EVITP EV Technology Fundamentals

Question 1

What are the main types of EV batteries?

Accepted Answer

Lithium-ion (Li-ion) in various chemistries like NMC, LFP, and NCA

Answer

Lead-acid only

Answer

Nickel-cadmium only

Answer

Alkaline batteries

Question 2

What is regenerative braking in EVs?

Accepted Answer

Converting kinetic energy back to electrical energy during deceleration to recharge the battery

Answer

Using traditional brake pads

Answer

A parking brake feature

Answer

An emergency braking system

Question 3

What is battery thermal management?

Accepted Answer

Systems to maintain optimal battery temperature for performance and longevity

Answer

Air conditioning for the cabin

Answer

Engine cooling

Answer

Tire pressure monitoring

Question 4

What is the typical range of a modern EV?

Accepted Answer

200-300+ miles on a full charge depending on battery size and efficiency

Answer

50 miles maximum

Answer

500+ miles standard

Answer

Under 100 miles

Question 5

What is State of Charge (SOC)?

Accepted Answer

The remaining battery capacity as a percentage of total capacity

Answer

The charging speed

Answer

The voltage level

Answer

The battery temperature

Question 6

What is battery degradation?

Accepted Answer

Gradual loss of battery capacity over time and charging cycles

Answer

Battery explosion

Answer

Immediate failure

Answer

A recall issue