SOS Brake and Braking System Exam with Questions and Answers – 100% Solved
A car equipped with a vacuum assist power brake system reads an abnormal amount of pedal
effort to stop the car, which of the following could be the cause? - ✔✔✔-A plugged booster air
breather
A car has a spongy pedal. Which of the following could be the cause? - ✔✔✔-Air in the system.
A car has an excessive amount of pedal travel during brake application, which of he following
could be the cause? - ✔✔✔-Excessive clearance between the shoes and drum.
A car's wheels severely vibrate when the brakes are applied, which of the following is the LEAST
likely source of he problem? - ✔✔✔-The master cylinder
A cracked or torn vacuum diaphragm in a power booster would likely cause: - ✔✔✔-Hard pedal
with very high effort required
A customer complains that the brake pedal slowly moves to the floor when a steady pressure is
applied. There is no sign of fluid leakage. Which of the following is the most portable cause of
the problem? - ✔✔✔-A worn primary cup
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? - ✔✔✔-A plugged axle vent
A rattle is a single piston disc brake assembly which goes away when the brakes are applied is
most likely a result of: - ✔✔✔-Loose pads in the caliper
After drum brakes have been applied and released, the brake fluid returns to the master
cylinder reservoir. What causes it to return? - ✔✔✔-Brake shoe return springs
After putting a bearing race in a hub, you notice that the new race is loose and can spin in the
hub. What should you do? - ✔✔✔-Replace the hub
, SOS Brake and Braking System Exam with Questions and Answers – 100% Solved
All of the following are steps in the procedure for servicing a typical dual master cylinder,
EXCEPT: - ✔✔✔-Clean the master cylinder with a degreasing solvent
All of the following procedures, EXCEPT one describe the correct method for bleeding the
individual brakes on a car after the master cylinder has been bled: - ✔✔✔-The bleeding
sequence for all systems begins with the left rear wheel.
All of the following, EXCEPT one could cause the parking brakes to fail or not hold: - ✔✔✔-Air in
the system
An example of an incorrect procedure for replacing brake pads in a disc brake system is: - ✔✔✔-
Remove the piston from the caliper and clean all rust corrosion, and dirt
Compared to the secondary shoe lining areas of drum brakes, the primary shoe lining area is: -
✔✔✔-smaller and goes toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color.
What should you do? - ✔✔✔-flush the system before the new parts are installed
During a road test, you find that when normal breaking pressure is applied the pedal slowly
goes to the floor. What is the likely cause of this problem? - ✔✔✔-A leaking master cylinder
primary piston seal.
If a drum brake self-adjuster seizes up, the likely result will be: - ✔✔✔-A low pedal
If vacuum is present on both sides of the diaphragm in a brake booster: - ✔✔✔-The brakes are
being released
A car equipped with a vacuum assist power brake system reads an abnormal amount of pedal
effort to stop the car, which of the following could be the cause? - ✔✔✔-A plugged booster air
breather
A car has a spongy pedal. Which of the following could be the cause? - ✔✔✔-Air in the system.
A car has an excessive amount of pedal travel during brake application, which of he following
could be the cause? - ✔✔✔-Excessive clearance between the shoes and drum.
A car's wheels severely vibrate when the brakes are applied, which of the following is the LEAST
likely source of he problem? - ✔✔✔-The master cylinder
A cracked or torn vacuum diaphragm in a power booster would likely cause: - ✔✔✔-Hard pedal
with very high effort required
A customer complains that the brake pedal slowly moves to the floor when a steady pressure is
applied. There is no sign of fluid leakage. Which of the following is the most portable cause of
the problem? - ✔✔✔-A worn primary cup
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? - ✔✔✔-A plugged axle vent
A rattle is a single piston disc brake assembly which goes away when the brakes are applied is
most likely a result of: - ✔✔✔-Loose pads in the caliper
After drum brakes have been applied and released, the brake fluid returns to the master
cylinder reservoir. What causes it to return? - ✔✔✔-Brake shoe return springs
After putting a bearing race in a hub, you notice that the new race is loose and can spin in the
hub. What should you do? - ✔✔✔-Replace the hub
, SOS Brake and Braking System Exam with Questions and Answers – 100% Solved
All of the following are steps in the procedure for servicing a typical dual master cylinder,
EXCEPT: - ✔✔✔-Clean the master cylinder with a degreasing solvent
All of the following procedures, EXCEPT one describe the correct method for bleeding the
individual brakes on a car after the master cylinder has been bled: - ✔✔✔-The bleeding
sequence for all systems begins with the left rear wheel.
All of the following, EXCEPT one could cause the parking brakes to fail or not hold: - ✔✔✔-Air in
the system
An example of an incorrect procedure for replacing brake pads in a disc brake system is: - ✔✔✔-
Remove the piston from the caliper and clean all rust corrosion, and dirt
Compared to the secondary shoe lining areas of drum brakes, the primary shoe lining area is: -
✔✔✔-smaller and goes toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color.
What should you do? - ✔✔✔-flush the system before the new parts are installed
During a road test, you find that when normal breaking pressure is applied the pedal slowly
goes to the floor. What is the likely cause of this problem? - ✔✔✔-A leaking master cylinder
primary piston seal.
If a drum brake self-adjuster seizes up, the likely result will be: - ✔✔✔-A low pedal
If vacuum is present on both sides of the diaphragm in a brake booster: - ✔✔✔-The brakes are
being released
