With the advent of mechanical milling equipment in the early ____, small-dimensional lumber became widely available, and stick-frame methods began to emerge.
A. 18th century
B. 19th century
C. 20th century
D. 1940s
Answer: B
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The maximum pull that should be exerted on cables being pulled in tray when using a basket grip is _____.
a. 500 pounds b. 750 pounds c. 1,000 pounds d. 1,200 pounds
Three designs have been proposed to improve traffic flow at a major intersection in a heavily traveled suburban area. The first alternative involves improved traffic signaling. The second alternative includes traffic-signal improvements and intersection widening for exclusive left turns. The third alternative includes extensive reconstruction, including a grade separation structure. The construction costs, as well as annual maintenance and user costs, are listed in the following table for each alternative. Determine which alternative is preferred based on economic criteria if the analysis period is 20 years and the annual interest rate is 15%. Show that the result is the same using the present worth, equivalent annual cost, benefit– cost ratio, and rate-of-return methods.
What will be an ideal response?
Preparing the site means clearing any brush or trees that are not to be part of the finished landscape.
Answer the following statement true (T) or false (F)
When the electric motor is acting as a generator it produces alternating current (AC). This current is converted to direct current (DC) by use of ________
A) Special AC batteries B) Large capacity filters C) Large diodes D) None of these