Four Stroke Engine Overview

Convert____ energy to mechanical energy

• thermal
• electrical
• mechanical
• chemical

Energy contained in gasoline is turned into

• thermal energy
• Rotating energy

• chemical energy
• electrical energy

The crankshaft then converts the

• reciprocating

• oscillating motion.
• translational motion.
• linear motion.

Next, fuel is mixed with air in the..

• exhaust pipe
• carburetor
• radiator
• combustion chamber

Incoming air/fuel mixture and exhaust are controlled by

• camshaft

• pistons and crankshaft.
• spark plugs and fuel injectors.
• carburetor and muffler.

Requires four strokes of the....

• Piston

• Five strokes
• Three strokes
• Two strokes

Includes the following invents:

• power combustion

• compression stroke

• Intake stroke (main)

• Intake stroke, compression stroke, power combustion stroke, exhaust stroke

As the_____ turns, the piston moves downward

• crankshaft
• flywheel.
• camshaft.
• connecting rod.

Intake Stroke

• Intake Valve

• Exhaust Valve

• CrankShaft

• Piston

• Air/Fuel Mixture

As the crankshaft___ the piston starts to travel

• revolves
• rotates
• turns
• spins