Asvab Automotive & Shop Information!

The purpose of transmission is to ____.

• Route electricity from the battery to the spark plugs.

• Keep gas and air moving throughout the engine.

• Match the speed of the engine to the speed the driver sets.

• Keep the engine cool.

Pistons are ____.

• Solid cylinders or discs in an engine that move up and down.

• Suppliers of the initial source of energy for the car.

• Electrical transformers.

• Devices that take current from the ignition coil and send it to the spark plugs.

Water jackets can be found in which automotive system?

• Drive-train.

• Chassis.

• Cooling.

• Suspension.

Which components comprise a car's electrical system?

• Spark plugs, battery, ignition coils, coil pack.

• Pipes, muffler, catalytic converter.

• Water pump, radiator, pressure cap, thermostat.

• Battery, starter, solenoid, alternator.

About how many volts of power does the battery provide to electrical accessories in the car?

• 6.

• 12.

• 120.

• 6,000.

What component does a coil pack replace in modern vehicles?

• Distributor.

• Ignition coil.

• Starter.

• Generator.

The voltage regulator ____.

• Converts battery voltage.

• Helps eliminate power surges.

• Regulates voltage in the cooling system.

• Times spikes so they'll coincide with brownouts, to cancel each other out.

A type of engine that uses gasoline may be called a(n) ____.

• Diesel engine.

• External combustion engine.

• Internal combustion engine.

• Hydrogen engine.

What did older engines rely on to carry fuel to the engine?

• Gravity.

• Fuel pump.

• Fuel injectors.

• Electric filters.

Which of the following isn't a function of the exhaust system?

• Reduces the noise of an engine.

• Filters out dirt and rust particles in the fuel.

• Maintains performance.

• Reduces or eliminates harmful emissions.