Which of the following statements is LEAST-Likely true?
A) Brake lines are usually made of double-walled steel tubing coated with a rust-preventative material.
B) When a driver depresses the brake pedal, the linkage applies force to the piston at the rear of the master cylinder.
C) A master cylinder has four ports for each piston.
D) A secondary seal prevents fluid from leaking from the back of the master cylinder bore.

Question

Quizplus · Accepted Answer

A master cylinder typically does not have four ports for each piston. Master cylinders commonly have one or two ports per piston, which are used for fluid inlet and outlet. The number of ports is designed to manage the hydraulic pressure efficiently, not as many as four per piston, making this statement the least likely to be true.

Which of the Following Statements Is LEAST-Likely True