1
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SOS Mechanic Certification- Brakes
Questions and Answers (100% Correct
Answers) Already Graded A+
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel?— Ans: Sealed non-
serviceable
to test a vacuum power brake booster in the vehicle, you should
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pump the brake pedal at least 4 times, hold the brake pedal
depressed, and start the engine. the brake pedal should:— Ans:
drop slightly and remain firm
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You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is:— Ans: Smaller and
goes towards the front of the car.
A cracked or torn vacuum diaphragm in a brake power booster
would most likely cause:— Ans: a hard pedal feel requiring very
high pedal effort to stop
A mechanic finds gear lube inside both rear brake drums on a
rear wheel drive vehicle. What is the most likely cause of this
problem?— Ans: A plugged axle
Which of the following incorrect service procedures will cause
brake lock-up?— Ans: master cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized
an ABS system?— Ans: Pump the brake pedal at least 25 times
(or more, depending on the manufacturer's recommendation)
with the ignition off.
The rear brakes are dragging after having new linings installed
and the drums machined. the most likely cause is the:— Ans:
technician use the parking brake to adjust shoes and the cable is
stuck
, 2
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When turning brake drums:— Ans: use a dampening strap to
reduce chatter
Which of the following is NOT a necessary drum brake
measurement?— Ans: run-out
On a 3-channel system, which wheels are on the same circuit?—
Ans: both rear wheels
One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter.— Ans: AC volts
The key input for the ABS control module comes from the:— Ans:
wheel speed sensors
ABS speed sensor and sensor rings:— Ans: should not be
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hammered or tapped on and should always be replaced as a
matched set
Flexible brake hoses should be replaced:— Ans: when dampness
Guru01 - Stuvia
is evident on the hose
Which of the following should be used to check for rotor thickness
variation:— Ans: Micrometer
After rebuilding a master cylinder, the rod between the master
cylinder and booster should be:— Ans: adjusted properly
Upon inspecting brake fluid condition, the technician observes the
diaphragm in the master cylinder cup is swollen. Which of the
following is the most likely cause?— Ans: silicone fluid added to
the system
When inspecting brake fluid levels, a technician observes low fluid
levels. which of the following should be done first?— Ans: Inspect
disc brake pads for excessive wear
Which of the following is true about most properly functioning anti-
lock brake systems?— Ans: The brakes may lock up at speeds less
than 10 miles per hour
Which of the following is true about bleeding brake lines on most
ABS equipped vehicles?— Ans: Most ABS brake lines can be bled
For Expert help and assignment solutions, +254707240657
SOS Mechanic Certification- Brakes
Questions and Answers (100% Correct
Answers) Already Graded A+
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel?— Ans: Sealed non-
serviceable
to test a vacuum power brake booster in the vehicle, you should
© 2025 Assignment Expert
pump the brake pedal at least 4 times, hold the brake pedal
depressed, and start the engine. the brake pedal should:— Ans:
drop slightly and remain firm
Guru01 - Stuvia
You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is:— Ans: Smaller and
goes towards the front of the car.
A cracked or torn vacuum diaphragm in a brake power booster
would most likely cause:— Ans: a hard pedal feel requiring very
high pedal effort to stop
A mechanic finds gear lube inside both rear brake drums on a
rear wheel drive vehicle. What is the most likely cause of this
problem?— Ans: A plugged axle
Which of the following incorrect service procedures will cause
brake lock-up?— Ans: master cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized
an ABS system?— Ans: Pump the brake pedal at least 25 times
(or more, depending on the manufacturer's recommendation)
with the ignition off.
The rear brakes are dragging after having new linings installed
and the drums machined. the most likely cause is the:— Ans:
technician use the parking brake to adjust shoes and the cable is
stuck
, 2
For Expert help and assignment solutions, +254707240657
When turning brake drums:— Ans: use a dampening strap to
reduce chatter
Which of the following is NOT a necessary drum brake
measurement?— Ans: run-out
On a 3-channel system, which wheels are on the same circuit?—
Ans: both rear wheels
One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter.— Ans: AC volts
The key input for the ABS control module comes from the:— Ans:
wheel speed sensors
ABS speed sensor and sensor rings:— Ans: should not be
© 2025 Assignment Expert
hammered or tapped on and should always be replaced as a
matched set
Flexible brake hoses should be replaced:— Ans: when dampness
Guru01 - Stuvia
is evident on the hose
Which of the following should be used to check for rotor thickness
variation:— Ans: Micrometer
After rebuilding a master cylinder, the rod between the master
cylinder and booster should be:— Ans: adjusted properly
Upon inspecting brake fluid condition, the technician observes the
diaphragm in the master cylinder cup is swollen. Which of the
following is the most likely cause?— Ans: silicone fluid added to
the system
When inspecting brake fluid levels, a technician observes low fluid
levels. which of the following should be done first?— Ans: Inspect
disc brake pads for excessive wear
Which of the following is true about most properly functioning anti-
lock brake systems?— Ans: The brakes may lock up at speeds less
than 10 miles per hour
Which of the following is true about bleeding brake lines on most
ABS equipped vehicles?— Ans: Most ABS brake lines can be bled
