Question

technician a says the vacuum power booster contains a power chamber and control valve. technician b says there are two types of vacuum boosters a single diaphragm and a tandem diaphragm. who is correct? a) technician a b) technician b c) both technician a and b d) neither technician a or b

Explanation:

A vacuum power booster indeed has a power chamber and control valve (as per its basic structure). Also, there are two common types of vacuum boosters - single diaphragm and tandem diaphragm. So both Technician A and B are correct.

Answer:

C. Both Technician A and B