EV Safety Quiz 1

What is the primary hazard associated with electric vehicle battery safety?

• Overheating

• Undercharging

• Overcooling

• Physical impacts

When responding to an electric vehicle fire, what is the recommended type of extinguisher?

• Water

• CO2

• Dry chemical

• Class D

What is a crucial step to take before performing maintenance on an electric vehicle's high voltage system?

• Disconnect the vehicle from the charging station

• Ensure the vehicle is in a well-ventilated area

• Isolate the high voltage battery

• Wear rubber gloves

Which of the following is NOT a recommended safety practice at charging stations?

• Using a charging cable that is not certified

• Keeping the charging area clear of water

• Following the manufacturer's instructions for charging

• Inspecting the charging cable for damage before use

What should you do if you encounter a hybrid vehicle accident as a first responder?

• Immediately remove the occupants

• Secure the vehicle and disable the high voltage system

• Spray water on the vehicle to prevent fire

• Open the hood to disconnect the battery

Why is it important to avoid direct water contact with electric vehicle batteries?

• It can cause the battery to discharge rapidly

• It increases the risk of electrocution

• It can lead to corrosion

• Both A and B

What is the main reason for ensuring proper ventilation when charging an electric vehicle?

• To prevent overheating of the charging equipment

• To reduce the risk of explosion from battery gases

• To improve charging speed

• To prevent the accumulation of dust

Which of the following is a sign that an electric vehicle's battery may be damaged and pose a safety risk?

• The battery charges more quickly than usual

• The vehicle's range decreases significantly

• Swelling or deformation of the battery case

• The battery makes a slight humming noise during charging

What is the primary concern when dealing with a submerged electric vehicle?

• Immediate retrieval of the vehicle

• Risk of chemical leakage from the battery

• Electrical shock hazard

• Damage to the vehicle's paint

During high voltage system maintenance, what is the minimum recommended distance to maintain from the vehicle for bystanders?

• 2 feet

• 5 feet

• 10 feet

• No specific distance as long as they do not touch the vehicle