A cracked exhaust pipe before the upstream HO2S can cause all of the following except:

A. A lean HO2S signal
B. A rich air-fuel ratio
C. O2 sensor heater failure
D. Poor fuel economy


Answer: C

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The exam scores of 50 students in a class follow:

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Prior to 1994, the term ____________________ was all that was required on the labels of jelly jars

Fill in the blank(s) with correct word

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A machine purchased 1 year ago for $85,000 costs more to operate than anticipated. When purchased, the machine was expected to be used for 10 years with annual maintenance costs of $22,000 and a $10,000 salvage value. However, last year, it cost the company $35,000 to maintain it, and these costs are expected to escalate to $36,500 this year and in­crease by $1500 each year thereafter. The market value is now estimated to be $85,000 ? $10,000k, where k is the number of years since the machine was purchased. It is now estimated that this machine will be useful for a maximum of 5 more years. A replacement study is to be performed now. Deter­mine the values of P, n, AOC, and S of this defender.

What will be an ideal response?

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All of these alternator components should be electrically tested, EXCEPT ________

A) End Frame B) Diodes C) Rotor D) Stator

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