Tractor and straight truck spring brakes will come fully on when the air pressure drops to a range of

Air brake


20 to 45 PSI

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?The ________ current of the spray mode produces good penetration and fusion, and the ____ current allows the weld pool to cool.

A. ?DCEN, DCEP B. ?DCEP, DCEN C. ?AC DCEP D. ?high, low

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A clutch kit for a Ford is priced at $333.75.  If you buy it online, you get a discount of 8%. What is the discounted price?

Fill in the blank(s) with the appropriate word(s).

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The specific gravity of diesel fuel is measured in what units?

A) Grade number B) Hydrometer units C) Cetane number D) API gravity

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What is the main difference between a heat pump and a fossil fuel furnace?

A) Heat pumps are easier to install. B) Fossil fuel furnaces are hotter. C) Heat pumps move heat instead of creating it. D) Fossil fuel furnaces have been around longer.

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