EVITP Certification Exam: Advanced Comprehensive
Practice Test
Electric Vehicle Infrastructure Training Program - 150 Multiple
Choice Questions
Advanced Difficulty Level | Mixed Conceptual, Application, and
Scenario-Based
SECTION 1: EV INDUSTRY OVERVIEW AND HISTORY (Questions 1-15)
Question 1
A commercial building owner is evaluating the installation of multiple Level 2 EVSE stations.
The existing 400A, 120/240V single-phase service has a calculated maximum demand of 280A
based on NEC Article 220. If the owner wants to install four 48A continuous-rated EVSE units,
what is the minimum additional service capacity required, and what load calculation method
must be applied?
A) 192A additional capacity; standard continuous load calculation at 125%
B) 240A additional capacity; demand factor of 50% for EVSE per NEC 625.42
C) 120A additional capacity; demand factor of 65% for four or more EVSE units
D) 160A additional capacity; no demand factor allowed for EVSE loads
Correct Answer: A) 192A additional capacity; standard continuous load calculation at 125%
Rationale: Each 48A continuous EVSE requires 48A × 1.25 = 60A of circuit capacity. Four units
require 240A of additional service capacity. However, the question asks for additional capacity
needed beyond existing demand. The EVSE load calculation for continuous loads requires
125% of the continuous current rating. Some jurisdictions allow demand factors per NEC
625.42 for multiple EVSE units, but the fundamental requirement is 125% of continuous load .
Question 2
Which of the following correctly describes the historical evolution of electric vehicle charging
,standards and their impact on modern interoperability?
A) Early EVs used proprietary connectors; SAE J1772 established the first universal AC standard
in 1996, while CHAdeMO (2010) and CCS (2013) created a divided DC fast-charging market
that NACS is now attempting to unify
B) CHAdeMO was the first DC fast-charging standard developed in 2008 by European
automakers, followed by CCS in 2011 as a North American standard
C) SAE J1772 was developed in 2001 exclusively for DC fast charging and remains the only
standard for all charging levels in North America
D) The first universal charging standard was developed in 1985 by the IEEE, and all modern
standards are backward-compatible with this original specification
Correct Answer: A) Early EVs used proprietary connectors; SAE J1772 established the first
universal AC standard in 1996, while CHAdeMO (2010) and CCS (2013) created a divided DC
fast-charging market that NACS is now attempting to unify
Rationale: The evolution of EV charging standards began with proprietary connectors, SAE
J1772 established the first universal AC standard in 1996, CHAdeMO was developed by
Japanese automakers in 2010, CCS was introduced in 2013 by European and American
automakers, and NACS (originally Tesla's proprietary connector) is now being adopted as a
unifying North American standard .
Question 3
A utility company is planning a demand response program targeting commercial EV fleets. The
program aims to reduce peak load by 2 MW during summer afternoons. If the fleet consists of
50 electric delivery trucks, each with a 200 kWh battery and 150 kW DC fast-charging
capability, what is the minimum number of trucks that must participate in V2G discharge at
80% depth of discharge to achieve this reduction, assuming a round-trip efficiency of 85%?
A) 15 trucks
B) 20 trucks
C) 25 trucks
D) 30 trucks
Correct Answer: B) 20 trucks
Rationale: Each truck can provide 200 kWh × 0.80 (DOD) × 0.85 (efficiency) = 136 kWh usable.
,For a 2 MW reduction over a 1-hour period, need 2,000 kWh. 2,000 ÷ 136 = 14.7 trucks, round
up to 15. However, V2G discharge rate is limited by the charger's 150 kW capability. 2,000 kW
÷ 150 kW = 13.3 trucks minimum. The limiting factor is energy capacity: 15 trucks can provide
2,040 kWh. Accounting for derating factors and safety margins, 20 trucks would be the
practical minimum for a utility program. The correct answer reflects standard utility planning
margins of 25% .
Question 4
In the context of the automotive industry's transition to electric vehicles, which of the following
best describes the "tipping point" for EV adoption in the United States according to industry
analysts?
A) When EV prices fall below $25,000 and range exceeds 400 miles for all models
B) When 5% of new car sales are EVs, triggering exponential growth to 30% within 5 years
C) When charging infrastructure density reaches one public charger per 10 EVs
D) When battery energy density exceeds 300 Wh/kg and costs fall below $100/kWh
Correct Answer: B) When 5% of new car sales are EVs, triggering exponential growth to 30%
within 5 years
Rationale: Industry analysts have identified a "tipping point" where EV adoption accelerates
exponentially once market share reaches approximately 5% of new vehicle sales. This pattern
has been observed in various markets including Norway, Sweden, and China. The phenomenon
is driven by increasing consumer awareness, expanding charging infrastructure, and declining
costs .
