Do You Know How a Car Works?

By: rebecca stigall
Image: YouTube

About This Quiz

You press on the gas pedal and your car goes vroom. But do you know what really makes it work? Test your knowledge about the basics of auto mechanics.

Which basic auto part stops your car?

Ok, this one is a no-brainer. Use your brakes to stop your car.

What little car part squirts gasoline into the engine?

Fuel injectors squirt gasoline into the engine of a car.

Which car part helps you shift gears?

The clutch enables you to switch gears. You may not even notice the clutch if you drive an automatic.

What independent power source powers your car's electrical system?

The battery powers the electrical system. That makes your cool gadgets work.

What large car part helps cool the engine?

Your radiator circulates water through the engine to help keep it from overheating. Never open a radiator when it's hot!

What system handles the by-products of combustion?

Your car's exhaust system manages the waste products of combustion. These waste products are funneled out of the vehicle.

Brakes are found on how many of a car's wheels?

Brakes are located on all four wheels. They are often operated by a hydraulic system.

Without what car part might your car be too loud?

Your car's muffler muffles most of the noise. Your car stereo is a separate issue.

Which of the following car parts helps ignite fuel in the engine?

Spark plugs makes sparks that ignite fuel to make energy in the engine.

What car part circulates coolant throughout the air conditioning system?

The compressor circulates coolant throughout the air conditioning system. That's a basic and important function.

Which car part helps give you a smoother ride?

Shock absorbers do what they say... they absorb the shock caused by bumps and chuckholes.

Calipers are part of what system?

Calipers are part of the brake system. Calipers straddle the disc.

What fluid is used to lubricate the many parts of an engine?

Oil is used to lubricate engine parts. Running with no oil can permanently damage an engine.

Which car part turns energy into movement?

The transmission receives energy and disburses it to the wheels via other parts. The transmission is part of the powertrain.

Which car part, considered part of the exhaust system, is responsible for reducing your car's harmful emissions?

The catalytic converter helps reduce harmful vehicle emissions. In many states, vehicles without a converter are not street legal.

Which car part helps charge your car's battery?

The alternator helps charge your car's battery. The alternator works while your car is running.

Automobiles have what type of engine?

Automobiles operate on internal combustion engines. Combustion means fire.

Which of the following is NOT a common engine layout?

Common engine layouts include in-line, V-8, and horozontally-opposed. Four-cylinder engines are often in-line, or straight.

Cars with engines of greater than 2,000cc typically have how many cylinders?

Cars with engines of greater than 2,000cc typically have six cylinders. They are arranged in line, or straight.

Which of the following engines might have a V-shaped cylinder arrangement?

A 12-cylinder engine would use a v-shaped arrangement. Some six-cylinder engines may also use a v-shaped arrangement.

Gas is mixed with air inside which car part?

Gas is mixed with air inside the carburetor. This is where combustion begins.

In a four-cylinder engine, what valve firing order might be present?

Engine valves do not fire in order. Ordered firing causes too much vibration.

Which car part pulls fuel out of the tank and into the carburetor?

A fuel pump pulls fuel out of the tank and into the carburetor. The fuel mixes with air in the carburetor.

What component of a fuel system signals the amount of gasoline available in the tank?

The float tells your car how much gas is in the tank. The float, as the name implies, floats within the tank.

Which system helps you make turns?

Your car's steering system helps you make turns. It makes turning the wheels far easier than if you had to do it manually.

Which accessory would you use to activate your car's starter?

You use your ignition key to activate your car's starter. This tells your car to feed power to the starting system.

What type of system is a car's electrical system?

Your car's electrical system is a closed-circuit system. Very little power is needed to make it work.

Which of the following is NOT part of your car's electrical system?

A float is not part of a car's electrical system. It is part of the fuel system.

Which of the following is NOT a type of car spring?

Automobiles have leaf springs and coil springs. They are typically made of steel.

What part keeps a car's springs from bouncing all the time?

Shock absorbers keep a car's springs from bouncing all the time. Shock absorbers are sometimes called dampers.

Which type of brakes is typically more efficient?

Disc brakes are considered more efficient than drum brakes. That's why most front brakes are disc brakes.

What causes pressure to build up in the brake system to help activate the brakes?

Fluid causes pressure to build up in the brake system to help activate the brakes. Always check your brake fluid to ensure your brakes work properly.

Which type of brake uses pads?

Disc brakes use pads. The pads are pushed against the disc to stop the car.

What type of brakes use shoes?

Drum brakes use shoes. Drum brakes may overheat if applied too often in a short period of time.

Why do we use petroleum-based fuels to power cars?

We use petroleum-based fuels to operate cars because they provide more energy. More energy means faster cars.

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