Which voltage do line voltage thermostats usually control?
A. 24
B. 115
C. 220
D. all of the above
E. both b and c
Answer: E
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Repeat Problem 2–15 assuming the material to be cast iron.
What will be an ideal response?
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The ____ number system is used in digital and microprocessor circuits because of its simplicity.
A. binary B. octal C. decimal D. hexadecimal
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If two identical slings are used at an angle to the load, each sling _____
a. bears 1/2 the weight of the load b. bears more than 1/2 the weight of the load c. bears 3/4 the weight of the load d. bears less than 1/2 the weight of the load
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Above grade porch and deck structures are normally framed with ____ for durability.
A. pressure treated lumber B. recycled plastic structural lumber C. thermally treated lumber D. composite structural lumber
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