Engine 2014: General Subjects

1. A A conventional solenoid valve is either open or closed, whereas a modulating valve can achieve any degree of opening.
2. B A modulating valve is either open or closed, whereas a conventional solenoid valve can achieve any degree of opening.
3. C A conventional solenoid valve is either open or closed, whereas a modulating valve has three positions: open, closed, or half-open.
4. D A modulating valve is either open or closed, whereas a conventional solenoid valve has three positions: open, closed, or half-open.

Tip: press A-D to answer