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8: For many decades, _________ was the standard brake lining material, but has been replaced by new materials such as composite/organic, ceramics and carbon fiber due to the health hazards associated with breathing its dust.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 Introduces 200 New Numbers

The release provides new coverage in 60 distinct product categories and 75 part numbers for 2023 and 2024 model-year vehicles.

Standard Motor Products, Inc. (SMP) announced it released 200 new part numbers in its May new number announcement. This most recent release provides new coverage in 60 distinct product categories and 75 part numbers for 2023 and 2024 model-year vehicles, according to SMP.

As vehicle technology evolves, Advanced Driver Assistance Systems (ADAS) become more complex to keep vehicle occupants safe. New releases include 18 new Park Assist Cameras, adding coverage for more than 9 million import and domestic vehicles, as well as Park Assist Sensors for Ford, Kia and Nissan vehicles. Seven ABS Speed Sensors have been added covering many popular vehicles, including 2019 Chevrolet and GMC 1500 trucks, the 2024-20 Cadillac CT4 and the 2023-19 Nissan Titan XD. Electronic Parking Brake Actuators are new for the 2023-19 RAM 1500 and Ford vehicles like the 2021-20 Escape and 2023-21 Mustang Mach-E. Accelerator Pedal Sensors are newly released for the 2023-22 Hyundai Tucson and 2023 Kia Sportage.

CRP Industries Announces New VP of Finance

Luis Vargas will provide CRP with financial leadership, planning and analysis.

ASE Spring Testing is Underway

Those who register by June 30 will have 90 days to schedule an appointment to take their selected ASE tests.

Advance Auto Parts Celebrates ‘National Road Trip Day’

Advance’s “Check Your Battery, Not Your Bag” campaign offers free gift cards for road trip essentials and curbside services, beginning National Road Trip Day – Friday, May 24.

Lumileds to Sell Lamps/Accessories Business to First Brands

Lumileds’ automotive lamps factories in China, Germany and Poland are included in the acquisition.

Other Posts

Hunter Engineering Releases New Alignment Coverage

The semi-annual specification update includes new and existing records.

FCS Introduces 42 New Numbers in May

Complete strut assemblies, shock absorbers, shock absorber assembly kits and suspension struts for popular VIO applications are included.

NHTSA Issues New Standard for Automatic Emergency Braking

The rule makes AEB standard on all passenger cars and light trucks weighing up to 10,000 lbs. by September 2029.

MEYLE Expands Electronics, Sensor Product Portfolio

The focus is on assistance systems and engine and transmission management, with more than 300 new part numbers.