Homework Clinic
Hands-on Clinic => Skills and Trades => Topic started by: olgavictoria on Jun 23, 2018
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Two technicians are discussing the operation of a dual master cylinder. Technician A says that the push rod is connected to the primary piston. Technician B says that the secondary piston is pushed forward by the fluid trapped ahead of the primary piston. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
Question 2
What part causes the disc brake caliper piston to retract when the brakes are released?
A) The rotating rotor (disc) that pushes the piston back
B) The square cut O-ring
C) Return (retracting) spring
D) The caliper bushings
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Answer to Question 1
C
Answer to Question 2
B