Which material is used for a drainage layer under a concrete slab-on-ground and why?
What will be an ideal response?
In order to function as capillary break, a drainage layer under a concrete slab-on-ground should provide large pore sizes?large spaces between particles. Therefore, it generally consists of a 4-in.-thick crushed stone or sand. Sand is the preferred drainage material.
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List at least six conditions, that may exist when the problem occurs, that will be of help in diagnosing a transmission problem.
What will be an ideal response?
Harriet Beecher Stowe's novel, Uncle Tom's Cabin
A. intended to show the cruelty of slavery. B. was prompted by passage of the Kansas-Nebraska Act. C. comprised the recollections of a long-time personal witness to the evils of slavery. D. received little notice at the time it was published but became widely read during the Civil War. E. portrayed blacks as militant resisters to slavery.
The amount of warpage in a type of wafer used in the manufacture of integrated circuits has mean 1.3 mm and standard deviation 0.1 mm. A random sample of 200 wafers is drawn.
a. What is the probability that the sample mean warpage exceeds 1.305 mm? b. Find the 25th percentile of the sample mean. c. How many wafers must be sampled so that the probability is 0.05 that the sample mean exceeds 1.305?
Meat grade, which certifies a carcass's class, quality, and condition, is voluntary for all meat packers.
Answer the following statement true (T) or false (F)