Dayco's Drive Belt Training

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| By Angela.golden
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Daycos Drive Belt Training - Quiz

Thank you for taking Dayco's Drive Belt Training Program Certification Test. Your grade will be posted at the end of the test. A score of 75% or higher is required to receive your Dayco Drive Belt Training Program Certification. The link to the Drive Belt Training Manual is shown above. You may download the training material and take the test at your convenience.
Begin the test by filling in the information below:


Questions and Answers
  • 1. 

    The rubber compound used in serpentine belts has changed from neoprene® to ___________.

    • A.

      EPDM

    • B.

      Elastomer

    • C.

      EDPM

    • D.

      Urethane

    Correct Answer
    A. EPDM
    Explanation
    The rubber compound used in serpentine belts has changed from neoprene to EPDM. EPDM stands for ethylene propylene diene monomer, which is a type of synthetic rubber known for its excellent resistance to heat, ozone, and weathering. It is also highly durable and has good flexibility, making it an ideal choice for serpentine belts. The switch from neoprene to EPDM is likely due to the superior properties and performance of EPDM in automotive applications.

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  • 2. 

    Today’s rubber compounds are enabling serpentine belts to last nearly __________ miles.

    • A.

      50,000

    • B.

      75,000

    • C.

      100,000

    • D.

      150,000

    Correct Answer
    C. 100,000
    Explanation
    Rubber compounds used in serpentine belts have significantly improved over time, allowing them to last longer. Today's rubber compounds are so advanced that they can enable serpentine belts to last up to 100,000 miles. This is a testament to the durability and longevity of these belts, making them a reliable component in vehicles.

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  • 3. 

    Unlike neoprene, today’s rubber compounds are susceptible to excessive cracking.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Today's rubber compounds are not susceptible to excessive cracking, unlike neoprene.

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  • 4. 

    Early serpentine belts had up to four points of contact.  Today’s more complicated drives can have (according to the training document) more than __________ points of contact.

    • A.

      Eight

    • B.

      Ten

    • C.

      Twelve

    • D.

      Fourteen

    Correct Answer
    B. Ten
    Explanation
    The correct answer is Ten. According to the training document, today's more complicated drives can have more than ten points of contact. This suggests that modern serpentine belts have evolved to have more contact points compared to early belts, which only had up to four points of contact.

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  • 5. 

    Belt noise is a bigger complaint today than ever before.  This is because today’s rubber compounds  __________.

    • A.

      Are softer and more prone to tension decay

    • B.

      Run hotter, and prone to expansion of the ribs

    • C.

      Are stiffer and prone to slip around small pulleys

    • D.

      Are stiffer in cold weather, and less resistant to pulley misalignment

    Correct Answer
    D. Are stiffer in cold weather, and less resistant to pulley misalignment
    Explanation
    Today's rubber compounds are stiffer in cold weather, which means they are less flexible and more prone to causing belt noise. Additionally, these compounds are less resistant to pulley misalignment, further contributing to the increase in belt noise complaints.

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  • 6. 

    The primary cause of belt noise in an accessory drive system is usually the belt.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The primary cause of belt noise in an accessory drive system is not usually the belt. There can be various reasons for belt noise, such as misalignment, worn-out pulleys, or improper tension. Therefore, it is incorrect to say that the belt is the primary cause of belt noise.

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  • 7. 

    The #1 cause for belt noise is __________.

    • A.

      Misalignment

    • B.

      Worn Belts

    • C.

      Worn accessories

    Correct Answer
    A. Misalignment
    Explanation
    Misalignment is the number one cause for belt noise. When the belts are not properly aligned with the pulleys, they can slip or rub against other components, resulting in noise. This misalignment can occur due to various factors such as improper installation, worn-out tensioners, or damaged pulleys. It is important to ensure proper alignment of the belts to prevent noise and potential damage to the belts and other accessories.

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  • 8. 

    When should Belt Dressing be used?

    • A.

      Chirp

    • B.

      Squeal

    • C.

      Never

    Correct Answer
    C. Never
    Explanation
    Belt dressing should never be used because it is not a long-term solution for addressing belt noise. It may temporarily reduce chirping or squealing sounds, but it does not fix the underlying issue causing the noise. Instead, it can lead to further damage by attracting dirt and debris, causing slippage, and potentially damaging the belt and other components. It is best to identify and fix the root cause of the noise rather than relying on belt dressing.

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  • 9. 

    Misalignment is a bigger problem on a __________ belt span.

    • A.

      Short

    • B.

      Long

    Correct Answer
    A. Short
    Explanation
    Misalignment is a bigger problem on a short belt span because there is less distance for the belt to correct itself and realign. In a longer belt span, there is more room for the belt to adjust and realign, reducing the impact of misalignment.

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  • 10. 

    Which of the following IS NOT a reason why this is considered a well-designed belt drive?

