ASE A5 Exam: Questions & Answers (Brakes)

ASE A5 Exam: Questions & Answers (Brakes)
Technician A says that any imperfection found in a phenolic caliper
piston warrants replacement. Technician B says that a phenolic caliper
piston should be protected with a block of wood when installing it into
the caliper bore with a C-clamp. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
(> - The correct answer is B. A phenolic piston should be protected to
keep it from being damaged when a C-clamp is used. Technician A is
wrong because minor surface imperfections are OK provided they do
not enter the dust boot groove area.
Which of the following should be used to measure the thickness of a
scored rotor?
A. Vernier caliper
B. Outside micrometer with flat anvil and spindle
C. Inside micrometer
D. Outside micrometer with pointed anvil and spindle
(> - The correct answer is D. AN outside micrometer with a pointed anvil
and spindle is a disc brake micrometer. unlike a standard micrometer