Electric Veh Charg Sys - 2017 NEC - 2nd Ed.

The first electric vehicle can be traced back to ? . Select one: a. 1832 b. 1943 c. 1967 d. 2002

1832

Fleet vehicle battery capacity has reached upward of ? for heavy duty vehicles. Select one: a. 500 Wh b. 10 kWh c. 550 kWh d. none of the above

550 kWh

The CHAdeMO V1.0 Standard has charging power up to ? at ? , up to ? . Select one: a. 62.5 kW / 500 VDC / 125 A b. 350 kW / 480 VDC / 80 A c. 400 kW / 1,000 VDC / 400 A d. 1 MW / 2,200 VDC / 800 A

62.5 kW / 500 VDC / 125 A

A partial zero emissions vehicle (PZEV) is defined as which of the following? Select one: a. A gas-engine vehicle that has zero evaporative emissions from its fuel system b. A plug-in electric vehicle c. A vehicle with a hybrid gas-electric drive train d. An electric vehicle that only has provisions for wireless charging

A gas-engine vehicle that has zero evaporative emissions from its fuel system

Charging methods for battery electric buses include which of the following? Select one: a. Above/below bus charging wireless charging b. Plug-in charging c. Wireless power transfer d. All of the above

All of the above

EV networks generate revenue with which of the following? Select one: a. Call-to-pay b. Membership fees c. Station usage fees d. All of the above

All of the above

Installations covered by the NEC include which of the following? Select one: a. Industrial substations b. Installations on public and private premises c. Recreational vehicles, floating buildings, and mobile homes d. All of the above

All of the above

The SAE standard for wireless charging has specifications that include which of the following? Select one: a. Magnetic triangulation for vehicle alignment over the power source coil b. Means to allow for payment without physical interaction c. Up to 11 kW charging capacity d. All of the above

All of the above

The Society of Auto Engineers (SAE) creates standards for which of the following? Select one: a. Maximum current and voltage specifications for EVSE b. Plug configuration c. Safety features d. All of the above

All of the above

What factors limited the popularity of EVs as internal combustion engine vehicles came to the market in the early 1900s? Select one: a. Charge times b. Range c. Speed d. All of the above

All of the above

What types of commercial/industrial vehicles are currently available in an electrified version? Select one: a. Cargo and material-handling equipment b. Delivery vans and buses c. Semi-trailer trucks d. All of the above

All of the above

Which of the following is true about the J1772 standard control pilot terminal pin's function? Select one: a. It changes 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

All of the above

Regenerative braking is best described by which of the following? Select one: a. An energy recovery system b. Not reliable as a braking method c. Obsolete technology that existed on EV models in the 1990s d. Turns electrical energy to kinetic energy

An energy recovery system

Requirements for branch circuits and AFCI/GFCI protection of branch circuits are found in ? . Select one: a. Article 200 b. Article 210 c. Article 230 d. Article 240

Article 210

When an EV and its EVSE is used as a power supply for an optional standby system, requirements found in ? are applied. Select one: a. Article 700 b. Article 702 c. Article 704 d. Article 705

Article 702

When an EV and EVSE is used to facilitate power supply as an interactive power production source, which article must be applied? Select one: a. Article 700 b. Article 702 c. Article 704 d. Article 705

Article 705

Which of the following illustrates why electric vehicles were so popular in the early days of automobiles? Select one: a. They were clean to operate. b. They were mechanically complicated. c. They were quiet. d. Both a. and c

Both a. and c.

Electric vehicle supply equipment (EVSE) provides which of the following safety features? Select one: a. A continuously energized output b. GFCI protection c. Hardware fault detection d. Both b. and c.

Both b. and c.

What are the advantages of wireless charging? Select one: a. Compatibility standards are still under development b. It has no exposed electrical contact points c. Wireless charging has better aesthetic quality d. Both b. and c.

Both b. and c.

Which of the following drive the market for EVs? Select one: a. Cheaper gasoline prices b. Decreased cost of electric vehicles c. Increased interest in alternatives to gas-powered vehicles d. Both b. and c.

Both b. and c.

Which of the following is the Japanese DC quick charging standard? Select one: a. CHAdeMO b. JARI c. SAE d. TEPCO

CHAdeMO

Which of the following is not a variable that determines the charging time of an EV? a. Connector configuration b. Max power capacity of the EV's converter c. Size of the electrical feeder/service supplying the EVSE d. All of the above

Connector configuration

EVSE output cable is permitted to be made from Type ? cable and is generally permitted to have a maximum length of ? . Select one: a. EVJT / 25' b. MI / 25' c. SJO / 20' d. SO / 20'

EVJT / 25

True or False EVSE provides DC power to the electric vehicle charging port.

