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EVITP EXAM ELECTRIC VEHICLE INFRASTRUCTURE TRAINING PROGRAM (EVITP) EXAM COMPLETE 400 QUESTIONS AND VERIFIED SOLUTIONS LATEST UPDATE THIS YEAR
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Calculate the voltage drop on a single-phase circuit with 32 amperes of load, a distance of 320 feet from the load to the panelboard, and served by 8 AWG copper THHN conductors. Select one: a.13 V b.14 V c.15 V d.16 V d.16 V 2KIL / A = VD(2) × 12.9 × 32A × 320' / 16,510 cmil = 16 V Calculate the following correct copper conductor size so that the branch circuit has a maximum voltage drop of 2%. The load on the circuit is 32 amperes, the distance from the load to the panelboard is 400 feet, and the circuit is 208 volts, single-phase. a.3 AWG b.1 AWG c.1/0 AWG d.250 kcmil b.1 AWG 2% × 208 V = 4.16 V 2 KIL / VD = A 2 × 12.9 × 32 A × 400' / 4.16 V = 79,384.6 cmil =
a.90 A b.156 A c.167 A d.180 A b.156 A
c.28,000 VA d.32,000 VA d.32,000 VA 220.14(K) - use largest of either 1 VA per square foot or 180 VA per outlet. 180 VA × 120 = 21,600 VA 32,000 ft2 × 1 VA = 32,000 VA What is the minimum branch circuit size for a Level II EVSE with a 32-ampere current rating? Select one: a.32 A b.35 A c.40 A d.55 A c.40 A 32 A × 1.25 = 40 A minimum OCPD What is the minimum size XHHW-2 copper conductor permitted to supply a Level II EVSE that has a 30-ampere current rating, assuming 75° terminations? Select one: a.12 AWG b.10 AWG c.8 AWG d.6 AWG
An office building has 22 kilovolt-amperes of lighting that is at continuous operation. It also has 35 20-ampere, 120-volt duplex receptacles. Both loads are fed from a 300-ampere panelboard operating at 120/240 volts, single phase. How much more continuous load can be added to the service? Select one: a.30,560 VA b.33,800 VA c.38,200 VA d.72,000 VA a.30,560 VA (22 kVA × 1.25) + (35 × 180 VA) = 33,800 VA 300 A × 240 V = 72,000 VA 72,000 - 33,800 VA = 38,200 VA 38,200 VA × 0.8 = 30,560 VA is the capacity left on the continuous load A Level II EVSE with a rating of 32 amperes at 208 volts is installed. What is the minimum size copper equipment grounding conductor required to serve the installation? Select one: a.10 AWG b.8 AWG c.6 AWG d.4 AWG a.10 AWG
250.122 - the EVSE will be served by a 40A OCPD; therefore, the minimum size equipment ground will be 10 AWG. Additional EVSEs are to be added to an existing 120/208-volt, 3-phase, 4-wire, 600-ampere service with 220 amperes of non-continuous load and 172 amperes of continuous load. The EVSEs each draw 32 amperes. How many new EVSEs can be added to the service? (Note: Use 1.732 for the square root of 3.) Select one: a. b. c. 6 d. c. 220 A + (172 A × 1.25) = 435 A 600 A - 435 A = 165 A 165 A × 0.8 = 132 A left (due to EVSEs being continuous loads) (32 × 1.732) = 55. 132 A / 55.43 = 2.38 or 2 per phase Total = 6 EVSEs What is the minimum copper THHN feeder size for 12 EVSEs rated at 24 amperes on a 3- phase, 4-wire, 120/208-volt system, assuming four EVSE per phase? (Note: Use 1.732 for the square root of 3.) Select one:
The most commonly reported repair to electric vehicle supply equipment (EVSE) manufacturers is damage to the?. Select one: a.contractor b.cord set c.EVSE d.panelboard b.cord set Issues with data servers, EVSE locator networks, and billing networks are typically the result of a(n)? problem. Select one: a.communication b.contactor c.ground fault d.overcurrent protection a.communication Public EVSE installations need to be protected from? vehicles and maintenance equipment. Select one: a.impacts with b.rain on c.theft of d.vandalism of a.impacts with The first step in the troubleshooting and repair guidelines flowchart is to?. Select one: a.document make, model, and serial numbers
