3.12) (200 parts)
The correct answer is: To reverse the buildup of carboxyhemoglobin (COHb) in the body, over 100 parts of oxygen are required to replace one part of CO.
An Engine and ladder respond to a Carbon Monoxide detector activation in an old law tenement in apartment 3B on the 3rd floor. Which action taken by these units should be corrected.
Select one:
a. Once the Carbon Monoxide levels dropped to 9PPM the Ladder officer told the occupants they could return to their apartment
b. The Ladder Company took initial readings with their Carbon Monoxide detector in the kitchen of apartment 3B at a location high and in the middle of the room.
c. After the ladder company shut down the defective stove the Captain of the Engine as the IC requested the utility company to respond.
d. The Officer of the ladder company, after determining that readings of 150 PPM were caused by a defective stove ordered the occupants of the apartment to leave the apartment
(HM 4–4.1.3, 4.1.5, 4.5) (Take initial readings at the front door)
The correct answer is: The Ladder Company took initial readings with their Carbon Monoxide detector in the kitchen of apartment 3B at a location high and in the middle of the room.