Vehicle Basics Flashcards

What is the main purpose of a vehicle's transmission system?

Answer: To transfer engine power to the wheels at varying speed ratios

The transmission adjusts the gear ratio between the engine and wheels for efficient operation at different speeds.

Why is it important to check tire pressure regularly?

Answer: To improve fuel economy, handling, and safety

Proper tire pressure affects fuel efficiency, vehicle handling, braking distance, and tire lifespan.

What is the function of the vehicle's catalytic converter?

Answer: To reduce harmful emissions by converting toxic exhaust gases into less harmful substances

The catalytic converter treats exhaust gases to reduce pollutants like carbon monoxide, hydrocarbons, and nitrogen oxides.

What should be done if the brake pedal feels spongy or requires more pressure than usual?

Answer: Have the brake system inspected immediately

A spongy brake pedal indicates air in the brake lines, low brake fluid, or worn components requiring immediate attention.

What does the acronym ABS stand for in vehicle safety systems?

Answer: Anti-lock Braking System

ABS prevents wheel lockup during hard braking, allowing the driver to maintain steering control.

What type of fuel should be used in a vehicle designed for unleaded gasoline?

Answer: Only the octane rating recommended by the manufacturer

Using the manufacturer-recommended octane rating ensures optimal performance and prevents engine damage.