A manufacturer of industrial grade gas handling equipment wants to have $500,000 in an equip­ment replacement contingency fund 10 years from now. If the company plans to deposit a uniform amount of money each year beginning now and continuing through year 10 (total of 11 deposits), what must be the size of each deposit? Assume the account grows at a rate of 10% per year.

What will be an ideal response?


A = 500,000(A/F,10%,11)
= 500,000(0.05396)
= $26,980

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Fill in the blank(s) with the appropriate word(s).

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What is the "sun-up" effect?

A) When a person's natural time clock is different from work hours B) The mental low point that occurs between 2-6am C) The mental low point that occurs between 2-6pm D) When the person wakes up when the sun rises, no matter how sleep deprived the person is

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What is the number of conductors and the wire size specified for the feeder circuit supplying rooftop unit No. 1 in the power-riser diagram in Figure 3?


a. Three No. 10 AWG
b. Four No. 2 AWG
c. Three No. 6 AWG
d. Four No. 4/0 AWG

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If an electric water heater is connected to water piping with connections that are designed so that the water heater can be quickly and easily removed, a flexible cord-and-plug connection is allowed.

a. True b. False

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