TT October Pop Quiz: Friction -

TT October Pop Quiz: Friction

This month, we’re testing friction knowledge. Students should choose the answer that best completes the following statements.

TT October Pop Quiz: Friction
This month, we’re testing friction knowledge. Students should choose the answer that best completes the following statements.

1. Every time the brakes are applied, the pads rub against the ______ or drums and wear just a bit.
A: actuator
B: brake line
C: caliper
D: rotors

2. Because ______ and stability control systems are calibrated to the friction characteristics of the OEM brake linings, aftermarket replacement linings should closely match the friction characteristics of the OEM linings.
A: ABS
B: hydraulic
C: anti-roll
D: nonservo

3. All OEM brake linings must meet government safety standards. The _______________  require vehicles to stop within a certain distance.
A: Motorist Assurance Program (MAP
B: Automotive Service Excellence (ASE)
C: Occupational Safety & Health Administration (OSHA)
D: Department of Transportation (DOT)

4. Most premium pads incorporate features such as chamfers, slots and built-in shims to dampen ___________ which is the cause of noise.
A: pulsation
B: vibration
C: slippage
D: dust

5. Chamfers and slots change the ____________ on the surface of the pads and the frequency at which they vibrate to reduce noise.
A: diameter
B: loading
C: weight
D: airflow

6. Some premium pads are also ____________ to eliminate many of the problems that can occur if the pads are not properly burnished in.
A: pre-varnished
B: pre-barnished
C: pre-pressed
D: pre-dusted

7. The friction materials used on brake pads and shoes are called brake _________ .
A: linings
B: coatings
C: contacts
D: surfacers

8: For many decades, _________ was the standard brake lining material, but has been replaced by new materials such as composite/organic, ceramics and carbon fiber due to the health hazards associated with breathing its dust.
A: asbestos
B: fiberglass
C: sand
D: quartz


For the answers, please scroll down.

 

 

 

 

 

 

 

 

 

 

 

 

 

Answers are in bold

1. Every time the brakes are applied, the pads rub against the rotors or drums and wear just a bit.
A: actuator
B: brake line
C: caliper
D: rotors

2. Because ABS and stability control systems are calibrated to the friction characteristics of the OEM brake linings, aftermarket replacement linings should closely match the friction characteristics of the OEM linings.
A: ABS
B: hydraulic
C: anti-roll
D: nonservo

3. All OEM brake linings must meet government safety standards. The Department of Transportation standards require vehicles to stop within a certain distance.
A: Motorist Assurance Program (MAP
B: Automotive Service Excellence (ASE)
C: Occupational Safety & Health Administration (OSHA)
D: Department of Transportation (DOT)

4. Most premium pads incorporate features such as chamfers, slots and built-in shims to control noise and vibration.
A: pulsation
B: vibration
C: slippage
D: dust

5. Chamfers and slots change the loading on the surface of the pads and the frequency at which they vibrate to reduce noise.
A: diameter
B: loading
C: weight
D: airflow

6. Some premium pads are also “pre-burnished” to eliminate many of the problems that can occur if the pads are not properly broken in.
A: pre-varnished
B: pre-barnished
C: pre-pressed
D: pre-dusted

7. The friction materials used on brake pads and shoes are called brake linings.
A: linings
B: coatings
C: contacts
D: surfacers

8: For many decades, asbestos was the standard brake lining material, but has been replaced by new materials such as composite/organic, ceramics and carbon fiber due to the health hazards associated with breathing its dust.
A: asbestos
B: fiberglass
C: sand
D: quartz

You May Also Like

Standard Motor Products Launches 365 New Numbers

The new release includes parts for import and domestic vehicles with gasoline, hybrid, and electric powertrains.

Standard Motor Products (SMP) has introduced 365 new part numbers in its October new number announcement (NNA). Included in the release is new coverage for more than 107 product categories, and 110 part numbers for 2021 and 2022 model-year vehicles.

SMP says its commitment to providing replacement parts for hybrid and electric vehicles through its Standard and Four Seasons brands is evident in this release. The October NNA added new part numbers for the 2021 Mustang Mach-E, 2017-’11 Nissan Leaf, 2022-’10 Toyota Prius and more. The addition of more than 130 new Sensors, Switches, Actuators and Connectors also expands Standard’s powertrain-neutral coverage.

WIN Launches 2023 Sponsorship Program

WIN says the campaign is vital to its mission to attract, retain and advance women in collision repair industry.

Autoshop Solutions Supports Techforce Champion Campaign

Autoshop Solutions’ customers and friends are receiving a special offer to be come a TechForce Champion.

Women in Auto Care Scholarship Program Makes $1M Milestone

This was another record year for the program, distributing 96 awards worth $300,000 in both cash scholarships and starter tool sets.

Wyotech Works On Drawing Women To The Trades

Three WyoTech students were recipients of the JCF scholarship, which empowers young women to pursue careers in trades.

Other Posts

Bosch Releases 133 Automotive Aftermarket Parts YTD 2022

Bosch says these new products cover more than 34 million vehicles in operation across North America.

Standard Motor Products Grows Ignition Coil Program

Additions to the program include more than 800 coils providing 99% coverage for import and domestic vehicles.

ASE Summer Testing Period Registration Ends Sept. 30

Those service professionals who register will have 90 days to schedule an appointment to take the selected ASE tests.

ALI Expands Safety Manual and Offers New Digital Option

Updated manual includes new information, photos and illustrations in a user-friendly format.