Praview File Edit View Go Tools Window Help blackboa Test Information Descriptio

Question

Praview File Edit View Go Tools Window Help blackboa Test Information DescriptionThe is the second quiz on the material presented in Topic 04 and Topio 06. Instructions Answer the following question by selecting the correct answer and submit by the due date. Multiple Attempts Not allowed. This teat can only be taken once Force Completion Once started, this teot must be completed in one siting. Do not lnave the test before clicking Save and Subm This test does not allow backtracking. Changes to the answer after submission are prohibited. v Question Completion Status: Moving to the next question prevents changes to this answer Question 1 What would go wrong if you put a lower octane-rated fuel in your car than the manufacturer recommends? O A. Nothing. It will run fine? 0B.It may "knock. C. It may "back-firo." OD,The car might catch on fire. Moving to the next question prevents changes to this answer

Explanation / Answer

Correct answer is B.

Reason:-

Using a lower octane fuel than required can cause the engine to run poorly and can damage the engine and emissions control system over time. In older vehicles, the engine can make an audible "knocking" or "pinging" sound. Many newer vehicles can adjust the spark timing to reduce knock, but engine power and fuel economy will still suffer.

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