Refer to Exercise 5.
a. Assume g=9.80 
exactly, and that L=0.855 ± 0.005 m. Estimate T, and find the relative uncertainty in the estimate.
b. Assume L=0.855 m exactly, and that T=1.856 ± 0.005 s. Estimate g, and find the relative uncertainty in the estimate.
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When steel structures first appeared, they were called
A) steel skeleton. B) skeleton frame. C) skeleton cage. D) all of the above. E) none of the above.
The abbreviation CMU stands for _____.
a. concrete masonry unit b. compact masonry unit c. concrete modular unit d. condensed mortar unit
It is possible that your hand would suffer frostbite if it comes in contact with liquid R-22 when accidentally releasing refrigerant into the atmosphere (an illegal procedure).
Answer the following statement true (T) or false (F)
Broilers are ready for market when they reach about _____
a. 2–3 pounds c. 6–8 pounds b. 3–5 pounds d. 9 pounds