Question

question 2
technician a states that an idle air control valve is an example of a pulse - width modulated solenoid valve. technician b states that
a pulse - width modulated solenoid valve can vary the degree to which the valve is open. which technician is correct?
a technician a
b technician b
c both technicians a and b
d neither technician a nor b

Explanation:

• An idle air control valve is indeed an example of a pulse - width modulated solenoid valve.
• Pulse - width modulated solenoid valves can vary the degree to which the valve is open by changing the duty cycle of the electrical signal (the proportion of time the valve is on within a given cycle).

Answer:

C. Both technicians A and B