FT 2022 Bonus 1 Flashcards
(40 cards)
Regarding Natural Gas properties, it is correct to state that?
Select one:
a. Depending on the mixture, its explosive range is 5% to 25%
b. It is significantly heavier than air
c. When natural gas ignites, it undergoes a rapid increase in volume
d. When unconfined or outdoors, natural gas will burn rapidly with an explosive pressure
C
(Nat Gas–Section 3) (explosive range is 5% to 15%, It is Heavier than air, burn rapidly without an explosive pressure)
The correct answer is: When natural gas ignites, it undergoes a rapid increase in volume
A Con Edison gas main valve will have an ID number?
Select one:
a. Stamped on the north side of the collar
b. Stamped on the south side of the collar
c. On a tag, inside of the valve cover
d. On a tag, outside of the valve cover
C
(Nat Gas—Pg 8)
The correct answer is: On a tag, inside of the valve cover
An “NC” stamped on a tag near a service meter indicates there is no? Select one: a. Excess flow valve b. Main valve c. Interior gas riser valve d. Curb valve or service valve
D
(Nat Gas–Pg 9)
The correct answer is: Curb valve or service valve
Regarding Peck Vents, it is correct to state they?
Select one:
a. Are installed on systems supplied by low, medium or high pressure
b. Vent excess gas to the exterior if the service regulator fails
c. May have a blue cap
d. Normally have an odor of natural gas
B
(Nat Gas—Pg 11) only Medium or high pressure, May have a Red Cap, Normally have no odor of gas
The correct answer is: Vent excess gas to the exterior if the service regulator fails
Which one of the following is indicative of a Major Gas Emergency?
Select one:
a. 5% of the LEL detected outside a building
b. 10% of the LEL detected in an unvented sewer
c. 15% of the LEL found in an unvented manhole
d. Gas leaking and present inside of a wall or void
D
(Nat Gas—Pg 15) (10% detected outside a building, 20% detected in an unvented sewer, 20% found in an unvented manhole)
The correct answer is: Gas leaking and present inside of a wall or void
Regarding the use of gas detectors and meters, it is incorrect to state that?
Select one:
a. Natural gas detectors and meters require warm up times in fresh air
b. The Natural Gas Detector is the superior tool for locating leaks in appliances (stoves)
c. The Natural Gas Meter is the superior tool for identifying where it is no longer safe to operate
d. Officers should report to the IC readings found at a location low and at the entrance to a room with the suspected leak
D
(Nat Gas 6.4) (High and in the middle of the room)
The correct answer is: Officers should report to the IC readings found at a location low and at the entrance to a room with the suspected leak
The first priority at a natural gas emergency is to?
Select one:
a. Locate the gas leak.
b. Mitigate the gas leak.
c. Ensure the incident is not a major gas emergency
d. Ventilate the affected area
C
(Natural Gas—6.5)
The correct answer is: Ensure the incident is not a major gas emergency
When investigating a gas emergency, it would be correct to state that?
Select one:
a. Most investigations warrant the use of all available gas detectors / meters on scene
b. The 1st ladder inside team should proceed directly to the basement / cellar any time any levels are displayed on the Natural Gas Detector
c. The Ladder Outside Team should proceed to the fire escape of the affected apartment
d. Engines arriving prior to Ladder Companies should activate their natural gas meter prior to entering the building
D
(Nat Gas—Pg 20) All investigations warrant, are Displayed on the METER, proceed to the Gas utility meter room
The correct answer is: Engines arriving prior to Ladder Companies should activate their natural gas meter prior to entering the building
A leak or break in gas piping may be stopped or greatly diminished by taping, or stuffing putty, rags into the break when the gas piping contains natural gas that is? Select one: a. Low pressure b. Low or medium pressure c. Medium or high pressure d. Low, medium or high pressure
A
(Nat Gas—6.7.3)
The correct answer is: Low pressure
Regarding the closing of gas valves, it is incorrect to state?
