Briefly distinguish between a head called a stock replacement and a bolt-on head.

What will be an ideal response?


When a head is called a stock replacement, it will be able to be fit with all of its original parts. A bolt-on head will have the head bolt holes located in the same locations as the OE head, but do not always expect other pieces to fit.

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How is sex determined in rats and mice?

What will be an ideal response?

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A quality engineer samples 100 steel rods made on mill A and 150 rods made on mill B. Of the rods from mill A, 88 meet specifications, and of the rods from mill B, 135 meet specifications.

a. Estimate the proportion of rods from mill A that meet specifications, and find the uncertainty in the estimate. b. Estimate the proportion of rods from mill B that meet specifications, and find the uncertainty in the estimate. c. Estimate the difference between the proportions, and find the uncertainty in the estimate.

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On a domestic refrigerator that is equipped with an evaporator fan and a fresh food light, the door switch that would turn the light on and the fan off when the door is opened is called a ____.

A. single pole single throw switch B. single pole double throw switch C. double pole single throw switch D. double throw double throw switch

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Wind erosion accounts for about what percent of the total soil erosion losses in the United States?

A) 20% B) 5% C) 75% D) 35% E) 10%

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