How does an ESAL differ from a truck factor?

What will be an ideal response?


A truck factor is defined as the number of 18,000 lb single load
applications caused by a single passage of a vehicle. The ESAL, equivalent single
axle load, is the number of repetitions of an 18,000 lb single-axle load applied to
the pavement on two sets of dual tires.

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While discussing EVAP valves, Technician A says the evaporative emissions system has to be able to detect a leak as small as 0.010" in size. Technician B says that the monitor for the EVAP system works by closing the vacuum and vent valves and watching to see if the tank pressure drops. Who is correct?

A. Technician A B. Technician B C. Both A and B D. Neither A nor B

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What is the order of phases in which prenatal development occurs?

a. Fetal, embryonic, and ovum c. Ovum, embryonic, and fetal b. Embryonic, fetal, and ovum d. Ovum, fetal, and embryonic

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Compare LED lights to fluorescent lights for growing plants in terms of cost of operation, heat production, and length of bulb life

What will be an ideal response?

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The crest factor of a waveform is

A) the ratio of its rms value to its peak value B) the value of the highest induced voltage spike C) the value of the highest induced current spike D) the ratio of its peak value to its rms value

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