How can the water flow through a geothermal system be determined?

A) by comparing the waterflow to the refrigerant pressure chart
B) by measuring the pressure drop across the coaxial coil and comparing it to the manufacturer's chart
C) by reading the display on the heat pump touchscreen control
D) by using an clamp on water flow meter


B

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The standardized Gaussian PRNG produces Gi and the PRNG value Yi is uniformly distributed over [0, 1). If Gi and Yi are independent, what is the mean and variance of Zi =2Gi + 4Yi – 1

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A firestopping material that expands when heated is classified as _____.

a. endothermic b. endoscopic c. intumescent d. ablative

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A computer is often used to analyze the test results and recommend ________ rates

A) salilnity B) fertilizer C) ?watering D) irrigation

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Three alternatives are being evaluated based on six different attributes, all of which are considered of equal importance. (a) Determine the weight to as­sign to each attribute. (b) Write the equation used to calculate the weighted attribute measure Rj for each alternative.

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