Gas Emergency Procedures Flashcards
When the first fire unit arrives at a scene of a suspected outside LPG or natural gas leak, what is the primary action they should take?
A) Evacuate the area immediately without further assessment.
B) Use a portable extinguisher to control any minor fires.
C) Locate the leak while equipped with full bunker gear and a breathing apparatus.
D) Begin firefighting operations directly at the suspected source of the leak.
Correct Answer: C
Upon discovering a gas leak, what should the officer-in-charge immediately notify the servicing gas company about?
A) The type of firefighting equipment available on site.
B) The address, exact nature of the emergency and detailed information to ensure proper response.
C) The names of all fire personnel on the scene.
D) The expected time to control the incident.
B) The exact nature of the emergency and detailed information to ensure proper response;
A. Address
B. Nature of emergency (fire, explosion, leak, vehicle, plant, tank, commercial or residential, all information possible. The more information the better to assure correct dispatch of properly equipped emergency gas crews)
C. Location of incident command post (safe distance upwind)
D. Directions for all responding emergency units, including gas company, to come into area E. Name of Fire Officer-in-Charge of scene
What is the minimum evacuation distance required from the site of a gas leak?
A) 100 feet in all directions
B) 200 feet in all directions
C) 300 feet in all directions
D) As determined by the onsite fire officer
Correct Answer: B
If a gas leak incident results in injury, death, or property damage over $1,000.00, which organization must be notified?
A) Local health department
B) State environmental protection agency
C) Department of Agriculture and Consumer Services, Bureau of Liquefied Petroleum Gas Inspection
D) Federal Emergency Management Agency (FEMA)
Correct Answer: C
If service area is deemed hazardous, what should be the fire service’s approach to managing the gas leak?
A) Shut off gas at the main control valve for the city block.
B) Let the gas burn until the gas company can shut off the supply.
C) Shut off gas at the meter or main control valve to the affected building only.
D) Use water sprays to disperse the gas concentration.
Correct Answer: C
How should closed gas control valves be handled after shutting off in an emergency?
A) Leave unmarked until the gas company checks them.
B) Be locked and tagged appropriately.
C) Be reopened immediately after verification of leak control.
D) Only fire personnel should operate and manage these valves.
Correct Answer: B
When a gas leak is actively burning, what is the protocol regarding extinguishing the flame?
A) Extinguish immediately to prevent spread.
B) Allow to burn until gas supply is shut off.
C) Use high-pressure water jets to control the fire.
D) Evacuate and allow natural dissipation of gas.
Correct Answer: B
Gas control valves are closed when valve handle is what position in relation to the piping? 
at right angles to piping.
 if a fire fighter in your crew asks you, if you want him to reopen the gas line? What should you advise him? 
No gas lines that are closed will be reopened except by gas company personnel.
Upon entering a building with a suspected internal gas leak, what equipment should the first arriving Fire Unit Officer and accompanying firefighters have?
A) Standard firefighter gear and a fire extinguisher.
B) Full bunker gear, breathing apparatus, fire extinguishers, hand tools, and high-rise standpipe equipment if applicable.
C) Only breathing apparatus and hand tools.
D) Lightweight gear for agility and quick movement.
Correct Answer: B
What should the officer-in-charge do immediately after discovering an internal gas leak?
A) Evacuate the area without notifying any services.
B) Notify the gas company with details including the nature of the emergency and the location of the incident command post.
C) Attempt to extinguish any visible flames immediately.
D) Close the main gas valve to the city block.
Correct Answer: B
When dealing with a burning gas leak inside a building, the fire department should follow which of these actions regarding extinguishing the fire?
A) Extinguish any flames as quickly as possible to prevent spread.
B) Allow the gas to burn until the supply can be safely shut off.
C) Use water sprays directly on the flame to reduce its intensity.
D) Immediately shut off the gas supply to extinguish the flame.
Correct Answer: B
How should gas control valves be handled after they have been shut off in an emergency?
A) Left in whatever position they were found in after the emergency.
B) Checked and reopened if the area seems safe.
C) Properly locked and tagged to prevent unauthorized use.
D) Immediately replaced or repaired by fire service personnel.
Correct Answer: C
Which of the following is NOT an appropriate action when dealing with an internal gas leak?
A) Use hose lines to cool exposed metals and prevent water damage below.
B) Flood the area where the gas leak must be repaired to disperse gas concentration.
C) Monitor gas migration with explosive meters and prevent smoking in the area.
D) Ventilate the area using natural ventilation techniques if possible.
Correct Answer: B
What considerations must the fire department balance during a gas emergency?
A) Only the safety of the fire department personnel.
B) Public safety, fire department personnel safety, and property protection.
C) Speed of resolving the incident regardless of safety.
D) Avoiding any contact with the gas company.
Correct Answer: B
