The common sizes of butt markers are _____
a. 2?, 2-1/2?, and 3-1/2?
b. 2-1/2?, 3?, and 4?
c. 3?, 3-1/2?, and 4?
d. 2-1/2?, 4, and 4-1/2?
c
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A 3,250 sq ft house with 8 foot ceilings has 3 return ducts. What size must the ducts be to handle 7 exchanges per hour with a flow of 350 ft/min? Round the answer to the nearer hundredth square foot.
Fill in the blank(s) with the appropriate word(s).
Are there any insects present? If so, are they damaging insects or not? How do
you know this?
What will be an ideal response?Identify the statement that is false.
A. England took little interest in establishing its own overseas colonies in the first half of the 16th century. B. English society was disrupted by religious conflict when King Henry VIII broke with the Roman Catholic Church in the 1530s. C. The Protestant Reformation resulted in years of a seesaw of the balance of power between Catholics and Protestants throughout England. D. Spain and England were long-time and bitter enemies in the first half of the 16th century. E. When Elizabeth ascended to the English throne in 1558, the rivalry with Spain intensified.
What is the maximum reading on a typical R-22 high-pressure gauge?
A) 300 psig B) 500 psig C) 800 psig D) 120 psig