Brakes mechanic practice test
with comprehensive Questions With
sure answers 100%
1.The amount of asbestos in brake friction material is being restricted
because______. - ANSWER It is a health hazzard
2. What type of binder is used in all brake friction materials? - ANSWER Phenolic
resin
3. An edge code reading for coefficient of friction is EF. This means______. -
ANSWER The coefficient of friction is higher when the brakes are hot
4. Brake pads and linings that use synthetic material such as aramid fibers instead
of steel are usually referred to as_____________. - ANSWER NAS
4. What can the driver do to reduce the possibility of brake fade caused by heat? -
ANSWER Select lower transmission gear
5.Brake fade can occur due to_______. - ANSWER Mechanical Fade
Gas Fade
Water Fade
6, Why is copper being reduced in brake friction materials? - ANSWER It can
effect life in rivers and streams
7. The lowest level of copper in brake friction material is shown on the leaf mark
as________. - ANSWER Three leafs
8. Disc brake pads can reach temperatures as high as _________. - ANSWER
1,800 F
9. Two technicians are discussing master cylinders. Technician A says that it is
normal to see fluid movement in
the reservoir when the brake pedal is depressed. Technician B says a defective
master cylinder can cause the
,brake pedal to slowly sink to the floor when depressed. Which technician is
correct? - ANSWER Both
10.If the brake pedal linkage is not adjusted correctly, brake fluid may not be able
to expand back into the
reservoir through the ________________ port of the master cylinder when the
brakes get hot. - ANSWER Vent port (Forward hole)
11. The primary brake circuit fails due to a leak in the lines, leaving the rear
section of a dual split master
cylinder. Technician A says that the driver will notice a lower than normal brake
pedal and some reduced
braking power. Technician B says that the brake pedal will "grab" higher than
normal. Which technician is
correct? - ANSWER Tech A
12. Two technicians are discussing a problem where the brake pedal travels too far
before the vehicle starts to
slow. Technician A says that the brakes may be out of adjustment. Technician B
says that one circuit from
the master cylinder may be leaking or defective. Which technician is correct? -
ANSWER Both
13. Air in the lines will cause what type of problem? - ANSWER Low spongy
brake pedal
14. The master cylinder is able to move about how much brake fluid during each
brake application? - ANSWER One teaspoon
15.Disc brakes use replaceable friction material called __________. - ANSWER
Pads
16. Drum brakes use replaceable friction material called ________. - ANSWER
Shoes
17. Technician A says that a power-assisted brake reduces stopping distances
compared with a non-power-assisted brake system. Technician B says that the
power-assisted brake system reduces the force that the driver must exert on the
brake pedal. Which technician is correct? - ANSWER Tech B
,18. What is the color of the antilock brake system (ABS) warning lamp? -
ANSWER Amber
19. If a vehicle is equipped with antilock brakes, this means that __________ . -
ANSWER The vehicle will be able to be steered during hard braking
20. The FMVSS 135 standards determine ____________. - ANSWER The
performance of the braking system
21. An owner of a vehicle equipped with ABS brakes complained that whenever he
tried to stop on icy or slippery roads, the brake pedal would pulse up and down
rapidly. Technician A says that this is normal for many ABS units. Technician B
says that the ABS unit is malfunctioning. Which technician is correct? - ANSWER
Tech A
21. Electric adjustable pedals operate___. - ANSWER Both accelerator and brake
pedal
22. All of the following are specified by the FMVSS 135 except
________________. - ANSWER Brake noise level
23. What is the purpose of any brake repair? - ANSWER Restore new-like
performance
24. Which Greek letter is used to represent the coefficient of friction? - ANSWER
Mu (μ)
25. Brake fluid pressure is measured in what unit? - ANSWER PSI
26. How much brake fluid is in a typical master cylinder reservoir? - ANSWER
Enough to allow all brakes to be completely worn
What part in the master cylinder helps keep air from contacting the brake fluid yet
allows the fluid level to drop
as the disc brakes wear? - ANSWER Rubber diaphragm or floating disc
27. Technician A says that the brake fluid level should not be filled higher than the
"MAX" level line to allow room
, for expansion when the brake fluid gets hot. Technician B says that the brake
system should be checked for
28.leaks or worn disc brake pads if the brake fluid is low. Which technician is
correct? - ANSWER Both
29. Technician A says a pull to the right during braking could be caused by a
defective metering valve.
Technician B says a pull to the left could be caused by a defective proportioning
valve. Which technician is
correct? - ANSWER Neither
30. The rear brakes lock up during a regular brake application. Technician A says
the metering valve could be the
cause. Technician B says that stuck front disc brake calipers could be the cause.
Which technician is correct? - ANSWER Tech B
31.The rear wheels lock up during hard braking. Technician A says that a
defective metering valve could be the
cause. Technician B says that a defective proportioning valve could be the cause.
Which technician is
correct? - ANSWER Tech B
32. A combination valve could include__________________. - ANSWER
Metering and proportioning valves
Proportioning and pressure-differential valves
Proportioning, metering, and pressure-differential valves
Any of the above depending on the make and model of the vehicle
33. Which one of these sends an electrical signal to the antilock brake control
module? - ANSWER Brake pedal position sensor
34.Technician A says that the red brake warning light can be turned on if a
difference in pressure is detected by
the pressure-differential switch. Technician B says that the red brake warning light
can be turned on if the
brake fluid level sensor detected low brake fluid level. Which technician is correct?
