Why is it important to determine the fall clearance distance for an elevated work area?
What will be an ideal response?
A fall arrest system would not be effective if a person hits an object during free fall below the work area. Ensuring the proper clearance distance exists below the work area is as important as choosing the correct fall arrest system.
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The annual flows (lowest one-day flow rate within a calendar year) of two tributaries of a river are expected to be linearly related. Data for a 12-year period are shown below.
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Use a spreadsheet to do the following:
(a) Compute the best-fit line using the method of least squares. Use data for the north tributary as the independent variable.
(b) Plot the data and the prediction equation on the same graph.
(c) Compute the correlation coefficient and interpret it.
(d) If the low flow for the north tributary is 150 cfs, what would you expect the flow for the south tributary to be?
The horizontal band saw cuts faster than a power handsaw
Indicate whether the statement is true or false.
How much compressed natural gas (CNG) does it require to achieve the energy of one gallon of gasoline?
A) 130 cubic feet B) 91 cubic feet C) 105 cubic feet D) 122 cubic feet
In a column-driven electric power steering system all of the following are true EXCEPT:
a. A motor module assembly is bolted to the lower end of the steering column. b. The steering shaft torque sensor is the most important input used by the power steering control module. c. At low speeds more steering assist is provided. d. The steering system may have a 20:1 steering ratio during low-speed cornering.