Technician A says that a wide-band oxygen sensor, also called a lean air-fuel (LAF), can detect air-fuel ratios from as rich as 10:1 to as lean as 23:1. Technician B says that the oxygen sensor signal determines fuel trim which is used to tailor the air-fuel mixture for the catalytic converter. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician


C

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A certification offered by the Business Continuity Institute is called ____.

A. BCI Certification Fellowship B. Master Business Continuity Professional C. BCI Professional Recognition Program D. Certified Business Continuity Professional

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

The size of a drill is determined by the capacity of the chuck.

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Magnetism can only be produced by the earth's core.

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

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The enzyme that is used to make cheese is _____

a. BST c. rennet b. colostrum d. roquefort

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