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Electrical vehicles are equipped with what type of motor a. internal combustion permanent magnet c. induction d.B and C - ✔✔d.B and C Regenerative breaking is best described by which of the following a. an energy recovery system b turnes electrical energy to kinetic energy c. is obsolete technology that existed on ev models in the 90's d. is not reliable as a breaking method - ✔✔a. an energy recovery system "lion" describes which of the following a. chemical compound symbol for one type of lithium ion batteries b. abbreviation for lights on c. acronym for a new on board navigational system d. none of the above - ✔✔a. chemical compound symbol for one type of lithium ion batteries wireless electric vehicle charging utilizes the principles of which of the following a. series resonant circuits b parallel resonant circuits c. inductance d. all of the above - ✔✔b parallel resonant circuits which of the following is the Japanese dc quick charging standard
a.tepco b. chademo c. jari d. sae - ✔✔b. chademo which of the following is true about the proximity connection point on the j1772 connector a. it serves as a chassis grounding point b. it communicates to the evse that the vehicle is properly connected c. it is a pilot signal that communication the state of the evse d.none of the above - ✔✔b. it communicates to the evse that the vehicle is properly connected fleet vehicle battery capacity has reached upwards of _____ for heavy duty vehicles a. 10kw b. 500kw c. 550kw d. None of the above - ✔✔c. 550kw Later in the development of EV charging equipment the actual charging means was accomplished by ______ that was on board the vehicle a. inverter b. rectifier c. voltage source d. an internal combustion generator - ✔✔b. rectifier an ac charger with a single phase 208v or 240v connection and a continuous current output of us to 80a is classified as which of the following? a. level 2 charger b. level 1 charger c. high voltage charger
a. The nec b. local codes and regulations c. public opinion d. weather restrictions - ✔✔b. local codes and regulations trailblazing signs are for which of the following purposes a. direct drivers to the location of the ev charging equipment b. advertise ev charging networks c. regulatory purposes d. none of the above - ✔✔a. direct drivers to the location of the ev charging equipment the maximum depth of a barrier such as a curb or housekeeping pad in front of equipment a. 20" b. 15" c. 12" d. 10" - ✔✔d. 10" operable parts of accessible equipment should be located _____ above finish grade per ada guidelines a. 10"-30" b 18"-56" c. 15"-48" d. 24"-96" - ✔✔c. 15"-48" Evse provides dc to the electric dc to the electric vehicle charging port. evse is "electric vehicle supply equipment Electric vehicle supply equipment (EVSE) supplies electricity to an electric vehicle (EV)... EVSE equipment is classified as level 1 (120 volts AC), Level 2 ( 240 volts, AC), and DC Fast Charger (480 bolts DC and higher). a. true b. false - ✔✔b. false
Temperature ratings of equipment, over current devices, and conductors must be _______ and _______ so as to not exceed the lowest rated element of the circuit. a. picked/chosen b.selected/coordinated c. approved/installed d. none of the above - ✔✔b. selected/coordinated Evse equipment shall have means to to ______ the charging cable if strain is placed upon it that could rupture the cable or connector, leading to exposure of live parts. a. retract b. de-couple c. release d. de-energize - ✔✔d. de energize evse output cable is permitted to be made from _____ and is generally permitted to have a maximum length of _____ feet a.type evjt cable, 25' b. type mi cable, 25' c. type sjo cable, 20' d. type so cable, 20' - ✔✔a. type evjt cable, 25' Evs are equipped with what type of motors a. internal combustion b. permanent magnent c. induction d. B and C - ✔✔d. B and C which of the following acronyms represents the level of charge present in an EV battery? a. SOC
correct the following conductor size so that the branch circuit has a maximum voltage drop of 2%. The load on the circuit is 32A, the distance to from the load to the panelboard is 400' and the circuit is single phase 208v. a. #3 awg b.1/0 awg c. 250kcmil d. #1 AWG - ✔✔d. #1 AWG Three phase- phase level 2 evse are distributed equally on a three-phase 4 wire system. Each evse draws 24A. What is the line current on each phase? a. 52.6 A b. 41.56 A c. 64.33 A d. 24A - ✔✔b. 41. two level 2 Evse circuits are installed in the same Pvs Conduit. Each EVSE is served by a 40A circuit at 240V. There is a EGC ran along with the circuits. Of the following conductor sizes, which is the smallest that would meet NEC requirements for the installation? a. #6 awg b. #8 awg c. #4 awg d. #2 awg - ✔✔b. #8 awg a 32,000 square foot office building has (120) 20A 120v duplec receptacle outlets. What is the branch circuit receptacle load? a. 96000 b. 12, c. 32, d. 28,000 - ✔✔c. 32,000VA
An existing 400A 120/208v three-phase four-wire service has 30kVA of non-continuous load and 58kVA of continuous load. How much more continuous load can be added to the service a. 105.5kVA b. 143.93kVA c. 41,436VA d. 33,148VA - ✔✔d. 33,148VA A retail store has 22kVA of lighting which is at continuous operation. It also has (35) 20A 120V duplex receptacles. Both loads are fed from a 300A panelboard operating at 120/240V, single phase. How much more continuous load can be added to the service? a. 33,800VA b. 72,000VA c. 38,200VA d. 30,560VA - ✔✔d. 30,560VA A level 2 EVSE with a rating of 32A at 208V is installed. Of the following conductor sizes, which is the smallest that would meet NEC requirements for the installation? a. # b. # c. # d. #4 - ✔✔c. # Additional EVSEs are to be added to an existing 120/208v three-phase 4 wire 600A service with 220A non-continuous load and 172A continuous load. The EVSEs each draw 32A. How many new EVSEs may be added to the service? a. 1 b. c. d.7 - ✔✔b. 4
