EVCS Lesson 2 – Lecture Summary
Charging is defined as ? - ANS ✔✔Supplying power (kW) to an EV battery
Which acronym represents the level of charge present in an EV battery? - ANS ✔✔SOC
The first EV chargers were external and supplied DC current directly to the vehicle's batteries. -
ANS ✔✔True
Which of the following was an early electric vehicle charger?
a. City of Seattle's Electro-Park electrified parking space
b.Ford Dyna-Charge
c.General Electric arc rectifier
d.Tesla Model 001 Charger - ANS ✔✔General Electric arc rectifier
Later in the development of EV charging equipment, the actual charging means was
accomplished by a(n) ? that converts AC to DC to be used in charging the vehicle's battery. - ANS
✔✔rectifier
Electric vehicle supply equipment (EVSE) provides which of the following safety features?
a. A continuously energized output
b. GFCI protection
c. Hardware fault detection
d. Both b. and c. - ANS ✔✔b. GFCI protection
c. Hardware fault detection
, EVSE provides DC power to the electric vehicle charging port. - ANS ✔✔False
DC charging equipment provides DC directly to ? in an EV. - ANS ✔✔battery management
systems
The Society of Auto Engineers (SAE) creates standards for which of the following?
a. Maximum current and voltage specifications for EVSE
b. Plug configuration
c. Safety features
d. All of the above - ANS ✔✔d. All of the above
An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous
current output is classified as a ? charger. - ANS ✔✔Level 1
An AC charger with a single-phase 208-volt or 240-volt connection and a continuous current
output of up to 80 amperes is classified as a ? charger. - ANS ✔✔Level 2
The purpose of the J1772 connector pins is to provide ? . - ANS ✔✔-a charging interface that is
safe for consumers to use
-a means to signal the EVSE to stop charging based on the pin contact state
-signals to the EVSE that the connector is properly seated on the vehicle
Which of the following is true about the J1772 standard control pilot terminal pin's function?
Charging is defined as ? - ANS ✔✔Supplying power (kW) to an EV battery
Which acronym represents the level of charge present in an EV battery? - ANS ✔✔SOC
The first EV chargers were external and supplied DC current directly to the vehicle's batteries. -
ANS ✔✔True
Which of the following was an early electric vehicle charger?
a. City of Seattle's Electro-Park electrified parking space
b.Ford Dyna-Charge
c.General Electric arc rectifier
d.Tesla Model 001 Charger - ANS ✔✔General Electric arc rectifier
Later in the development of EV charging equipment, the actual charging means was
accomplished by a(n) ? that converts AC to DC to be used in charging the vehicle's battery. - ANS
✔✔rectifier
Electric vehicle supply equipment (EVSE) provides which of the following safety features?
a. A continuously energized output
b. GFCI protection
c. Hardware fault detection
d. Both b. and c. - ANS ✔✔b. GFCI protection
c. Hardware fault detection
, EVSE provides DC power to the electric vehicle charging port. - ANS ✔✔False
DC charging equipment provides DC directly to ? in an EV. - ANS ✔✔battery management
systems
The Society of Auto Engineers (SAE) creates standards for which of the following?
a. Maximum current and voltage specifications for EVSE
b. Plug configuration
c. Safety features
d. All of the above - ANS ✔✔d. All of the above
An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous
current output is classified as a ? charger. - ANS ✔✔Level 1
An AC charger with a single-phase 208-volt or 240-volt connection and a continuous current
output of up to 80 amperes is classified as a ? charger. - ANS ✔✔Level 2
The purpose of the J1772 connector pins is to provide ? . - ANS ✔✔-a charging interface that is
safe for consumers to use
-a means to signal the EVSE to stop charging based on the pin contact state
-signals to the EVSE that the connector is properly seated on the vehicle
Which of the following is true about the J1772 standard control pilot terminal pin's function?
