In a typical air-over-hydraulic brake system, depressing the treadle causes which of the following?
A. Hydraulic fluid flows through quick release valves
B. Air pressure forces the pistons of each wheel cylinder outward
C. An LPV redistributes air pressure to front and rear brakes
D. Air pressure is sent to the booster assemblies
D. Air pressure is sent to the booster assemblies
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The specific enthalpy lines:
A) Run horizontally from the left to the right. B) Run diagonally from right to left. C) Run vertically from top to bottom. D) Run diagonally from left to right.
Why might opening the acetylene cylinder's square stem valve three-and-a-half turns with a wrench and leaving the wrench on the valve while working create a hazardous situation?
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