Question 827 of 276 · Alberta Class 4 Knowledge Test
When you stop for any length of time, why is it better to turn off the engine than to let it idle?
Exactly one answer is correct.
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Correct answer to question 827
- D: Ten seconds of idling uses more fuel than a restart
Explanation
Turn off your engine when you stop for any length of time, because ten seconds of idling uses more fuel than restarting. A truck engine idling at 900 rpm burns up to four litres of fuel per hour.
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