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SOS Mechanic Certification- Brakes EXAM AND PRACTICE EXAM NEWEST ACTUAL EXAM COMPLETE 300 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Most 1995 & newer vehicles use which of the following types of wheels bearings on no

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SOS Mechanic Certification- Brakes EXAM AND PRACTICE
EXAM NEWEST ACTUAL EXAM COMPLETE 300 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+

Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel? - CORRECT ANSWER
Sealed non-serviceable

to test a vacuum power brake booster in the vehicle, you should pump
the brake pedal at least 4 times, hold the brake pedal depressed, and
start the engine. the brake pedal should: - CORRECT ANSWER
drop slightly and remain firm

You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is: - CORRECT
ANSWER Smaller and goes towards the front of the car.

A cracked or torn vacuum diaphragm in a brake power booster would
most likely cause: - CORRECT ANSWER 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? -
CORRECT ANSWER A plugged axle

Which of the following incorrect service procedures will cause brake
lock-up? - CORRECT ANSWER master cylinder push rod adjusted
too long

,Which of the following describes the proper way to depressurized an
ABS system? - CORRECT ANSWER 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: - CORRECT ANSWER
technician use the parking brake to adjust shoes and the cable is
stuck

When turning brake drums: - CORRECT ANSWER use a
dampening strap to reduce chatter

Which of the following is NOT a necessary drum brake measurement? -
CORRECT ANSWER run-out

On a 3-channel system, which wheels are on the same circuit? -
CORRECT ANSWER both rear wheels

One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter. - CORRECT ANSWER AC volts

The key input for the ABS control module comes from the: -
CORRECT ANSWER wheel speed sensors

ABS speed sensor and sensor rings: - CORRECT ANSWER should
not be hammered or tapped on and should always be replaced as a
matched set

Flexible brake hoses should be replaced: - CORRECT ANSWER
when dampness is evident on the hose

Which of the following should be used to check for rotor thickness
variation: - CORRECT ANSWER Micrometer

,After rebuilding a master cylinder, the rod between the master cylinder
and booster should be: - CORRECT ANSWER 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? - CORRECT ANSWER 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? - CORRECT
ANSWER Inspect disc brake pads for excessive wear

Which of the following is true about most properly functioning anti-lock
brake systems? - CORRECT ANSWER 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? - CORRECT ANSWER Most ABS brake lines
can be bled like a conventional (non-ABS) system. However, caution
must be taken because of the extreme pressure.

Most anti-lock brake systems require the removal of the pressure
modulator fuse when: - CORRECT ANSWER a "spaced-saver"
spare tire is being used and mismatched tires are being installed

What does a load sensing proportioning valve do? - CORRECT
ANSWER It increases the hydraulic pressure during braking at the
rear wheel cylinders when the vehicle is loaded

The brakes of a car squeal each time they are applied, which of the
following is the LEAST likely source of the noise? - CORRECT
ANSWER Glazed brake pads

Which of the following is a true statement about proportioning valves?
- CORRECT ANSWER They provide better braking balance during
hard stops

, A properly functioning load sensing proportioning valve will: -
CORRECT ANSWER cause an increase in the hydraulic pressure
during braking at the rear wheel cylinders when the vehicle is loaded.

Why don't disc brake system usually need adjustment? - CORRECT
ANSWER A certain amount of pressure is maintained by the
metering valve

The front brakes of a car equipped with disc brakes in the front and
drum brakes in the rear, grab quickly as light pressure is applied to the
brake pedal, which of the following could be the cause of the problem?
- CORRECT ANSWER Defective metering valve

The brake warning light on the dash stays on all the time, which of the
following could be the cause of the problem? - CORRECT ANSWER
A problem in the hydraulic circuit

Which of the following would be the LEAST likely cause for an
intermittent problem in an ABS system? - CORRECT ANSWER
Open wheel sensor circuit

The brake lights on a car do not light when the brake pedal is
depressed, which of the following is the LEAST likely cause of the
problem? - CORRECT ANSWER A burned out bulb.

Which of the following incorrect service procedures could cause brake
pedal pulsation? - CORRECT ANSWER incorrect run-out on the
car brake lathe

What type of rotor surface provides the best braking with new pads? -
CORRECT ANSWER A smooth, flat surface

which of the following is a quick way to isolated a defective master
cylinder? There are no external leaks in the system. - CORRECT

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SOS Mechanic Certification- Brakes EXAM AND PRACTICE EXAM NEWEST ACTUAL EXAM COMPLETE 300 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Most 1995 & newer vehicles use which of the following types of wheels bearings on no

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