During preheating, the pipe is heated at least _____ inches on each side of the area to be welded prior to welding.
a. 6
b. 12
c. 18
d. 24
a. 6
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You must replace the seals and all rubber parts if you switch from silicone to glycol based brake fluid.
Answer the following statement true (T) or false (F)
Trees harvested in the thinning process are LEAST likely to be used to make:
a. Fenceposts c. Plywood b. Poles d. Paper
Search the Web for information on a type of password cracking technique called a dictionary attack. Describe why this type of attack makes strong passwords critical.
What will be an ideal response?
Why are wastewater systems no longer allowed in some areas of the country?
A) Water resources are becoming increasingly scarce. B) Concerns about possible health issues of using sewage water to cool condensers. C) Solids found in waste water can clog up the condensers. D) Heating the wastewater interferes with the sewage treatment.