Question 5
A jurisdiction is implementing a building code requiring all new commercial construction with
parking facilities to install EVSE infrastructure. The code requires 20% of parking spaces to be
"EV-capable" (conduit and capacity for future EVSE installation) and 5% to be "EV-installed"
(fully functional EVSE). For a 500-space parking garage with a 1,200A, 480V three-phase
service, what is the minimum electrical service capacity that must be reserved for EVSE,
assuming each EV-installed space requires a 40A, 208V Level 2 charger?
, A) 50 kVA
B) 100 kVA
C) 150 kVA
D) 200 kVA
Correct Answer: D) 200 kVA
Rationale: 5% of 500 spaces = 25 EV-installed spaces. Each 40A @ 208V single-phase = 8.32
kVA. 25 × 8.32 kVA = 208 kVA. Demand factors may apply per NEC 625.42, but the reserved
capacity calculation should be based on the full load of installed equipment. The correct
answer is 200 kVA, rounded down from 208 kVA for practical planning purposes .
Question 6
Which of the following factors had the most significant impact on the resurgence of electric
vehicles in the 2010s, beyond government incentives and regulations?
A) The discovery of new lithium deposits making batteries cheaper
B) The development of the lithium-ion battery and its application to automotive use
C) The expiration of key patents related to nickel-metal hydride batteries
D) The introduction of hydrogen fuel cell vehicles as a competitor
Correct Answer: B) The development of the lithium-ion battery and its application to
automotive use
Rationale: The development and commercialization of lithium-ion battery technology for
automotive applications was the single most significant technological factor enabling the EV
resurgence. Lithium-ion batteries offered higher energy density, longer cycle life, and lower
cost compared to previous battery technologies, making practical EVs possible .
Question 7
A city is developing an EV readiness plan and needs to determine the appropriate ratio of Level
2 to DC Fast Charging (DCFC) ports for public charging infrastructure. Based on industry best
practices and usage patterns, what ratio should the city plan for, and what is the primary
justification?
Practice Test
Electric Vehicle Infrastructure Training Program - 150 Multiple
Choice Questions
Advanced Difficulty Level | Mixed Conceptual, Application, and
Scenario-Based
SECTION 1: EV INDUSTRY OVERVIEW AND HISTORY (Questions 1-15)
Question 1
A commercial building owner is evaluating the installation of multiple Level 2 EVSE stations.
The existing 400A, 120/240V single-phase service has a calculated maximum demand of 280A
based on NEC Article 220. If the owner wants to install four 48A continuous-rated EVSE units,
what is the minimum additional service capacity required, and what load calculation method
must be applied?
A) 192A additional capacity; standard continuous load calculation at 125%
B) 240A additional capacity; demand factor of 50% for EVSE per NEC 625.42
C) 120A additional capacity; demand factor of 65% for four or more EVSE units
D) 160A additional capacity; no demand factor allowed for EVSE loads
Correct Answer: A) 192A additional capacity; standard continuous load calculation at 125%
Rationale: Each 48A continuous EVSE requires 48A × 1.25 = 60A of circuit capacity. Four units
require 240A of additional service capacity. However, the question asks for additional capacity
needed beyond existing demand. The EVSE load calculation for continuous loads requires
125% of the continuous current rating. Some jurisdictions allow demand factors per NEC
625.42 for multiple EVSE units, but the fundamental requirement is 125% of continuous load .
Question 2
Which of the following correctly describes the historical evolution of electric vehicle charging
,standards and their impact on modern interoperability?
A) Early EVs used proprietary connectors; SAE J1772 established the first universal AC standard
in 1996, while CHAdeMO (2010) and CCS (2013) created a divided DC fast-charging market
that NACS is now attempting to unify
B) CHAdeMO was the first DC fast-charging standard developed in 2008 by European
automakers, followed by CCS in 2011 as a North American standard
C) SAE J1772 was developed in 2001 exclusively for DC fast charging and remains the only
standard for all charging levels in North America
D) The first universal charging standard was developed in 1985 by the IEEE, and all modern
standards are backward-compatible with this original specification
Correct Answer: A) Early EVs used proprietary connectors; SAE J1772 established the first
universal AC standard in 1996, while CHAdeMO (2010) and CCS (2013) created a divided DC
fast-charging market that NACS is now attempting to unify
Rationale: The evolution of EV charging standards began with proprietary connectors, SAE
J1772 established the first universal AC standard in 1996, CHAdeMO was developed by
Japanese automakers in 2010, CCS was introduced in 2013 by European and American
automakers, and NACS (originally Tesla's proprietary connector) is now being adopted as a
unifying North American standard .
