Across
- 5. what might happen if a spark is delivered with open valves
- 6. this connects the crankshaft with the
- 7. in what direction does the piston turn
- 9. the stroke where only the intake valve is closed
- 10. the stroke when the electrical signal is delivered
- 11. this stroke is also known as the "bang" stroke
- 12. the stroke where fuel and gas enters the cylinder
- 13. what mechanism controls the timing
Down
- 1. this mechanism closes the valves
- 2. the colour of smoke when the electrical signal is delivered late
- 3. this opens the valves
- 4. this increases when a gas is heated
- 8. how many times can the piston revolve per minute