The installation of lightning protection systems for structures in the open should be guided by the requirements of Master Label Service, which is endorsed by ____.

A. UL
B. MET
C. NSF
D. TUV


Answer: A

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Accumulators are designed to _____

a. cool hydraulic fluid b. clean hydraulic fluid c. prevent pressure buildup in the system d. store fluid under pressure until the system needs it

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Many small mammals and birds obtain water from _____

a. food they consume b. standing water c. running water d. streams

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A land development company is considering the purchase of earth-moving equipment. This equipment will have an estimated first cost of $190,000, a salvage value of $70,000, a life of 10 years, a maintenance cost of $40,000 per year, and an operating cost of $260 per day. Alternatively, the company can rent the neces­sary equipment for $1100 per day and hire a driver at $180 per day. (a) If the company’s MARR is 10% per year, how many days per year must the company need the equipment in order to justify its purchase? (b) When approached to rent for the breakeven number of days, the equipment owner indicated that the minimum rental is for 100 days per year; however, he might consider a lower daily rental cost. What is the daily rental cost to justify renting over pur­chasing? If the

equipment was purchased, as­sume it would be used for the breakeven number of days. Use the Goal Seek or Solver tool to de­termine the required rental cost per day. What will be an ideal response?

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Typically, bridles and halters have straps that run under the horse’s:

a. crest c. hindquarters b. throatlatch d. poll

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