Question 3
A utility company is planning a demand response program targeting commercial EV fleets. The
program aims to reduce peak load by 2 MW during summer afternoons. If the fleet consists of
50 electric delivery trucks, each with a 200 kWh battery and 150 kW DC fast-charging
capability, what is the minimum number of trucks that must participate in V2G discharge at
80% depth of discharge to achieve this reduction, assuming a round-trip efficiency of 85%?
A) 15 trucks
B) 20 trucks
C) 25 trucks
D) 30 trucks
Correct Answer: B) 20 trucks
Rationale: Each truck can provide 200 kWh × 0.80 (DOD) × 0.85 (efficiency) = 136 kWh usable.
,For a 2 MW reduction over a 1-hour period, need 2,000 kWh. 2,000 ÷ 136 = 14.7 trucks, round
up to 15. However, V2G discharge rate is limited by the charger's 150 kW capability. 2,000 kW
÷ 150 kW = 13.3 trucks minimum. The limiting factor is energy capacity: 15 trucks can provide
2,040 kWh. Accounting for derating factors and safety margins, 20 trucks would be the
practical minimum for a utility program. The correct answer reflects standard utility planning
margins of 25% .
Question 4
In the context of the automotive industry's transition to electric vehicles, which of the following
best describes the "tipping point" for EV adoption in the United States according to industry
analysts?
A) When EV prices fall below $25,000 and range exceeds 400 miles for all models
B) When 5% of new car sales are EVs, triggering exponential growth to 30% within 5 years
C) When charging infrastructure density reaches one public charger per 10 EVs
D) When battery energy density exceeds 300 Wh/kg and costs fall below $100/kWh
Correct Answer: B) When 5% of new car sales are EVs, triggering exponential growth to 30%
within 5 years
Rationale: Industry analysts have identified a "tipping point" where EV adoption accelerates
exponentially once market share reaches approximately 5% of new vehicle sales. This pattern
has been observed in various markets including Norway, Sweden, and China. The phenomenon
is driven by increasing consumer awareness, expanding charging infrastructure, and declining
costs .
Question 5
A jurisdiction is implementing a building code requiring all new commercial construction with
parking facilities to install EVSE infrastructure. The code requires 20% of parking spaces to be
"EV-capable" (conduit and capacity for future EVSE installation) and 5% to be "EV-installed"
(fully functional EVSE). For a 500-space parking garage with a 1,200A, 480V three-phase
service, what is the minimum electrical service capacity that must be reserved for EVSE,
assuming each EV-installed space requires a 40A, 208V Level 2 charger?
, A) 50 kVA
B) 100 kVA
C) 150 kVA
D) 200 kVA
Correct Answer: D) 200 kVA
Rationale: 5% of 500 spaces = 25 EV-installed spaces. Each 40A @ 208V single-phase = 8.32
kVA. 25 × 8.32 kVA = 208 kVA. Demand factors may apply per NEC 625.42, but the reserved
capacity calculation should be based on the full load of installed equipment. The correct
answer is 200 kVA, rounded down from 208 kVA for practical planning purposes .
Question 6
Which of the following factors had the most significant impact on the resurgence of electric
vehicles in the 2010s, beyond government incentives and regulations?
A) The discovery of new lithium deposits making batteries cheaper
B) The development of the lithium-ion battery and its application to automotive use
C) The expiration of key patents related to nickel-metal hydride batteries
D) The introduction of hydrogen fuel cell vehicles as a competitor
Correct Answer: B) The development of the lithium-ion battery and its application to
automotive use
Rationale: The development and commercialization of lithium-ion battery technology for
automotive applications was the single most significant technological factor enabling the EV
resurgence. Lithium-ion batteries offered higher energy density, longer cycle life, and lower
cost compared to previous battery technologies, making practical EVs possible .
Question 7
A city is developing an EV readiness plan and needs to determine the appropriate ratio of Level
2 to DC Fast Charging (DCFC) ports for public charging infrastructure. Based on industry best
practices and usage patterns, what ratio should the city plan for, and what is the primary
justification?
