Exam (elaborations)
LESSON 2 ELECTRIC VEHICLE CHARGING SYSTEMS
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LESSON 2 ELECTRIC VEHICLE CHARGING SYSTEMS
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LESSON 2 ELECTRIC VEHICLE CHARGING SYSTEMSCharging is defined as... - Answers-Supplying power(kW) to an EV battery.
What is the acronym for the level of charge present in an EV battery? - Answers-SOC
True or False: The first EV chargers were external and supplied DC current directly to the
vehicle's batteries. - Answers-True
The Society of Auto Engineers creates standards for which of the following? - Answers-
A. Maximum current and voltage specifications for the EVSE.
B. Plug configuration
C. Safety features
D. All of the above**
An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous
current output if classified as a _____ charger. - Answers-Level 1
An AC charger with a single-phase 208-volt connection and a continuous current output
of up to 80 amperes is classified as a _____charger. - Answers-Level 2
What is the purpose of the J1772 connector pins is to provide? - Answers-A. A charging
interface that is safe for consumers to use.
B. a means to signal the EVSE to stop charging based on the pin contact state.
C. Signals to the EVSE that the connector is properly seated on the vehicle.
D. All of the above**
What is true about the J1772 standard control pilot terminal pin's function? - Answers-A.
it charges the state of the EVSE according to the voltage present.
B. it defines the state of the EVSE.
C. it uses a +12V to -12V AC square wave signal.
D. All of the above. **
What is one of the early electric vehicle chargers? - Answers-General Electric Arc
Rectifier.
The actual means charging was accomplished by a ___ that was on board the vehicle. -
Answers-Rectifier
Electric Vehicle Supply Equipment (EVSE) provides which of the following safety
features? - Answers-GFCI protection
True or False: ESVE provides power to the electric vehicle charging port. - Answers-False
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