The number/letter designator for fillet welding on plate in the flat position is _____

a. 3F
b. 1G
c. 3G
d. 1F


d

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Speed data collected on an urban roadway yielded a standard deviation in speeds of ±5.6 mi/h. (a) If an engineer wishes to estimate the average speed on the roadway at a 95% confidence level so that the estimate is within ±2 mi/h of the true average, how many spot speed observations should be collected? (b) If the estimate of the average must be within ±1 mi/h, what should the sample size be?

What will be an ideal response?

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The black Asian lady beetle is a predator of the euonymus scale in that the beetle’s larvae feed on the

scale.

Indicate whether the statement is true or false.

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A carcass is divided into fore and hind quarters by cutting between the ____________________ and ____________________ ribs

Fill in the blank(s) with correct word

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The two methods of striking an arc are tapping and _____

a. rapping b. clicking c. sliding d. scratching

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