b.locate panel and check circuit breaker c.test unit using an EVSE simulator d.visually inspect EVSE d.visually inspect EVSE The final step in the troubleshooting and repair guidelines flowchart is to?. Select one: a.document make, model, and serial numbers b.recommission EVSE c.release EVSE as fully operational d.test unit using an EVSE simulator c.release EVSE as fully operational For information regarding specific tools required for servicing EVSE installed in public locations that use tamper-resistant hardware, one should refer to?. Select one: a.manufacturer's instructions b.NFPA 70: National Electrical Code c.NFPA 70E: Standard for Electrical Safety in the Workplace d.OSHA CFR a.manufacturer's instructions The? section of the troubleshooting and repair guidelines flowchart outlines issues specific to testing and procedures and may also be used as a sequence of events. Select one: a.1st b.2nd c.3rd d.4th
A partial zero emissions vehicle (PZEV) is defined as which of the following? 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. A gas-engine vehicle that has zero evaporative emissions from its fuel system The state of charge is the available capacity of the battery, expressed as a percentage. True or False: True Which of the following describes an advantage that hybrid electric vehicles have over traditional gas-powered vehicles? 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 b. Hybrid vehicles have superior efficiency compared to gas-powered vehicles. Which of the following is not an alternative to fossil fuels? a. Compressed air b. Electricity c. Fuel cell d. Gasoline d. Gasoline
The EV industry is comprised of?. a. auto manufacturers b. consumer advocacy groups c. EV charging equipment manufacturers d. research and standards organizations e. all of the above e. all of the above The first electric vehicle can be traced back to?. a. 1832 b. 1943 c. 1967 d. 2002 a. 1832 Which of the following illustrates why electric vehicles were so popular in the early days of automobiles? a. They were clean to operate. b. They were mechanically complicated. c. They were quiet. d. Both a. and c. d. Both a. and c. What factors limited the popularity of EVs as internal combustion engine vehicles came to the market in the early 1900s?
b. oily, noisy, and hard to start c. Quiet, easy to start, and mechanically simple d. None of the above c. Quiet, easy to start, and mechanically simple Which of the following is not a category of electric vehicles? a.BEV b.HEV c.ICE d.PHEV ICE 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 a plug-in electric vehicle that runs on batteries until nearly depleted, then switches over to an ICE generator to extend the battery range? a. BEV b. PHEV c. All electric vehicles have this capability. d. No electric vehicle currently on the market has this capability PHEV
True or False A battery electric vehicle requires external charging but does not rely on an internal combustion generator for extended range. True EVs can be equipped with a(n) (?) motor. a. induction b. internal combustion c. permanent magnet d. either a. or c. D. Regenerative braking is best described by which of the following? (select one) a. An energy recovery system b. Not reliable as braking method c. Obsolete technology that existed to EV models in the 1990's d. Turns electrical energy to kinetic energy a. An energy recovery system 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? a. Full electric drive b. Parallel hybrid drive c. Series hybrid drive d. 3-phase series drive
b. Plug-in charging c. Wireless power transfer d. All of the above Fleet vehicle battery capacity has reached upward of_________ for heavy duty vehicles. a. 500 Wh b. 10 kWh c. 550 kWh d. None of the above c. 550 kWh Charging is defined as which of the following? 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 d. Supplying power (kW) to an EV battery Which of the following acronyms represents the level of charge present in an EV battery? a. ANSI b. EVA c. NFPA d. SOC d. SOC
The first EV chargers were external and supplied DC current directly to the vehicle's batteries. True or False: 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 c. 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. a. internal combustion generator b. inverter c. rectifier d. voltage source c. rectifier 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.
