ASVAB Auto and Shop information Study Questions with COMPLETE SOLUTION

Mixture of Gas and Air (the fuel mixture) - What does the Internal Combustion engine burn? 1. Intake 2. Compression 3. Power 4. Exhaust - What are the 4 strokes that make up a cycle? (in car engine) Intake - This valve opens as the connecting rod pulls the piston down, drawing the gas/air mix into the cylinder Compression - The valves are closed. The connecting rod pushes the piston up, compressing gas/air mix Power - The spar plug ignites the gas/air mix, forcing the piston down. That pushes down on the connecting rod, turning the crankshaft; the crankshaft turns the flywheel, which keeps the engine going Exhaust - The ___ valve opens as the connecting rod moves the piston back up, pushing out the exploded gases. The valves are times, of course, using pus rods attached to the camshaft. Inline - The name for cylinders that are arranged in one row