Dayco's Drive Belt Training
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:
- 1.The rubber compound used in serpentine belts has changed from neoprene® to ___________.
- A.
EPDM
- B.
Elastomer
- C.
EDPM
- D.
Urethane
- 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
- 3.Unlike neoprene, today’s rubber compounds are susceptible to excessive cracking.
- A.
True
- B.
False
- 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
- 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
- 6.The primary cause of belt noise in an accessory drive system is usually the belt.
- A.
True
- B.
False
- 7.The #1 cause for belt noise is __________.
- A.
Misalignment
- B.
Worn Belts
- C.
Worn accessories
- 8.Misalignment is a bigger problem on a __________ belt span.
- A.
Short
- B.
Long
- 9.
![Which of the following IS NOT a reason why this is considered a well-designed belt drive? - ProProfs]( "Which of the following IS NOT a reason why this is considered a well-designed belt drive?")
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
- 10.___________ 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
- 11.___________ is described as a sharp, high-pitched, repetitive noise of short duration, usually worse at low engine speeds (idle).
- A.
Chirp
- B.
Squeal
- 12.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
- 13.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
- 14.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
- 15.“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
- 16.“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
- 17.“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
- 18.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
- 19.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
- 20.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
- 21.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°
- 22.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
- 23.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%
- 24.
![This is a profile of a worn EPDM belt. Since the grooves have more of a “U” shape instead of the original “V” shape, __________. - ProProfs]( "This is a profile of a worn EPDM belt. Since the grooves have more of a “U” shape instead of the original “V” shape, __________.")
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
- 25.
![The Dayco AWEARNESS Tool has a toothed top edge that is known as the __________. - ProProfs]( "The Dayco AWEARNESS Tool has a toothed top edge that is known as the __________.")
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
.PNG "Which of the following IS NOT a reason why this is considered a well-designed belt drive?")
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