When you use find, it is useful to note that some UNIX versions require the ____ option after the file name to display the names of files.

A. -display
B. -print
C. -show
D. -names


Answer: B

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What are the purposes of the ATF.

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The Darcy–Weisbach equation states that the power-generating capacity in a hydroelectric system that is lost due to head loss is given by P=??QH, where ? is the efficiency of the turbine, ? is the specific gravity of water,Q is the flow rate, and H is the head loss. Assume that ?=0.85 ± 0.02, H=3.71± 0.10m, Q=60± 1m3/s, and ?=9800N/ with negligible uncertainty.

a. Estimate the power loss (the units will be in watts), and find the uncertainty in the estimate. b. Find the relative uncertainty in the estimated power loss. c. Which would provide the greatest reduction in the uncertainty in P: reducing the uncertainty in ? to 0.01, reducing the uncertainty in H to 0.05, or reducing the uncertainty in Q to 0.5?

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What are the major inputs and outputs of photosynthesis?

What will be an ideal response?

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Brake hose diameter is usually specified as the ____ diameter of the hose.

A. outside B. inside C. fitting D. bend

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