28-03 Natural Gas Emergencies Flashcards
Where should the first apparatus be parked in the event of a natural gas emergency?
a. Downwind
b. Closest to the gas source
c. Uphill
d. Upwind
D
What is the recommended minimum distance for staging additional apparatus during a natural gas emergency?
a. 50 meters
b. 75 meters
c. 100 meters
d. 150 meters
C
What is the first step personnel should take to confirm a natural gas emergency?
a. Evacuate the area immediately
b. Notify the gas company
c. Assess the problem and explosive risk
d. Turn off all electrical equipment
C
What should personnel do to eliminate open sources of ignition during a natural gas emergency?
a. Allow the use of electrical equipment
b. Use on/off switches freely
c. Shut off appliances
d. Increase lighting
C
When using the 4 gas detector during a natural gas emergency, what should personnel determine?
a. The wind direction
b. The evacuation perimeters
c. Concentrations of natural gas
d. Availability of emergency services
C
What should personnel avoid during a natural gas emergency to prevent further hazards?
a. Shutting off commercial or industrial building valves
b. Using intrinsically safe equipment
c. Pressurizing suspected contaminated areas
d. Coordinating with the gas company
C
When is it appropriate to attempt to extinguish a natural gas fire during an emergency?
a. When it poses an immediate threat to life or property
b. After the gas company arrives
c. Only with specialized equipment
d. never
A
What is the recommended approach for ventilation during a natural gas emergency?
a. Use intrinsically safe equipment
b. Natural ventilation or with intrinsically safe equipment
c. Pressurize the area with fans
d. Introduce water onto the scene
B