Which would raise a compressor’s compression ratio more?

a. Lowering the suction pressure 10 psig below its design conditions.
b. Raising the head pressure 50 psig highest design conditions.


a. Lowering the suction pressure 10 psig below its design conditions.

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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

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__________________ tools do not require a grounding connection.

A. Isolated ground B. Double-insulated C. GFCI protected D. Double-grounded

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Discuss hazards associated with brake (asbestos) dust.

What will be an ideal response?

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