When an engine oil analysis profile taken on a high mileage engine indicates higher than normal levels of copper, which of the following components would more likely be at fault?

A. oil cooler
B. main bearings
C. valve seats
D. fire rings


Answer: B

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Materials Requirement Planning is valuable to managers because:

a. it is easily learned by all members of an organization. b. it can handle different lead times effectively. c. it does not require the use of a computer. d. All of these are reasons why MRP is valuable. e. None of these are reasons why MRP is valuable.

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An RC low-pass filter attenuates the output the most at

A. medium frequencies B. high frequencies C. no frequencies (there is no attentuation whatsoever at any frequency) D. low frequencies

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Key species

What will be an ideal response?

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Most manufacturers of vehicles equipped with diesel engines allow what type of biodiesel?

A) B100 B) B80 C) B5 D) B20

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