A common unit of illumination intensity is called a footcandle and is equal to
a. the amount of light one foot away from a candle.
b. the amount of light from a one-foot long candle.
c. one lumen distributed over an area of 1-square-foot.
d. none of the above
c. one lumen distributed over an area of 1-square-foot.
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In a tilt-up wall building, the wall panels are precast at site. Explain the type of formwork used for casting of the walls.
What will be an ideal response?
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A. 1,000 B. 10,000 C. 15,000 D. 20,000
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A common grade of stainless steel that is nonmagnetic is _____
a. superferritic b. duplex c. austenitic d. martensitic
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How is a unitized vehicle constructed?
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