ATC 104 301 Automotive Braking Systems:
Final Exam QUESTIONS AND VERIFIED
CORRECT SOLUTIONS || 100% GUARANTEED
PASS BRAND NEW VERSION
Brake fluid is leaking down the vacuum booster below the master cylinder.
Technician A says this is caused by a poorly installed lid. Technician B says this
is caused by a leaking master cylinder seal. Who is right?
A only.
B only.
Both A and B.
Neither A nor B.
Both A and B.
The brake pedal on a vehicle occasionally goes to the floor without applying the
brakes. At other times, the brakes work properly. Which of the following could be
the cause of intermittent loss of braking?
A sticking parking brake cable.
Dirt in the master cylinder.
Air in a wheel cylinder.
A defective power booster.
Dirt in the master cylinder.
The front brakes on a vehicle lock up when the pedal is lightly applied. Which of
the following is the least likely cause?
Defective proportioning valve.
Sticking calipers.
Brake pads contaminated.
,Leaking master cylinder primary piston seal.
Leaking master cylinder primary piston seal.
The red brake warning light is illuminated whenever the ignition switch is in the
On position. Which of the following is the least likely cause of the problem?
Leaking brake hose.
Stuck pressure differential valve.
Worn disc brake pads.
Stuck parking brake switch.
Worn disc brake pads.
The first step to take when confronted by a brake problem is to:
road test the vehicle.
check the lining and pad condition.
bleed the hydraulic system.
talk to the customer.
talk to the customer.
Containers of brake fluid should be tightly closed after use because brake fluid
tends to:
evaporate.
absorb water.
give off toxic fumes.
catch fire.
absorb water.
Under what conditions should brake fluid be reused?
If it has only been in the vehicle a short time.
If it is silicone-based fluid.
If it appears to be very clean.
It should never be reused.
It should never be reused.
, A diagonal split brake system has a leaking wheel cylinder. Technician A says
only the front brakes will still be working. Technician B says one rear and one
front brake will still be working. Who is right?
A only.
B only.
Both A and B.
Neither A nor B.
B only.
A low, soft brake pedal could indicate any of the following brake system defects,
except:
drum brakes adjusted too tight.
drum brakes adjusted too loose.
low brake fluid.
defective master cylinder seals.
drum brakes adjusted to tight.
Which of the following does not illuminate the red brake warning light on the
dashboard?
Low brake fluid switch.
Pad wear sensor.
Pressure differential valve.
Metering valve.
Metering valve.
The proportioning valve prevents skidding and lockup of which wheels during
hard stops?
Front.
Rear.
Front and rear.
Skid prevention is not the function of this valve.
Rear.
Final Exam QUESTIONS AND VERIFIED
CORRECT SOLUTIONS || 100% GUARANTEED
PASS BRAND NEW VERSION
Brake fluid is leaking down the vacuum booster below the master cylinder.
Technician A says this is caused by a poorly installed lid. Technician B says this
is caused by a leaking master cylinder seal. Who is right?
A only.
B only.
Both A and B.
Neither A nor B.
Both A and B.
The brake pedal on a vehicle occasionally goes to the floor without applying the
brakes. At other times, the brakes work properly. Which of the following could be
the cause of intermittent loss of braking?
A sticking parking brake cable.
Dirt in the master cylinder.
Air in a wheel cylinder.
A defective power booster.
Dirt in the master cylinder.
The front brakes on a vehicle lock up when the pedal is lightly applied. Which of
the following is the least likely cause?
Defective proportioning valve.
Sticking calipers.
Brake pads contaminated.
,Leaking master cylinder primary piston seal.
Leaking master cylinder primary piston seal.
The red brake warning light is illuminated whenever the ignition switch is in the
On position. Which of the following is the least likely cause of the problem?
Leaking brake hose.
Stuck pressure differential valve.
Worn disc brake pads.
Stuck parking brake switch.
Worn disc brake pads.
The first step to take when confronted by a brake problem is to:
road test the vehicle.
check the lining and pad condition.
bleed the hydraulic system.
talk to the customer.
talk to the customer.
Containers of brake fluid should be tightly closed after use because brake fluid
tends to:
evaporate.
absorb water.
give off toxic fumes.
catch fire.
absorb water.
Under what conditions should brake fluid be reused?
If it has only been in the vehicle a short time.
If it is silicone-based fluid.
If it appears to be very clean.
It should never be reused.
It should never be reused.
, A diagonal split brake system has a leaking wheel cylinder. Technician A says
only the front brakes will still be working. Technician B says one rear and one
front brake will still be working. Who is right?
A only.
B only.
Both A and B.
Neither A nor B.
B only.
A low, soft brake pedal could indicate any of the following brake system defects,
except:
drum brakes adjusted too tight.
drum brakes adjusted too loose.
low brake fluid.
defective master cylinder seals.
drum brakes adjusted to tight.
Which of the following does not illuminate the red brake warning light on the
dashboard?
Low brake fluid switch.
Pad wear sensor.
Pressure differential valve.
Metering valve.
Metering valve.
The proportioning valve prevents skidding and lockup of which wheels during
hard stops?
Front.
Rear.
Front and rear.
Skid prevention is not the function of this valve.
Rear.
