Practice question
Top dead centre (TDC) on the compression stroke is identified when the piston is at the top of the cylinder and:
- Both valves are fully open
- Both valves are closed and the timing marks align
- The exhaust valve is open
- The engine is at operating temperature
Answer: B — Both valves are closed and the timing marks align
The correct answer is shown above. Try the full quiz for additional practice.
Practice more: Red Seal Motorcycle Technician Practice Questions - Red Seal Motorcycle Technician (Interprovincial Red Seal Exam) Exam →