_____ is formed by calcining pieces of limestone under controlled heat.
A. Slaked lime
B. Quicklime
C. Hydrated lime
D. Hydraulic lime
Answer: B
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Which of the following have voltage and amperage ratings that should always be checked?
a. manually operated switch b. system operated switch c. neither a nor b d. both a and b
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What type of speaker cone is typically less than 2” in diameter and more often resemble a flat diaphragm rather than a cone?
A. Woofer B. Mid-range C. Horn D. Tweeter
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The accompanying figure shows the elements of a roof. What is feature 5?
A. Roof covering B. Underlayment C. Collar tie D. Rafter
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According to the text, which of the following levels is commonly used to set grade stakes when placing a concrete slab?
A) Transit-levels B) Carpenter's level C) Laser level D) Builder's level
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