    • A.

      Accessories are spaced apart

    • B.

      There is only one belt in the drive

    • C.

      There are no aggressive directional changes in the belt path

    Correct Answer
    B. There is only one belt in the drive
    Explanation
    The fact that there is only one belt in the drive is not a reason why it is considered a well-designed belt drive. A well-designed belt drive should have multiple belts, as this increases the power transmission capacity and provides redundancy in case one belt fails. Having only one belt in the drive can result in a single point of failure and reduced reliability.

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  • 11. 

    ___________ is described as a high pitched noise, typically lasting several seconds in duration that will typically increase in volume as the engine speed increases

    • A.

      Chirp

    • B.

      Squeal

    Correct Answer
    B. Squeal
    Explanation
    A high pitched noise that increases in volume with engine speed is commonly known as a squeal. This noise can be caused by various factors such as worn-out belts, loose or misaligned components, or lack of lubrication. The noise typically lasts for a few seconds and is more noticeable at higher engine speeds. Therefore, the correct answer is "Squeal."

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  • 12. 

    ___________ is described as a sharp, high-pitched, repetitive noise of short duration, usually worse at low engine speeds (idle).

    • A.

      Chirp

    • B.

      Squeal

    Correct Answer
    A. Chirp
    Explanation
    A chirp is a sharp, high-pitched, repetitive noise of short duration. It is usually more noticeable at low engine speeds, such as at idle. This noise is often caused by a loose or worn-out accessory belt, such as the serpentine belt, that is slipping or vibrating against the pulleys. The chirping sound can also be caused by a misaligned or malfunctioning pulley or a faulty belt tensioner. Regular maintenance and inspection of the belts and pulleys can help identify and resolve the issue causing the chirping noise.

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  • 13. 

    Which of the following IS NOT a cause of “chirp”?

    • A.

      Pulley misalignment

    • B.

      Worn pulley bearings

    • C.

      Low belt tension

    • D.

      Belt ribs extremely worn

    Correct Answer
    C. Low belt tension
    Explanation
    Low belt tension is not a cause of "chirp". When the belt tension is low, it can cause slipping and squealing noises, but not a "chirp" sound. The other options, such as pulley misalignment, worn pulley bearings, and extremely worn belt ribs, can all contribute to the "chirp" sound.

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  • 14. 

    The drive is running and you spray the rib side of the belt with water; if the noise goes away, it is ___________.

    • A.

      Chirp caused by misalignment

    • B.

      Squeal caused by low belt tension

    Correct Answer
    A. Chirp caused by misalignment
    Explanation
    Spraying water on the rib side of the belt while the drive is running helps to identify the cause of the noise. If the noise goes away after spraying water, it indicates that the noise was caused by misalignment. This means that the belt was not properly aligned with the pulleys, causing it to chirp.

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  • 15. 

    The drive is running and you spray the rib side of the belt with water; if the noise gets louder, it is ___________.

    • A.

      Chirp caused by misalignment

    • B.

      Squeal caused by low belt tension

    Correct Answer
    B. Squeal caused by low belt tension
    Explanation
    If the noise gets louder when you spray water on the rib side of the belt, it indicates that the noise is a squeal caused by low belt tension. When the belt tension is low, it can slip on the pulleys, causing a high-pitched squeal. The water temporarily increases the friction between the belt and the pulleys, making the slipping more pronounced and the noise louder.

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  • 16. 

    “Check alignment of all pulleys, either with a straight edge or a laser alignment tool.”  This is a possible solution for __________.

    • A.

      Chirp caused by misalignment

    • B.

      Squeal caused by low belt tension

    Correct Answer
    A. Chirp caused by misalignment
    Explanation
    This solution suggests that if there is a chirping noise caused by misalignment, one possible way to address it is by checking the alignment of all pulleys using either a straight edge or a laser alignment tool. By ensuring that the pulleys are properly aligned, the chirping noise can potentially be eliminated.

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  • 17. 

    “Insure all accessory pulleys and brackets are tightened snug to mounting surfaces.”  This is a possible solution for __________.

    • A.

      Chirp caused by misalignment

    • B.

      Squeal caused by low belt tension

    Correct Answer
    A. Chirp caused by misalignment
    Explanation
    This solution suggests that if there is a chirping noise caused by misalignment, it is important to ensure that all accessory pulleys and brackets are tightly secured to their mounting surfaces. This will help to eliminate any misalignment issues and potentially resolve the chirping noise.

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  • 18. 

    “Inspect and replace all accessories/pulleys that are difficult to rotate (i.e. Rough/seized bearings), or show excessive wobble/free-rock.”  This is a possible solution for __________.

    • A.

      Chirp caused by misalignment

    • B.

