The normal operation of a dual-piston master cylinder is being discussed. Technician A says the secondary piston is moved by the pushrod. Technician B says the primary piston produces the pressure to move the secondary piston. Who is correct?

Question

Quizplus · Accepted Answer

The primary piston in a dual-piston master cylinder is directly actuated by the pushrod, and it is the pressure created by the primary piston when it moves that causes the secondary piston to move. Technician A is incorrect because the pushrod does not directly move the secondary piston.

The Normal Operation of a Dual-Piston Master Cylinder Is Being