HYBRID/ELECTRIC VEHICLES, AND SUPPLEMENTAL RESTRAINT SYSTEMS

Question 1

Under no circumstances should an emergency responder ___. Doing so may result in
severe electrical burns, shock or electrocution

Answer 1

disassemble or remove the cover of the high voltage battery pack

Question 2

The hybrid gasoline-electric/electric vehicle poses___ over a
conventional vehicle if handled properly at an emergency incident

Answer 2

no additional risk

Question 3

If the parallel high voltage cable running under the vehicle is damaged, the high voltage battery ___ the entire high voltage battery circuit

Answer 3

will short circuit and deenergize

Question 4

Currently, three main styles of hybrid vehicles exist: ___

Answer 4

series, parallel and split

Question 5

Natural gas powered vehicles use either Compressed Natural Gas (CNG) or
Liquefied Natural Gas (LNG), however, __ is more common

Answer 5

CNG

Question 6

These vehicles are driven by the electric motor alone and as the energy demands of the electric motor deplete the battery, the gasoline-powered generator fires to recharge the battery

Answer 6

Series Hybrid

Question 7

A ___ hybrid uses both a gasoline engine and electric motor
to move the car forward

Answer 7

parallel

Question 8

It can run-on electric or gas engine power depending on conditions.
Because of the combination of technology, the ___ hybrid has been cost
prohibitive and is not commonly used.

Answer 8

split

Question 9

The CNG is stored in high-pressure tanks at___ psi. A full tank
with a serious leak will empty in a few minutes

Answer 9

3000

Question 10

LNG powered vehicles contain stored natural gas at approximately___ F with a vapor pressure of approximately 15 psi and an expansion ratio of approximately 620:1 (liquid to vapor)

Answer 10

-260 °

Question 11

The ___ batteries in a hybrid car are the energy storage devices for the electric motor

Answer 11

NiMH (Nickel Metal Hydride)

Question 12

NiMH High Voltage battery System can range from ___ volts up to ____volts

Answer 12

144-600

Question 13

All high voltage wires and harness are covered in___ insulation

Answer 13

bright orange

Question 14

The ___ boosts and inverts the high voltage battery pack to a three
phase AC electricity that drives the motor

Answer 14

inverter

Question 15

A smart key contains a transceiver which communicates with the
vehicle. When in range, typically less than __’, some vehicle systems may
activate.

Answer 15

16

Question 16

If the key cannot be located, shutting down the ___ will disable the system

Answer 16

12-V battery

Question 17

After disabling the vehicle, power is maintained for ____ in the
SRS system and ___ in the high voltage electrical system

Answer 17

90 second 5 minutes

Question 18

___ REMOVE THE METAL COVER OF THE HIGH-VOLTAGE BATTERY PACK.

Answer 18

DO NOT

Question 19

To prevent hydrogen gas explosions, it is recommended to
ventilate the vehicle by propping open the ___.

Answer 19

doors and trunk

Question 20

Should a fire include a vehicle while connected to a charging station, be
sure to _____ prior to extinguishing the fire.

Answer 20

shut down the electricity at the charging station

Question 21

If LNG is flowing, control by ___

Answer 21

diking