How much drop is there in 500 feet at 1-1/2% grade?
Fill in the blank(s) with the appropriate word(s).
7-1/2 feet
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Lockout/tagout devices are meant to _____.
a. de-energize a faulty circuit b. ensure that equipment can't be started while it is being repaired c. notify maintenance that a tool needs to be repaired d. keep unauthorized personnel out of high-voltage hazard areas
Following are interest rates (annual percentage rates) for a 30-year fixed-rate mortgage from a sample of lenders in Colorado on May 3, 2013. Assume that the population is normally distributed.
Construct a 95% confidence interval for the population variance 
Present standards and good work habits require that recovered refrigerant be ______________
A) Sent out to be discarded at an EPA-certified facility B) Recycled C) Sent back to the manufacturer D) Kept for 90 days
Describe the approach that 802.11n (HT) takes to the implementation of the PHY layer.
What will be an ideal response?