Producing rapid burning that will cause a sudden, explosive release of heat energy to run the engine.
Creating new molecular structures to run the engine
Increasing the gasoline's octane number to run the engine.
Stop, go, off, on, reverse
Ignites readily, burns cleanly, resists detonation, vaporizes easily, and must be free of dirt or abrasives
Ignites slowly, burns with debris, attracts detonation, vaporizes with difficulty, full of dirt and abrasives
A lot of fuel
High octane fuel
Low octane fuel
It increased the gasoline's octane number.
It decreased the gasoline's octane number.
It made no change to the gasoline's octane number
To save money
To reduce the amount of gas needed for automobiles
To provide fuel for automobiles equipped with catalytic converters
Gasoline with alcohol blends can cause cars to stop running.
Gasoline with alcohol blends can absorb moisture, corrode fuel tank linings, shrink carburetor floats and seals, increase carbon deposits and pit metal parts.
Gasoline with alcohol blends might increase drunk driving accidents.
Stone, aluminum foil
Cast iron, aluminum alloy
When cylinder block is cast iron
When cylinder block is aluminum
When cylinder block is stone
To provide a suitable surface for cylinder wall. Aluminum would wear out quickly
To warm the cylinder wall
To add weight and security to the cylinder wall
For speed and agility
For efficient air circulation and heat control
To provide more air in the combustion chamber
To aid style and appearance to the piston
To provide efficient flow of gases entering and leaving the combustion chamber
Camshaft gear is slight larger
Camshaft gear is twice as large
Crankshaft gear is slightly larger
Speed, durability and finese
Stop, go, go again
During non-power strokes the flywheel keeps the crankshaft spinning and smoothes engine operation; its metal fins act like a fan to cool the engine; and its magnets produce electrical current for the ignition system.