- ANSWER Both
with comprehensive Questions With
sure answers 100%
1.The amount of asbestos in brake friction material is being restricted
because______. - ANSWER It is a health hazzard
2. What type of binder is used in all brake friction materials? - ANSWER Phenolic
resin
3. An edge code reading for coefficient of friction is EF. This means______. -
ANSWER The coefficient of friction is higher when the brakes are hot
4. Brake pads and linings that use synthetic material such as aramid fibers instead
of steel are usually referred to as_____________. - ANSWER NAS
4. What can the driver do to reduce the possibility of brake fade caused by heat? -
ANSWER Select lower transmission gear
5.Brake fade can occur due to_______. - ANSWER Mechanical Fade
Gas Fade
Water Fade
6, Why is copper being reduced in brake friction materials? - ANSWER It can
effect life in rivers and streams
7. The lowest level of copper in brake friction material is shown on the leaf mark
as________. - ANSWER Three leafs
8. Disc brake pads can reach temperatures as high as _________. - ANSWER
1,800 F
9. Two technicians are discussing master cylinders. Technician A says that it is
normal to see fluid movement in
the reservoir when the brake pedal is depressed. Technician B says a defective
master cylinder can cause the
,brake pedal to slowly sink to the floor when depressed. Which technician is
correct? - ANSWER Both
10.If the brake pedal linkage is not adjusted correctly, brake fluid may not be able
to expand back into the
reservoir through the ________________ port of the master cylinder when the
brakes get hot. - ANSWER Vent port (Forward hole)
11. The primary brake circuit fails due to a leak in the lines, leaving the rear
section of a dual split master
cylinder. Technician A says that the driver will notice a lower than normal brake
pedal and some reduced
braking power. Technician B says that the brake pedal will "grab" higher than
normal. Which technician is
correct? - ANSWER Tech A
12. Two technicians are discussing a problem where the brake pedal travels too far
before the vehicle starts to
slow. Technician A says that the brakes may be out of adjustment. Technician B
says that one circuit from
the master cylinder may be leaking or defective. Which technician is correct? -
ANSWER Both
13. Air in the lines will cause what type of problem? - ANSWER Low spongy
brake pedal
14. The master cylinder is able to move about how much brake fluid during each
brake application? - ANSWER One teaspoon
15.Disc brakes use replaceable friction material called __________. - ANSWER
Pads
16. Drum brakes use replaceable friction material called ________. - ANSWER
Shoes
17. Technician A says that a power-assisted brake reduces stopping distances
compared with a non-power-assisted brake system. Technician B says that the
power-assisted brake system reduces the force that the driver must exert on the
brake pedal. Which technician is correct? - ANSWER Tech B
,18. What is the color of the antilock brake system (ABS) warning lamp? -
ANSWER Amber
19. If a vehicle is equipped with antilock brakes, this means that __________ . -
ANSWER The vehicle will be able to be steered during hard braking
20. The FMVSS 135 standards determine ____________. - ANSWER The
performance of the braking system
21. An owner of a vehicle equipped with ABS brakes complained that whenever he
tried to stop on icy or slippery roads, the brake pedal would pulse up and down
rapidly. Technician A says that this is normal for many ABS units. Technician B
says that the ABS unit is malfunctioning. Which technician is correct? - ANSWER
Tech A
21. Electric adjustable pedals operate___. - ANSWER Both accelerator and brake
pedal
22. All of the following are specified by the FMVSS 135 except
________________. - ANSWER Brake noise level
23. What is the purpose of any brake repair? - ANSWER Restore new-like
performance
24. Which Greek letter is used to represent the coefficient of friction? - ANSWER
Mu (μ)
25. Brake fluid pressure is measured in what unit? - ANSWER PSI
26. How much brake fluid is in a typical master cylinder reservoir? - ANSWER
Enough to allow all brakes to be completely worn
What part in the master cylinder helps keep air from contacting the brake fluid yet
allows the fluid level to drop
as the disc brakes wear? - ANSWER Rubber diaphragm or floating disc
27. Technician A says that the brake fluid level should not be filled higher than the
"MAX" level line to allow room
, for expansion when the brake fluid gets hot. Technician B says that the brake
system should be checked for
28.leaks or worn disc brake pads if the brake fluid is low. Which technician is
correct? - ANSWER Both
29. Technician A says a pull to the right during braking could be caused by a
defective metering valve.
Technician B says a pull to the left could be caused by a defective proportioning
valve. Which technician is
correct? - ANSWER Neither
30. The rear brakes lock up during a regular brake application. Technician A says
the metering valve could be the
cause. Technician B says that stuck front disc brake calipers could be the cause.
Which technician is correct? - ANSWER Tech B
31.The rear wheels lock up during hard braking. Technician A says that a
defective metering valve could be the
cause. Technician B says that a defective proportioning valve could be the cause.
Which technician is
correct? - ANSWER Tech B
32. A combination valve could include__________________. - ANSWER
Metering and proportioning valves
Proportioning and pressure-differential valves
Proportioning, metering, and pressure-differential valves
Any of the above depending on the make and model of the vehicle
33. Which one of these sends an electrical signal to the antilock brake control
module? - ANSWER Brake pedal position sensor
34.Technician A says that the red brake warning light can be turned on if a
difference in pressure is detected by
the pressure-differential switch. Technician B says that the red brake warning light
can be turned on if the
brake fluid level sensor detected low brake fluid level. Which technician is correct?
- ANSWER Both
