The period when both inlet valves and exhaust valves are open is referred to as （）.
举一反三
- What is the purpose of the intake/exhaust valves in a diesel engine? （）
- At the bottom dead center (BDC), the piston moves back up, compressing the trapped fuel-air mixture in the cylinder with both intake and exhaust valves closed．
- Some high-performance engine have two separate camshafts , one for each set of inlet and exhaust valves . These engines are known as dual overhead-camshaft ( ) engine . A: DOHC B: ESP C: diesel D: EFI
- The camshaft is used to open and close the valves with the motion of the pistons.
- Vegetations are most common on A: the tricuspid valves B: the pulmonary valves C: the mitral and aortic valves D: the right atrial appendage