Question

Tech A says that the secondary piston in a master cylinder is operated by hydraulic force. Tech B says that the tandem master cylinder has only one piston, but two seals. Who is correct?

Answer 1

Tech A is absolutely correct

Step-by-step explanation:

The principle of operation of a piston has to do mainly with the hydraulic force. So, the Tech A is correct, the secondary piston in a master cylinder is operated by "hydraulic force".