      Squeal caused by low belt tension

    Correct Answer
    A. Chirp caused by misalignment
    Explanation
    This solution suggests that if there are accessories or pulleys that are difficult to rotate or have rough/seized bearings or excessive wobble/free-rock, they should be inspected and replaced. This is a possible solution for the chirp caused by misalignment.

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  • 19. 

    Since any existing misalignment condition will cause pre-mature wear of the belt ribs, a new belt is recommended once the accessory drive is realigned.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because any misalignment in the accessory drive will cause premature wear of the belt ribs. This means that if the drive is not properly aligned, the belt will not run smoothly and will wear out faster. Therefore, it is recommended to replace the belt with a new one once the drive is realigned to ensure optimal performance and longevity of the belt.

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  • 20. 

    Which of the following IS NOT a cause of squeal?

    • A.

      High accessory/idler pulley drag

    • B.

      Fluid contamination on the belt

    • C.

      Power steering pulley misalignment

    • D.

      Low belt tension

    Correct Answer
    C. Power steering pulley misalignment
    Explanation
    Power steering pulley misalignment is not a cause of squeal because squeal typically occurs when the belt slips or loses traction on the pulley. Misalignment of the power steering pulley may cause other issues such as difficulty in steering or noise, but it is not directly related to the squealing sound.

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  • 21. 

    Belts installed on manual tensioned applications should be properly tensioned during installation (35 lbs per rib) and then re-tensioned after 5 minutes of run-in (30 lbs per rib).  This allows the belt to __________.

    • A.

      Stretch to the proper length

    • B.

      Seat in the pulleys

    • C.

      Conform to any minor misalignments in the drive

    Correct Answer
    B. Seat in the pulleys
    Explanation
    When belts are installed on manual tensioned applications, they need to be properly tensioned during installation and then re-tensioned after 5 minutes of run-in. This process allows the belt to "seat in the pulleys." Seating in the pulleys means that the belt adjusts and settles into the correct position within the pulleys, ensuring proper alignment and engagement. This helps to prevent slipping, improve power transmission, and increase the overall efficiency of the system.

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  • 22. 

    How many degrees of misalignment will usually cause the belt to jump off the pulleys?

    • A.

      > 2.5°

    • B.

      1.0° to 1.5°

    • C.

      0° to 1.0°

    Correct Answer
    A. > 2.5°
    Explanation
    A misalignment of more than 2.5 degrees is likely to cause the belt to jump off the pulleys. This means that if the belt is not properly aligned with the pulleys and is off by more than 2.5 degrees, it will not stay in place and may come off completely. It is important to ensure proper alignment between the belt and pulleys to prevent such issues and ensure smooth operation.

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  • 23. 

    According to the training, more than ________ of all belt failures and replacements occur after the vehicle passes __________ miles. 

    • A.

      75%...50,000

    • B.

      95%...100,000

    • C.

      60%...95,000

    • D.

      80%...85,000

    Correct Answer
    D. 80%...85,000
    Explanation
    According to the training, the correct answer is 80%...85,000. This means that 80% of all belt failures and replacements occur after the vehicle passes 85,000 miles. This information suggests that the majority of belt failures and replacements happen at a higher mileage, indicating that the belts are more likely to wear out and need replacement after reaching this threshold.

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  • 24. 

    Over the past 5 years, the Automotive Aftermarket Industry Association (AAIA) published the results of their Car Care Check Lanes showing that __________ of the vehicles on the road have a worn belt that needs to be replaced. 

    • A.

      10%

    • B.

      20%

    • C.

      30%

    • D.

      40%

    Correct Answer
    B. 20%
    Explanation
    Over the past 5 years, the Automotive Aftermarket Industry Association (AAIA) published the results of their Car Care Check Lanes showing that 20% of the vehicles on the road have a worn belt that needs to be replaced. This suggests that a significant portion of vehicles have worn belts that require replacement, indicating a common issue in the automotive industry. It also implies that regular maintenance and inspection of belts are crucial to ensure the safety and proper functioning of vehicles.

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  • 25. 

    This is a profile of a worn EPDM belt.  Since the grooves have more of a “U” shape instead of the original “V” shape, __________.

    • A.

      The wider space can handle misalignment more easily

    • B.

      The extra air space lets the belt run cooler

    • C.

      There is less surface area to contact the pulley grooves, causing slippage

    Correct Answer
    C. There is less surface area to contact the pulley grooves, causing slippage
    Explanation
    The correct answer is that there is less surface area to contact the pulley grooves, causing slippage. This is because the worn EPDM belt has grooves with a "U" shape instead of the original "V" shape. The change in shape reduces the contact area between the belt and the pulley grooves, leading to slippage.

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  • 26. 

    The Dayco AWEARNESS Tool has a toothed top edge that is known as the __________.

    • A.

      Rib Profile Indicator

    • B.

      Belt Rib Scraper

    • C.

