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20 questions from the cdl hours of service and trip planning practice test.
10 questions, graded as you go, with the reason for every answer. No sign-up.
A truck averages 6.5 miles per gallon. How many gallons of fuel will a 585-mile trip use?
Answer in gallons.
90 gallons
Fuel = distance / mpg. 585 / 6.5 = 90 gallons.
Reference: ELDT theory curriculum, Trip Planning (49 CFR Part 380, Appendix A)
A 1,040-mile trip is run at 6.5 miles per gallon with diesel at $3.85 per gallon. What is the fuel cost for the trip?
Answer in dollars.
616 dollars
Gallons: 1,040 / 6.5 = 160. Cost: 160 x 3.85 = $616.
Reference: ELDT theory curriculum, Trip Planning (49 CFR Part 380, Appendix A)
A driver starts with 150 gallons of fuel, averages 6 miles per gallon and wants to keep a 25% reserve in the tanks. How far can she drive before refueling?
Answer in miles.
675 miles
Fuel she is willing to burn: 150 x 0.75 = 112.5 gallons. 112.5 x 6 = 675 miles.
Reference: ELDT theory curriculum, Trip Planning (49 CFR Part 380, Appendix A)