All of the following statements are true EXCEPT:

A. fumes from some types of silicone RTV sealants used on the engine can contaminate O2 sensors.
B. lead in fuel can contaminate an O2 sensor.
C. if the pores of an O2 sensor become plugged, its response time and output voltage will increase.
D. carbon buildup on an O2 sensor can be from an overly rich air-fuel mixture, engine oil consumption, or a bad turbocharger turbine seal.


Answer: C

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The Resource Conservation and Recovery Act basically states that hazardous material users are responsible for hazardous materials from the time they become waste until.

A. The material leaves the shop. B. A certified inspector determines the material is non-toxic. C. 20 years after the materials leave the shop. D. The proper waste disposal is completed.

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The use of ____________________ enables a designer to indicate clearly to the welder, important detailed information regarding the weld.

Fill in the blank(s) with the appropriate word(s).

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What is the purpose of slope in a drainage pipe system?

What will be an ideal response?

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Food and drink should not be present in blueprinting areas.

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

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