The push-button station enclosure containing the contacts is usually made of molded plastic or ____.

a. integrated metal
b. sheet metal
c. heavy metal
d. precious metal


b. sheet metal

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Many local jurisdictions recommend that site plans be reproduced on an ____ sheet.

A. 8 1/2" x 11" B. 8 1/2" x 14" C. 15" x 22" D. 34" x 44"

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Las líneas en los dibujos que se utilizan para indicar un área que ha sido cortada y mostrada en una vista de sección se llaman líneas _____.

a. de extensión b. de quiebre c. fantasmas d. de plano de corte

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Why should you bend one end of a filler rod to form a loop?

What will be an ideal response?

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A small industrial contractor purchased a ware­house building for storing equipment and materi­als that are not immediately needed at construction job sites. The cost of the building was $100,000 and the contractor has just made an agreement with the seller to finance the purchase over a 5-year period. The agreement states that monthly pay­ments will be made based on a 30-year repayment schedule of interest on the unrecovered balance of the principal; however, the total remaining balance of principal and interest at the end of year 5 must be paid in a lump-sum “balloon” payment. What is the size of the balloon payment, if the interest rate on the loan is 0.5% per month?

What will be an ideal response?

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