Which floor system?one-way joist floor or two-way joist floor?is more commonly used in contemporary concrete construction and why?
What will be an ideal response?
One -way joist floor is more common because constructing the formwork with one -way pans is much simpler (hence, more economical) than the two-way pans.
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Indicate whether the statement is true or false.To heat a metal with an open-top preheater, the object to be heated is mounted on a structure above which kind of burner?
A) Combination oil and compressed air B) Electric C) Gas D) Combination gas and compressed air
Determine the average, variance, and standard deviation for the following parts. The measured values are given in the accompanying table.
If the head is installed on the engine and you want to rotate the camshaft to a different position during belt installation, you should move the pistons partway down in their bores (about ____ degrees) in order for the valves to clear the pistons.
A. 25 B. 45 C. 90 D. 180