Select one:
a. Most natural gas appliance shutoffs are of the ¼ turn variety
b. When the key operating nut is parallel to the piping, it indicates it is in the closed position
c. One-Quarter turn interior gas riser valves are sometimes found in a cellar / basement near the ceiling area
d. In a basement / cellar, a building service valve may be found just inside of the building where natural gas enters the building and will usually be a ¼ turn valve
B
(Nat Gas Pg 22-23) —(OPEN position)
The correct answer is: When the key operating nut is parallel to the piping, it indicates it is in the closed position
The last resort for the FDNY at a Natural Gas emergency is to close the? Select one: a. Master Meter b. Head of Service Valve c. Curb Valve d. Main Valve
C The last resort for the FDNY at a Natural Gas emergency is to close the? Select one: a. Master Meter b. Head of Service Valve c. Curb Valve d. Main Valve
Plastic valves that contain Natural Gas are color coded? Select one: a. Yellow b. White c. Salmon d. Grey
B
(Nat Gas Pg 24)
The correct answer is: White
If an incident is determined to be a major gas emergency, the first arriving Officer should transmit what signals? Select one: a. 10-75 and a 10-80 b. 10-75 and a 10-80 Code 1 c. 10-75 and a 10-86 d. Second alarm and a 10-80 Code 1
B
(Nat Gas Pg 28)
The correct answer is: 10-75 and a 10-80 Code 1
For an inside gas leak where the indoor gas leak has been found, you may continue to operate if by venting gas levels can be kept at less than? Select one: a. 10% of the LEL b. 20% of the LEL c. 50% of the LEL d. 80% of the LEL
D
(Nat Gas–Pg 32)
The correct answer is: 80% of the LEL
When operating at an inside gas leak, treat the affected area as a “Potential Blast Zone” if at any time, gas levels reach? Select one: a. 10% of the LEL or higher b. 20% of the LEL or higher c. 50% of the LEL or higher d. 80% of the LEL or higher
D
(Nat Gas–Pg 32)
The correct answer is: 80% of the LEL or higher
Members are operating inside of a Private Dwelling where they have a natural gas leak that has NOT been found. While operating, they determine they cannot locate the leak and there are indications that the leak is coming from an outside, subsurface source. In this case, they should treat the affected area as a “Potential Blast Zone” if when venting, levels cannot be limited to less than? Select one: a. 10% of the LEL b. 20% of the LEL c. 50% of the LEL d. 80% of the LEL
A
(Nat Gas–Pg 32)
The correct answer is: 10% of the LEL
At a major gas emergency, it would be correct to consider which tactic below?
Select one:
a. Only ladder apparatus may be located within the potential blast zone
b. You may enter a potential blast zone to move an apparatus
c. The potential blast zone shall only be entered for direct, life-saving purposes
d. Removing ignition sources and venting are optional tactics in the potential blast zone
C
(Nat Gas Pg 33) No apparatus in the blast zone., You may not enter a blast zone to move an apparatus, Removing ignition sources and venting are not options in a blast zone
The correct answer is: The potential blast zone shall only be entered for direct, life-saving purposes
(Nat Gas Pg 33) No apparatus in the blast zone., You may not enter a blast zone to move an apparatus, Removing ignition sources and venting are not options in a blast zone
The correct answer is: The potential blast zone shall only be entered for direct, life-saving purposes
A
(Nat Gas–Pg 34) (FDNY flashlight)
The correct answer is: FDNY — Thermal Imaging Camera
When performing rapid evacuation in an explosive environment, members would be correct to?
Select one:
a. Knock on doors to alert occupants to self-evacuate
b. Force entry for only suspected life hazards
c. If forcing entry—use conventional forcible entry when forcing a door
d. Advise occupants to use elevators instead of stairs
A
(Nat Gas Pg 34-35) “Known” life hazards, If forcing entry - use the hydra ram or the adz end of the halligan to gap and force the door, Advise occupants to Use the stairs
The correct answer is: Knock on doors to alert occupants to self-evacuate
Regarding water supply and line placement at major gas emergencies it would be correct to state that?
Select one:
a. Fog streams should be used to dissipate natural gas venting outside of a structure.
b. Straight streams should be used to dissipate natural gas venting outside of a structure.
c. For defensive positions, stretch and use 1 3/4” hose
d. For defensive positions, consider setting up large caliber streams?
D
(Nat Gas Pg 35) Do NOT dissipate natural gas venting outside of a structure., Stretch and use 2 ½” hose
The correct answer is: For defensive positions, consider setting up large caliber streams?
The opportunity to cut power has expired when any readings display levels of \_\_\_\_\_ per cent LEL or greater? Select one: a. 10 b. 50 c. 60 d. 80
D
(Nat Gas Pg 36)
The correct answer is: 80
Sewer manhole covers may be removed by FDNY personnel at a Natural Gas emergency with the approval of?
Select one:
a. A Company Officer
b. A Gas Utility Supervisor and an on-scene Battalion Chief
c. An on-scene DEP Supervisor
d. An on-scene FDNY Chief Officer
D
(Nat Gas—Pg 37)
The correct answer is: An on-scene FDNY Chief Officer
Which of the following Engine Companies would be out of service as a CFR-D Unit at 0900?
Select one:
a. Only two firefighters are found CFR-D certified at roll call
b. Only one firefighter and the officer are found CFR-D certified at roll call
c. Only the Officer and ECC are found CFR-D certified at roll call
d. Only one member is found CFR-D certified at roll call
D
(CFR 2—1.7, 1.8)
The correct answer is: Only one member is found CFR-D certified at roll call
At 1105 hours, Captain Hannity determines that only the nozzle FF in E99 is CFR-D certified as they have just come back from a job. At this time, only the officer (non-certified), the ECC (non-certified) and the Nozzle FF (certified CFR-D) are on duty. As they are back in service, but awaiting details from other units. In this situation, Captain Hannity should know that?
Select one:
a. The Engine is completely out of service for all CFR-D calls
b. The Engine may still be dispatched for medical calls received directly from the public to assist civilians.
B
(CFR 2—1.8.1A)
The correct answer is: The Engine may still be dispatched for medical calls received directly from the public to assist civilians.