SOS Mechanic Certification- Brakes Exam with 80
QUESTIONS AND correct Answers LATEST 2024.
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel? - 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: - 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: - 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: - 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? -
ANSWER >>> A plugged axle
Which of the following incorrect service procedures will cause brake
lock-up? - ANSWER >>> master cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized an
ABS system? - 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: - ANSWER >>>
, technician use the parking brake to adjust shoes and the cable is
stuck
When turning brake drums: - ANSWER >>> use a dampening strap to
reduce chatter
Which of the following is NOT a necessary drum brake measurement?
- ANSWER >>> run-out
On a 3-channel system, which wheels are on the same circuit? -
ANSWER >>> both rear wheels
One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter. - ANSWER >>> AC volts
The key input for the ABS control module comes from the: - ANSWER
>>> wheel speed sensors
ABS speed sensor and sensor rings: - ANSWER >>> should not be
hammered or tapped on and should always be replaced as a matched
set
Flexible brake hoses should be replaced: - ANSWER >>> when
dampness is evident on the hose
Which of the following should be used to check for rotor thickness
variation: - ANSWER >>> Micrometer
After rebuilding a master cylinder, the rod between the master cylinder
and booster should be: - 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? - ANSWER >>> silicone fluid added
to the system
QUESTIONS AND correct Answers LATEST 2024.
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel? - 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: - 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: - 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: - 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? -
ANSWER >>> A plugged axle
Which of the following incorrect service procedures will cause brake
lock-up? - ANSWER >>> master cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized an
ABS system? - 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: - ANSWER >>>
, technician use the parking brake to adjust shoes and the cable is
stuck
When turning brake drums: - ANSWER >>> use a dampening strap to
reduce chatter
Which of the following is NOT a necessary drum brake measurement?
- ANSWER >>> run-out
On a 3-channel system, which wheels are on the same circuit? -
ANSWER >>> both rear wheels
One way to test an ABS wheel speed signal is to use _____ on your
digital multimeter. - ANSWER >>> AC volts
The key input for the ABS control module comes from the: - ANSWER
>>> wheel speed sensors
ABS speed sensor and sensor rings: - ANSWER >>> should not be
hammered or tapped on and should always be replaced as a matched
set
Flexible brake hoses should be replaced: - ANSWER >>> when
dampness is evident on the hose
Which of the following should be used to check for rotor thickness
variation: - ANSWER >>> Micrometer
After rebuilding a master cylinder, the rod between the master cylinder
and booster should be: - 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? - ANSWER >>> silicone fluid added
to the system
