As concrete hardens, the heat of hydration continues, decreasing over a period of up to _____.
a. 18 hours
b. 36 hours
c. several days
d. two weeks
Answer: C
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As a rule, gravel is used in an exposed aggregate finish.
Answer the following statement true (T) or false (F)
What are some problems that occur with holes and pins in conventional tolerancing?
What will be an ideal response?
Which of the following driving conditions should a power divider be locked out?
A. backing up to couple a trailer on a loose gravel surface B. pulling away on icy road surface C. full load standing start on wet pavement D. all of the above
An IAT is being tested. After the vehicle has been allowed to cool for several hours, a scan tool is used to observe the IAT sensor reading. When compared to the engine coolant temperature (ECT), the two temperatures should be within how many degrees F of each other?
A) 15 B) 10 C) 25 D) 5