For hydronic heating systems, routine maintenance covers the pump and controls, piping, radiators and convectors, and the:
A) Furnace. B) Boiler. C) Fan. D) Heating coil.
B
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The bend allowance for a 90-degree bend on a 48-inch radius is _____ inches.
a. 48-3/4 b. 64-1/2 c. 75-3/8 d. 96
The smallest soil particle is _____
a. sand c. silt b. clay d. rock
In a certain university, math SAT scores for the entering freshman class averaged 650 and had a standard deviation of 100. The maximum possible score is 800. Is it possible that the scores of these freshmen are normally distributed? Explain.
What will be an ideal response?
A resident project representative may permit the use of substitute materials if:
A. he or she considers them equivalent. B. they cost the same price. C. there is a savings on the job by the substitution. D. they have been approved by the architect/engineer. E. if they are better than those originally specified.