False

True or false The EV's power acceptance rate should not be considered when making EVSE purchasing decisions.

False

Which of the following is not an alternative to fossil fuels? Select one: a. Compressed air b. Electricity c. Fuel cell d. Gasoline

Gasoline

Article 110 covers ? requirements for wiring and equipment. Select one: a. conditional b. general c. simple d. specific

General

Which of the following was an early electric vehicle charger? Select one: a. City of Seattle's Electro-Park electrified parking space b. Ford Dyna-Charge c. General Electric arc rectifier d. Tesla Model 001 Charger

General Electric arc rectifier

What category of EV has been available to consumers the longest? a. BEV b. HEV c. PHEV d. All of the above

HEV

Which of the following describes an advantage that hybrid electric vehicles have over traditional gas-powered vehicles? Select one: a. Hybrid vehicles are more expensive than gas-powered vehicles. b. Hybrid vehicles have superior efficiency compared to gas-powered vehicles. c. Both a. and b. d. None of the above

Hybrid vehicles have superior efficiency compared to gas-powered vehicles.

Level 2 EVSEs with a rating of 6.6 kilowatts can supply ? of charge current when operating at 220 VAC. Select one: a. 20 A b. 30 A c. 40 A d. 50 A

I = P/E 6,600 W/220 VAC = 30 A The correct answer is: 30 A

Which of the following is not a category of electric vehicles? Select one: a. BEV b. HEV c. ICE d. PHEV

ICE

What improvements in technology have increased interest in EVs? Select one: a. Charging stations specific to each type of vehicle b. High cost and poor public awareness c. Improved range, power, and lighter batteries d. None of the above

Improved range, power, and lighter batteries

What is the SAE standard for wireless charging? Select one: a. CHAdeMO b. J2954 recommended practice c. SAE J1772 d. None of the above

J2954 recommended practice

An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous current output is classified as a ? charger. Select one: a. Level 1 b. Level 2 c. low-voltage d. SAE standard

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. Select one: a. Class 2 b. high-voltage c. Level 1 d. Level 2

Level 2

EVSE shall have a(n) ? system for shock protection for personnel. Select one: a. approved b. labeled c. listed d. marked

Listed

Which of the following is not true of EV charging networks? Select one: a. Charging networks offer both paid memberships and free memberships with pay-as-you-go charging. b. There are over a dozen networks across the U.S. and Canada. c. They allow businesses a way to draw consumers to charging equipment and generate revenue via transaction processing. d. None of the above

None of the above

Which of the following describes a plug-in electric vehicle that runs on batteries until nearly depleted, then switches over to an ICE generator to extend the battery range? Select one: a. BEV b. PHEV c. All electric vehicles have this capability. d. No electric vehicle currently on the market has this capability.

PHEV

Which of the following describes an EV drivetrain architecture in which power can be transmitted to the drive from two sources at the same time? Select one: a. Full electric drive b. Parallel hybrid drive c. Series hybrid drive d. 3-phase series drive

Parallel hybrid drive

Which of the following is connected to the charge controller of a wireless EV charger via hardwiring? Select one: a. Power capture resonator b. Power control unit c. Power multiplier coil d. Power source coil

Power source coil

What best describes early EVs? Select one: a. Loud and difficult to steer b. Oily, noisy, and hard to start c. Quiet, easy to start, and mechanically simple d. Very unreliable

Quiet, easy to start, and mechanically simple

Which of the following calculations are covered in Article 220? Select one: a. Residential, commercial, industrial service, and feeder b. Taps, motors, transformer OCPD c. Utility distribution network d. None of the above

Residential, commercial, industrial service, and feeder

Which of the following acronyms represents the level of charge present in an EV battery? Select one: a. ANSI b. EVA c. NFPA d. SOC

SOC

Overcurrent protection for EVSE is covered in ? . Select one: a. Section 625.1 b. Section 625.21 c. Section 625.31 d. Section 625.41

Section 625.41

Charging is defined as which of the following? Select one: a. Refilling brake fluid in an EV b. Removing the batteries from an EV and placing them inside charging equipment c. Replacing batteries in an EV d. Supplying power (kW) to an EV battery

Supplying power (kW) to an EV battery

Chapter 9 of the NEC contains which of the following? Select one: a. Auxiliary information that is not enforceable b. Engineering tables that are only intended to be used by electrical designers c. Load calculation examples d. Tables that are applicable and enforceable when referenced elsewhere in the Code

Tables that are applicable and enforceable when referenced elsewhere in the Code

What was the first mass-produced hybrid electric vehicle? Select one: a. GM EV-1 b. Honda Insight Hybrid c. Tesla Model 3 d. Toyota Prius

Toyota Prius

True or False? A battery electric vehicle requires external charging but does not rely on an internal combustion generator for extended range.

