The chemical composition of a gypsum molecule is calcium sulfate dihydrate. What does "dihydrate" mean?
What will be an ideal response?
The chemical composition of a gypsum molecule is calcium sulfate dihydrate. What does "dihydrate" mean?
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What is the significance of the H and X terminals in a transformer?
What will be an ideal response?
For gamma ray inspection one must have access to both sides of the weldment
Indicate whether the statement is true or false
When necessary, auxiliary views can be found on a sheet other than where the viewing plane lines appear. The method for doing this is called cross-reference zoning and is used to indicate the location of a view back to the viewing location on a previous page. The auxiliary view is located on a different page and is labeled with the sheet number and zone of the cross-reference viewing plane.
Answer the following statement true (T) or false (F)
Although interstate routes are considered the safest highways, drivers must be aware that they can sometimes be
A. poorly constructed B. snarled by traffic congestion C. longer than other routes D. all of the above