Explain how a power valve works and what affect it has on engine power.

What will be an ideal response?


A power valve works by opening and closing valve near the exhaust port. Most power valves move shafts in and out to change the height of the exhaust port. By varying exhaust system volume and port height the useable power of the engine can be greatly extended.

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Thicker plastics (over 6 mm) require ____ teeth per centimeter when cutting (sawing). ?

A. ?greater than 12  B. ?at least 45 C. ?more D. ?fewer

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The specified vehicle lift points can be found in shop service information system or manual.

Answer the following statement true (T) or false (F)

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A fully charged 12-volt battery should indicate ________

A) 12.6 volts or higher B) A specific gravity of 1.265 or higher C) 12 volts D) Both A and B

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ASE-Style Multiple Choice ____ certification is a testing program to help prove that you are a knowledgeable auto body technician.

A. IEEE B. SCRS C. ASE D. ASA

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