True

True or False? The first EV chargers were external and supplied DC current directly to the vehicle's batteries.

True

True or False? The state of charge is the available capacity of the battery, expressed as a percentage.

True

True or false The NECA 413-2012 Standard is the only ANSI-approved standard for EVSE installation and maintenance.

True

True or false The maximum amount of current a conductor can carry under the conditions of use without exceeding its temperature rating is found using the calculation methods based in Article 310.

True

True or false Wireless charging is more expensive than coupled EVSE.

True

The State of Charge of the EV battery is ? . Select one: a. a determining factor in calculating the time necessary to fully charge an EV b. an indicator of battery age c. dependent on how many miles the vehicle has been driven in its lifetime d. low when an EV is fully charged

a determining factor in calculating the time necessary to fully charge an EV

NEC Chapters 1-4 apply to ? . Select one: a. all installations b. all installations except as modified by Chapters 5, 6, and 7 c. only Chapter 8 d. none of the above

all installations except as modified by Chapters 5, 6, and 7

The EV industry is comprised of ? . Select one: a. auto manufacturers b. consumer advocacy groups c. EV charging equipment manufacturers d. research and standards organizations e. all of the above

all of the above

The purpose of the J1772 connector pins is to provide ? . Select one: 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

all of the above

The tables in Article 310 identify ? . Select one: a. allowable ampacity of conductors based on conductor size and material b. ampacity adjustment and correction factors c. wire types and application d. all of the above

all of the above

DC charging equipment provides DC directly to ? in an EV. Select one: a. battery management systems b. battery monitoring devices c. charge multiplier systems d. current management systems

battery management systems

Forklifts, yard tractors, and drayage trucks are all examples of ? . Select one: a. cargo-handling equipment b. delivery vehicles c. light duty trucks d. none of the above

cargo-handling equipment

NEC Chapter 8 covers ? systems and ? subject to Chapters 1-7 unless specifically referenced. Select one: a. communications / is b. communications / is not c. emergency / is d. emergency / is not

communications / is not

NEC 110.14(C) requires conductor ampacity to be ? . Select one: a. based on overcurrent protection rules in Article 240 b. chosen based on ambient temperature only c. coordinated with equipment termination ratings d. none of the above

coordinated with equipment termination ratings

EVSE equipment shall have means to ? the charging cable if strain is placed upon it that could rupture the cable or connector, leading to exposure of live parts. Select one: a. de-couple b. deenergize c. release d. retract

deenergize

EVs can be equipped with a(n) ? motor. Select one: a. induction b. internal combustion c. permanent magnet d. either a. or c.

either a. or c.

EV networks utilize memberships that are ? . Select one: a. fee-based or pay-as-you-go b. rare and exclusive c. all of the above d. none of the above

fee-based or pay-as-you-go

Wireless EV charging utilizes the principles of ? . Select one: a. induction b. parallel resonant circuits c. series resonant circuits d. all of the above

induction

EVSE must be equipped with a(n) ? that prevents the charging connector from being accidentally energized before it is connected to the vehicle. Select one: a. cap b. cover c. guard d. interlock

interlock

The ? load for listed occupancies is based on Table 220.12. Select one: a. lighting b. receptacle c. service d. transformer

lighting

NECA 413-2012 contains ? requirements for EVSE installation, covering everything from planning an installation to ADA considerations and commissioning process. Select one: a. basic b. complete c. performance-based d. suggested

performance-based

The National Electrical Code (NEC) ? . Select one: a. covers all electrical work, from utility generation to household wiring b. is not intended to provide requirements for installation that safeguard persons and property from the hazards arising from the use of electricity c. provides minimum installation requirements

provides minimum installation requirements

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. Select one: a. internal combustion generator b. inverter c. rectifier d. voltage source

rectifier

Temperature ratings of equipment, overcurrent devices, and conductors must be ? and ? to not exceed the lowest rated element of the circuit. Select one: a. approved / installed b. picked / chosen c. selected / coordinated d. none of the above

selected / coordinated

According to Article 625, EVSE is equipment that has the specific purpose of transferring energy from ? to the electric vehicle. Select one: a. a DC power source b. a generator c. the premises wiring system d. the utility

the premises wiring system

Definitions that are specific to a particular article are located in which of the following sections? Select one: a. xxx.1 b. xxx.2 c. xxx.10 d. xxx.12

xxx.2