Questions and Answers
What is the cost of 10 quarts of Kirtland signature motor oil?
$24.99
Which company blends the Kirtland signature oil?
Warren Distribution
What test does the text plan to use to evaluate the resistance to thermal breakdown of the oils?
No act volatility test
Which standards do both Kirtland signature and Super Tech motor oils meet?
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What characteristic does Kirtland signature motor oil claim to provide?
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How long does the film strength test in the text last?
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What component in an internal combustion engine is used to apply power gradually and requires driver skill to prevent damage to the engine or vehicle?
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What type of motion does the oil in a fluid coupling experience due to centrifugal force and the turning of the pump?
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In a fluid coupling, what happens when the turbine overruns the pump at higher vehicle speeds?
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What is one of the requirements to keep a fluid coupling efficient?
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Why are modern vehicles using automatic fluid couplings instead of clutches according to the text?
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What is the purpose of radial vanes and guide rings in a fluid coupling?
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Study Notes
- The text discusses a comparison of Kirtland signature motor oil, sold at Costco, with Super Tech motor oil.
- Kirtland signature motor oil costs $24.99 for 10 quarts, saving $10 compared to Super Tech's price at Walmart.
- The text plans to test both oils for their performance in resisting thermal breakdown and evaporation, film strength, and cold flow.
- Kirtland signature motor oil claims advanced wear protection, control thermal breakdown, and better performance than Super Tech.
- Warren Distribution in Omaha Nebraska blends the Kirtland signature oil.
- Both oils are Dexos1-approved and meet API SN+, SM+, SL, and LL SAE 5w30 standards.
- The text plans to test the oils' resistance to thermal breakdown by heating them for 2 hours at 420 degrees Fahrenheit and measuring evaporative loss.
- The no act volatility test is used to expose the oil to extreme heat and simulate engine operating conditions.
- Both brands appear to be performing well in the evaporation test, with minimal loss.
- The text plans to test and compare the lubricity or film strength of both oils by using a test that lasts 10 minutes and measuring the size of wear scars on bearings.
- The text plans to use the Kirtland synthetic oil in a vehicle for a full oil change interval and then send it to an oil testing lab for analysis.
- Kirtland signature claims to provide superior protection, better fuel economy, cleaner engines, and excellent performance.
- Super Tech gives reduced engine wear and three stars for combustion sludge and deposits, and extreme temperature protection.
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