The capacity of a screw conveyor that is moving dry ground corn is expressed in liters per second and the conveyor speed in revolutions per minute. The results of tests conducted on a new model conveyor are given below:



(a) Plot the data on log-log graph paper.

(b) Using the method of least squares, find the equation of the line of best fit.

(c) Draw the line on the graph.

(d) Calculate the correlation coefficient.

(e) If the angular velocity of the auger was accelerated to 1 000 r/min, how many liters of corn could be moved each second?




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Windshield washer fluid looks like blue water and is actually water mixed with ________ to prevent freezing and to help clean the windshield

A) An alcohol (methanol) additive B) Soap C) Anti-freeze D) Silica

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Which of the following is a true statement about the general principles of forecasting?

A) Forecasts are more accurate for nearer periods of time. B) Forecasts are more accurate for larger groups of items. C) Every forecast should include an estimate of error. D) All of the above are general principles of forecasting. E) None of the above is a general principle of forecasting.

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If the dry-bulb temperature is 76°F and the wet-bulb temperature is 68°F, the wet-bulb depression is ____________________°F.

Fill in the blank(s) with the appropriate word(s).

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