1. The “usable” or “net” battery capacity is generally considered at around 80-85% of the manufacturer’s “gross battery capacity rating

50-55%

60-65%

70-75%

80-85%

90-95%

2. The amount of time that an EV requires in order to recharge is called the ____ time

3. Each commercial EVSE must have its own circuit breaker with ___ branch circuit(s) dedicated for each station

4. Congestion that occurs in power lines when transmission systems are operate at or beyond their transfer limit is called grid _____

5. In Figure 7-9 which pin on EV charging plug is the power (L1)?

A

Booster converter

CSS

D

E

6. The maximum speed , measured in kilowatts, at which the OBC can receive and convert alternating current is called the ___ rate

7. While actual maintenance costs vary, commercial charging station owners should estimate maintenance cost of up to ___ annually , per EVSE

100

200

400

600

800

8. Which type of EVSE is popular for both residential and commercial installations?

Level 1 only

Level 1 and 2

Level 2 only

Level 2 and 3

Level 3 only

9. The two main factors that affect battery charging speed are battery ____ and the charging power

10. A charging feature that limits power consumption to a user defined threshold is called ___ shaving

11. The circuity shown in Section A of Figure 7-8 uses a ___ – ___ PFC to boost the voltage

12. Typical Level 3 chargers can provide ___ miles of range or more per hour of charging

13.The most popular in North America for level 1 and 2 charging is the

CHAdeMO

CCS

CSS

J1772

Tesla Plug

14.Bi-directional communication between the EV and the charging station is enable by the ___ pin on the charge connector

15.The circuit shown in Figure 7-5 is often referred to as a

DC fast charger

Supercharger

Level 2 charger

Trickle charger

Interleaved single-stage charger

16. Most EVSE manufacturers recommend having their chargers serviced

Once a year

Twice a year

Every 2 years

Every five years

Every ten years

17 Most Level 2 EVSEs charge at a rate that is ___ times faster than Level 1 chargers

2

4

5

7

10

18. Tesla superchargers can add up to 200 miles of range in under __ minutes

19. For electrical load calculations, Level 3 charging stations are considered as __ load

Intermittent

Peak

Variable

Continuous

VA

20. the circuit in Section A of Figure 7-7 is a ___  pad. 

21. Which plug is designed to withstand 10,000 connection /disconnection cycles?

CHAdeMO

CCS

CSS

J1772

Tesla Plug

22. For the OBC, shown in Figure 7-3 section A is the

Buck converter

Booster converter

LLC converter

Boost inverter

ZVS inverter

23. When assessing the feasibility of installing an EVSE in a residence, a ___ calculation is required that determines how much power is required to run everything that consumes electricity at home

24. When the release button on a properly functioning 1772 plug is pressed, the resistance from the proximity pin (PP) to ground should be about ___

25 Each kilowatt hour (kWh) received by a standard passenger sized EV equates to about __ mile (s) of driving range

1

4

6

8

10

26. A system capable of monitoring using and limiting the use of charging devices to optimize energy consumption is known as a ___ charging system

27.The fastest way to charge  battery is with a

Level 1 charger

Level 2 charger

AC charger

DC charger

Level 4 charger

28.A method of optimizing energy use and allocating available power to the EV charging loads is called

Static load management

Dynamic load management

Load sharing

EVEMS

Peak charging

29. In some parts of the world, GFCIs have been known to fail almost ___ of the time

0.15

0.3

0.45

0.6

0.75

30. A control method that allows power grid operators to distribute the available energy proportionally on all active charging stations is called load ____