What produces the light emitted by a xenon headlamp?

A. tungsten filament
B. halogen filament
C. arc ignited across inert gas
D. infrared gas


Answer: C

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The color of flowers on some plants is related to the pH of the soil in which they are grown

Indicate whether the statement is true or false

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____, which looks like white powder on and around battery posts, sometimes happens when battery gas escapes up the terminal post from inside the case.

A. Corrosion B. Electrolysis C. Sulfation D. Battery holddown

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A good reading for a cylinder leakage test would be ________

A) All cylinders below 20% leakage B) All cylinders above 70% leakage and within 7% of each other C) Within 20% between cylinders D) All cylinders above 20% leakage

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On vehicles with OBD II diagnostics the catalytic converter function is monitored using ________

A) Pre and post converter oxygen sensors B) A pressure sensor C) A temperature probe D) None of these

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