Imagine, the water level in the tank described in Problem 9.38 rises at a rate of 0.1 in/s. Knowing the diameter of the tank is 6 in., what is the average velocity of the water leaving the tank? Express your answer in in/s, ft/s, and m/s.
What will be an ideal response?
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The forensic tool ____ does extensive pre-processing of evidence items that recovers deleted files and extracts e-mail messages.
A. EnCase B. Forensic Toolkit (FTK) C. AccessData D. Guidance
Explain the purpose of the following items and state where they are used: (a) shear block, (b) pressure plate, and (c) adapter for spandrel glass.
What will be an ideal response?
A large water utility is planning to upgrade its SCADA system for controlling well pumps, booster pumps, and disinfection equipment so that everything can be centrally controlled. Phase I will reduce labor and travel costs by $28,000 per year. Phase II will reduce costs by an additional $20,000 per year, that is, $48,000. Phase I savings should occur in years 0, 1, 2, and 3 and phase II savings should occur in years 4 through 10. Let i = 8% per year.
(a) Using a spreadsheet determine the present worth of the upgraded system for years 1 to 10. (b) The utility General Manager had hoped for a present worth of at least $400,000. Determine the interest rate at which this would be correct.
When changing the blade on a circular saw, the purpose of the small hole in the side of the blade of a power saw is to help ________
A) Line the foot (base) of the blade B) Indicate proper turn direction of the blade C) Hold the blade when the arbor nut is turned D) Hold the blade guard