Module 17: Electric And
Alternative Fuel Vehicles AUTI 100
Correct Answers Latest Update
HEVs Answer: operate by an internal combustion engine and an electric
motor which uses energy stored in batteries. The battery does not recharge by
plugging in. Instead, it is charged through regenerative braking (capturing
energy from the braking process) and by the internal combustion engine.
EVs Answer: powered partially by electricity. Instead of a gasoline or
diesel-powered engine like traditional vehicles, EVs use an electric motor that
operates by electricity from batteries or a fuel cell.
Fuel cell electric vehicles (FCEVs) Answer: Powered by hydrogen. The
energy stored as hydrogen is converted to electricity by the fuel cell. They
produce no tailpipe emissions, since they only emit water vapor and warm air.
The first way to identify hybrid vehicles is by Answer: Some hybrid
vehicles are identified by the word hybrid at the back of the vehicle, while
others are not as plainly marked.
Where can you find the HEV mark? Answer: Check the dash or display
inside the vehicle or in the engine compartment in order to find this
information.
, The second way to identify a HEV is by Answer: the use of either orange,
blue, or yellow cables to indicate high-voltage lines.
Where can you find the HEV cables ? Answer: you'll find these cables in
the engine compartment, on the underside of the vehicle, and in the area
where the battery is stored.
There are many safety hazards associated with HEV's like Answer:
flammable fuel, electrical shorts/fires, non-deployed airbags, and high-voltage
safety issues.
The first way to identify electric vehicles is by Answer: using a car's
emblem
The second way to identify electric vehicles is by Answer: battery vents,
dashboard logos, and either orange, blue, or yellow cables, which indicate
high-voltage lines. located near where the battery is stored, which is typically
behind the rear seatback and under the vehicle.
On HEVs and EVs, safety switches are used to Answer: automatically cut
high-voltage power to the system in the event of a collision sufficient to
activate the Supplemental Restraint System (SRS).
It is critical that technicians shut down and isolate the main high-voltage
component using Answer: The service disconnect procedures provided by
the Original Equipment Manufacturer (OEM).
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