      Pulley Groove Cleaner

    Correct Answer
    A. Rib Profile Indicator
    Explanation
    The Dayco AWEARNESS Tool has a toothed top edge that is known as the Rib Profile Indicator.

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  • 27. 

    The Dayco AWEARNESS Tool here is indicating a __________ belt.

    • A.

      New

    • B.

      Worn

    Correct Answer
    B. Worn
    Explanation
    The correct answer is "Worn." The Dayco AWEARNESS Tool is used to indicate the condition of a belt. In this case, it is indicating that the belt is worn, meaning it is no longer in optimal condition and may need to be replaced.

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  • 28. 

    According to the training, if there are __________ or more cracks in the 1”-square window of the Dayco AWEARNESS Tool when placed flat on a belt, replacement is recommended.

    • A.

      Three

    • B.

      Four

    • C.

      Five

    • D.

      Six

    Correct Answer
    B. Four
    Explanation
    If there are four or more cracks in the 1" square window of the Dayco AWEARNESS Tool when placed flat on a belt, replacement is recommended. This means that if there are three or fewer cracks, the window is still considered usable. However, if there are four or more cracks, it indicates significant damage and the tool should be replaced.

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  • 29. 

    This is an example of “worn belt wear” known as __________ caused by misalignment.

    • A.

      Chunk out

    • B.

      Rib wear

    • C.

      Pilling

    • D.

      Abrasion

    Correct Answer
    B. Rib wear
    Explanation
    Rib wear is a type of belt wear that occurs due to misalignment. When a belt is misaligned, the ribs on the belt can rub against the pulley, causing them to wear down over time. This can lead to decreased belt performance and potential damage to the pulley system.

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  • 30. 

    This is an example of “worn belt wear” known as __________.

    • A.

      Chunk out

    • B.

      Rib wear

    • C.

      Abrasion

    • D.

      Cracking

    Correct Answer
    D. Cracking
    Explanation
    Cracking refers to the formation of small cracks on the surface of a belt due to wear and tear. This is a common issue with worn belts, where the material starts to deteriorate and develop cracks. These cracks can weaken the belt and eventually lead to failure if not addressed. Therefore, "cracking" is the correct answer in this case.

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  • 31. 

    This is an example of “worn belt wear” known as __________ caused by improper tension or debris in the system.

    • A.

      Chunk out

    • B.

      Rib wear

    • C.

      Pilling

    • D.

      Abrasion

    Correct Answer
    D. Abrasion
    Explanation
    Abrasion refers to the wearing down of a material due to friction or rubbing against another surface. In the context of a worn belt, abrasion can occur when there is improper tension or debris in the system. The friction between the belt and other components or particles can cause the belt to gradually wear down, leading to abrasion. Therefore, the correct answer for this question is abrasion.

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  • 32. 

    The Dayco Poly Rib “W” profile has proven to be one of the most innovative advancements in belt technology in nearly 25 years.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The Dayco Poly Rib "W" profile has been recognized as a significant advancement in belt technology for almost 25 years. This suggests that it has been widely acknowledged and successfully implemented in various industries. Therefore, the statement is true.

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  • 33. 

    Dayco “W” Profile belts have __________ fiber in the rib compound to resist noise.

    • A.

      Nylon

    • B.

      Aramid

    • C.

      Monofilament

    • D.

      Polyester

    Correct Answer
    B. Aramid
    Explanation
    Dayco "W" Profile belts have Aramid fiber in the rib compound to resist noise. Aramid fibers, such as Kevlar, are known for their high strength and resistance to wear and tear. By incorporating Aramid fiber into the rib compound of the belts, Dayco is able to reduce noise generated during operation. Aramid fibers have excellent damping properties, which help to absorb vibrations and reduce noise levels. This makes Aramid a suitable choice for applications where noise reduction is desired, such as automotive engine belts.

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  • 34. 

    The innovative “W” Profile rib design was developed by the Dayco engineering team to __________ in today’s high mileage vehicles without making noise.

    • A.

      Conform to slight misalignments

    • B.

      Compensate for worn tensioners

    • C.

      Accommodate debris in the pulley grooves

    Correct Answer
    A. Conform to slight misalignments
    Explanation
    The innovative "W" Profile rib design was developed by the Dayco engineering team to conform to slight misalignments in today's high mileage vehicles without making noise. This means that even if there is a slight misalignment in the pulley system, the "W" Profile rib design will flex and adjust to accommodate it, ensuring smooth and quiet operation.

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  • 35. 

    All Dayco Poly Rib belts are made in ___________.

    • A.

      Canada

    • B.

      USA

    • C.

      Mexico

    Correct Answer
    B. USA
    Explanation
    All Dayco Poly Rib belts are made in the USA.

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  • Current Version
  • Aug 18, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 18, 2011
    Quiz Created by
    Angela.golden
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