TB Fires 8 Operations at Motor Vehicle Incidents and Emergencies Flashcards
(13 cards)
The voltage from a hybrid battery is AC or DC?
DC
11.6B
What is the most dangerous hazard while operating at a car fire?
The most dangerous hazard is the possibility of vehicle being is gear on a stick-shift transmission and the starting motor being engaged, moving the vehicle. Always chock wheels.
11.4C
Hybrid Vehicles can be rated between ___ and ___volts DC
Between 144 and 330 volts DC.
11.6B
The threshold voltage where DC becomes dangerous can be as low as ___ to ____ Volts compared to 110Volts for AC
55 to 60 volts DC
11.6 B
On MOST hybrid vehicles, the HIGH Voltage cables are color-coded _____
ORANGE
11.6 C
When should the high voltage cables be cut?
NEVER
11.6 C
If not colored ORANGE what other color are HIGH Voltage cables?
BLUE
11.6 C
How far does the “Key Fob” nee toaway from the vehicle?
Keep “KeyFob” at least 15 feet away from the vehicle.
11.6 C
What is the minimum distance between the “operating unit” and “blocking apparatus” be?
Minimum distance of 50 feet.
When disconnecting a battery the ____terminal is removed first.
The NEGATIVE TERMINAL FIRST
When extinguishing a magnesium fire, what type of stream should be used?
A COARSE spray stream (partially open nozzle w tip removed)
11.2 B
Flares burn for approximately ___ minutes.
30 Minutes
8.1 F 2
How many flares or cones should be used to build a lane closure or safety zone?
4-6 flares and / or Cones.
8.1 E1
