What do the scratch awl, scriber, files, soapstone, dividers, and center punches all have in common?
What will be an ideal response?
The scratch awl, scriber, files, soapstone, dividers, and center punches are all used to mark metals.
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Tracking a set of drawings from the design through to the project planning phase ensures that the documents are all of the following except _____.
a. online b. correct c. current d. accessible
In a study to compare two different corrosion inhibitors, specimens of stainless steel were immersed for four hours in a solution containing sulfuric acid and a corrosion inhibitor. Forty-seven specimens in the presence of inhibitor A had a mean weight loss of 242 mg and a standard deviation of 20 mg, and 42 specimens in the presence of inhibitor B had a mean weight loss of 220 mg and a standard deviation of 31 mg. Find a 95% confidence interval for the difference in mean weight loss between the two inhibitors.
What will be an ideal response?
Which of the following are not public good issues related to agriculture?
a. Farmers' decisions to sell farmland for development. b. A Forest Service decision to allow cattle to graze on public lands. c. A farmer's decision to drain a pothole on his/her land. d. a and c above. e. None of the above.
Which of the following statements refers to the feedback rule or signal flow?
A) The sealing instruction is an example of this type signal flow. B) Test the midpoint block output between the brackets, depending on the test results one of the brackets moves to the middle. C) If all convergent inputs are required to produce a valid output, then a valid output indicates that all input paths are fault-free. D) Assume that brackets enclose the power supply that provides power to three other blocks in the diagram. If power is delivered to one of the system blocks, then the power supply is not the problem.