Air continuously leaks from the exhaust port of a tractor relay valve when the park brakes are released. What should be done?
A. repair the exhaust valve
B. replace the relay valve
C. check the related spring brake chambers for hold-off pressure back-flow
D. replace the park/emergency quick-release valve
Answer: C
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? Identify and state the historical significance of David G. Farragut.
What will be an ideal response?
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A(n) ____________ is a wire-wound or thin-film device that uses the PTC characteristic of metals to measure temperature.
What will be an ideal response?
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In the accompanying figure, the item identified as number 1 is a thin, dark line that would probably be drawn with a ____ mm lead pencil.
A. 0.3 B. 0.5 C. 0.7 D. 0.9
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