QUESTIONS AND VERIFIED ANSWERS;
100% CORRECT; GRADE A
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? - correct
answer- A plugged booster air breather
A car has a spongy pedal. Which of the following could be
the cause? - correct answer- Air in the system.
A car has an excessive amount of pedal travel during
brake application, which of he following could be the
cause? - correct answer- 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? - correct answer- The master
cylinder
,A cracked or torn vacuum diaphragm in a power booster
would likely cause: - correct answer- 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? - correct answer-
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? - correct answer- 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: - correct answer- 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? - correct answer- 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? - correct answer- Replace the hub
All of the following are steps in the procedure for
servicing a typical dual master cylinder, EXCEPT: -
correct answer- 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: - correct
answer- 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: - correct answer- Air
in the system