If a crew of masons is needed to lay 1,000 concrete blocks, and the estimator determined that two masons could complete the job in one eight-hour day, what is the estimated productivity rate for block laying?
a. 125 blocks per hour
b. 62.5 blocks per hour
c. 31.25 blocks per hour
d. 16 blocks per hour
a. 125 blocks per hour
Trades & Technology
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a. 500 b. 700 c. 900 d. 1200
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The amount of current required to keep the SCR turned on is called the ____.
a. input current b. leaking current c. output current d. holding current
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Which of the following is NOT a visions system category?
A) Lighting B) Identification C) Orientation D) Location
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Which of the following terms identifies materials whose price is set by market supply and demand?
A) standard products B) items of small value C) made-to-order items D) commodities
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