FT 2022 Bonus 1 Flashcards
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